Low-volume and rural roads make up the largest share of transportation infrastructure in nearly every country, including the United States, and they are often vulnerable to extreme weather events and...

Open-book pricing is widely recognized as a key benefit of construction manager/general contractor (CMGC) and progressive design-build (PDB) delivery. By enabling agencies and contractors to negotiate...

As agencies seek to harness AI to enhance safety, strengthen system performance, and support data-driven decision-making, the need for reliable data and clear governance frameworks is increasingly urg...

Maintaining airfield electrical systems safely can be challenging for airport staff if they haven’t been properly trained. TRB will host a webinar on Thursday, April 9, 2026 from 2:00 PM to 3:30 PM Ea...

TRID helps researchers locate solutions to problems, avoid duplication of work, save resources, and satisfies Federal Highway Administration (FHWA) requirements to consult TRB’s TRIS Databases to iden...

Perpetual pavement adoption requires rethinking traditional asphalt pavement design. Unlike flexible pavements that are designed to fail through cracking or rutting after a certain traffic level, perp...

Agency leaders face an endless stream of decisions—large and small, expected and unexpected, long-term and highly urgent—each carrying meaningful consequences for their organizations and stakeholders....

Post Webinar Update With the release of the Second Edition of the AASHTO Highway Safety Manual anticipated in 2026, transportation practitioners face increasing expectations to clearly and defensibly...

How effective is today’s driver skills exam in identifying high-risk drivers before they drive alone? TRB hosted a webinar on Friday, February 27, 2026 from 12:00 PM to 1:30 PM Eastern that examined t...

Travel needs and the potential to provide effective public transit differ significantly in rural and tribal communities compared to more densely populated urban areas. In addition, rural and tribal co...

As government fleets continue to age and funding constraints persist, agencies are increasingly challenged to make informed, defensible decisions about asset replacement. Documenting and sharing succe...

Connected and automated vehicle (CAV) technologies are evolving rapidly, requiring state departments of transportation (DOTs) to continually adapt their programs, policies, and partnerships. TRB hoste...

Airport operators are seeing expanded use of technology across their terminal concessions programs, reflecting concessionaires’ efforts to improve efficiency, a growing customer preference for e-comme...

Are you looking for efficient and non-destructive methods for asphalt quality assurance? The Density Profiling System (DPS) offers real-time, continuous density measurements that enhance pavement perf...

Would peer-to-peer (P2P) carsharing affect your airport’s revenue, operations, safety, and facilities? TRB hosted a webinar on Wednesday, December 17, 2025 from 1:00 PM to 2:30 PM Eastern that provide...

Public transit agencies are reimagining mobility through innovation, integration, and technology to create seamless travel experiences and improve access for all users. TRB hosted a webinar on Tuesday...

Insufficient truck parking remains a top industry concern. Driver safety, productivity, and the supply chain all benefit from efficient parking information systems. TRB hosted a webinar on Monday, Dec...

Sustainable resource management and environmental law compliance at airports requires coordination across many departments. TRB hosted a webinar on Tuesday, December 9, 2025 from 2:00 PM to 3:30 PM Ea...

Wide cracks in asphalt pavements can compromise roadway performance and safety. Advances in materials, procedures, and practices are improving the effectiveness and durability of wide crack repairs. T...

Advancements in 3D model-based design are reshaping how transportation projects are reviewed, managed, and delivered. TRB hosted a webinar on Tuesday, November 25, 2025 from 12:00 PM to 1:30 PM Easter...

Balanced Mix Design (BMD) helps ensure adequate rutting and cracking performance of asphalt mixtures, but as recycled asphalt material (RAM) contents increase, durability beyond cracking becomes incre...

Geospatial data supports nearly every aspect of airport operations and planning. Without a clear governance policy to guide how that data is collected, updated, and maintained, airports risk inconsist...

Unbonded post-tensioning offers opportunities for efficient, durable bridge design but presents challenges in understanding structural behavior and design application. TRB hosted a webinar on Wednesda...

High-visibility enforcement (HVE) campaigns are effective in improving traffic safety. However, many agencies face challenges in evaluating their impact due to limited resources, data, and analytical...

Nighttime transit supports workers, businesses, and communities that operate beyond the 9-to-5. Safe, reliable nighttime service is increasingly important to build ridership and improve equitable acce...

Operational traffic simulation models are powerful tools that help transportation agencies improve planning, design, and real-time operations. Understanding how state departments of transportation (DO...

Tune in for an update on ACRP’s Academic Programs. Whether you are a past participant or a new user, this session will provide valuable insights to help you engage with these programs in the future. T...

Accurately diagnosing the causes of crashes allows transportation professionals to select the most effective countermeasures. TRB hosted a webinar on Tuesday, November 4, 2025 from 12:00 PM to 1:30 PM...

Airport decision-makers can achieve substantial gains in efficiency by advancing their strategies in data management, analytics, and governance. TRB hosted a webinar on Thursday, October 30, 2025 from...

The latest National Highway Traffic Safety Administration (NHTSA) data indicates that fatality and crash rates among teen drivers have been increasing over the past few years. TRB hosted a webinar on...

When risk management is proactively integrated into organizational decision-making, with risks clearly officially documented and considered, it leads to better management of resources and a culture of...

Transportation practitioners and decision makers alike can use TRB’s planning “snapshots” to develop, implement, and advance programs for Complete Streets, data sharing, freight delivery, and economic...

Well-designed bus operator workstations and barriers can decrease driver risks of low back pain and slowed response time. Improving the health and safety of bus operators’ physical environment makes t...

The U.S. economy would not function without transportation. Goods move from producers to consumers, workers travel from home to workplaces, and consumers travel to purchase goods and services or pay t...

The rise in drug use on transit systems has become one of the most pressing and complex challenges for U.S. public transportation agencies. TRB hosted a webinar on Tuesday, October 14, 2025 from 1:00...

The design, construction, and long-term maintenance of linear roadside landscapes are among the most complex, and often overlooked aspects of highway asset management. TRB hosted a webinar on Monday,...

Durable transportation construction requires quality materials and workmanship. Make sure your certification requirements are up-to-speed. TRB hosted a webinar on Thursday, October 2, 2025 from 3:00 P...

Unpaved roads and airfields are flexible, cost-effective ways to connect remote areas to economic activities, families and social networks, and enable timely emergency response. Their performance and...

Find the right project delivery method to get the most out of your airport’s capital construction project. With a clear understanding of the relative costs, benefits, and risks of each delivery method...

Implement long-term, practical strategies to make commuter rail a successful part of regional mobility. TRB hosted a webinar on Monday, September 22, 2025 from 2:00 PM to 3:30 PM Eastern that explored...

The Research in Progress (RIP) database provides access to information on current transportation research and highlights what other institutions are working on. Together, RIP and TRID (an integrated d...

Airport parking lots are being adjusted to most effectively accommodate different electric vehicle (EV) charging needs. Planners are determining where, when, and how much charging infrastructure is ne...

Messages on variable message signs’ effectiveness depends on how they are designed and displayed. TRB hosted a webinar on Tuesday, September 9, 2025 from 1:00 PM to 2:00 PM Eastern that explored how b...

Pavement decision-makers have traditionally relied on static decision trees or expert judgment for roadway infrastructure management. When optimizing for performance and cost efficiency, try an approa...

The demand for air travel is outpacing the ability of original equipment manufacturers and their suppliers to deliver new aircraft. Manufacturers are missing delivery orders and falling short of promi...

Advancements in generative AI are transforming how transportation agencies engage with the public and manage communications. TRB will host a webinar on Friday, August 15, 2025 from 10:00 AM to 11:30 A...

Disruptions at airports can have far-reaching effects, making it essential to plan not only for the immediate response, but also for the sustained recovery and return to normal operations. Integrating...

Public and multimodal transportation can play a critical role in emergency evacuations. TRB hosted a webinar on Monday, August 4, 2025 from 12:00 PM to 1:30 PM Eastern that explored how transit system...

Low-volume roads in rural areas and developing countries are especially vulnerable to damage from increasingly intense storms. Rapidly assessing road conditions after severe weather events, designing...

Following 2021 Federal Highway Administration (FHWA) guidance on non-destructive testing (NDT) of fracture-critical members fabricated with Grade 100 steel, bridge inspectors need updated strategies t...

Natural disasters, economic disruptions, or geopolitical instability can significantly affect aviation demand and airport operations. TRB hosted a webinar on Wednesday, July 23, 2025 from 1:00 PM to 2...

Transportation agencies are operating in an era of rapid change, facing mounting pressures from workforce shifts, emerging technologies, and growing public and stakeholder expectations. TRB hosted a w...

Private vehicles, rental cars, taxicabs, ridehailing drivers, buses, and service and delivery vehicles are all navigating airport terminal roadways and curbsides. The high proportion of motorists who...

Preventive maintenance improves performance and extends the life cycle of airport facilities, systems, and components. TRB hosted a webinar on Wednesday, June 25, 2025 from 1:00 PM to 2:30 PM Eastern...

As transit agencies expand micromobility services such as bike and scooter sharing services to improve first- and last-mile connectivity, understanding the legal landscape is essential for effective a...

rban rail transit agencies are navigating shifting travel patterns and changing ridership demands in a rapidly evolving transportation landscape. TRB hosted a webinar on Monday, June 16, 2025 from 11:...

Advances in data analysis and visualization are enhancing safety planning efforts for Vision Zero programs and Safe Streets and Roads for All (SS4A) grants across the country. TRB hosted a webinar on...

Oral fluid testing is an emerging roadside chemical testing tool, offering new opportunities for drug detection among motor vehicle drivers. TRB hosted a webinar on Friday, June 6, 2025 from 1:00 PM t...

Over the coming decades, airports will face a wide range of challenges related to operations, environmental sustainability, and integration with broader intercity and local transportation networks. TR...

State departments of transportation (DOTs) and metropolitan planning organizations (MPOs) are working to improve how they collect, integrate, and present transit schedule data across multiple agencies...

The freight industry is rapidly evolving, driven by the growth of e-commerce, increasing demands on emergency mobility, and persistent challenges such as truck parking shortages. These issues are ofte...

The capabilities of uncrewed aerial systems (UAS), or “drones,” have advanced rapidly, making them increasingly practical for transportation agencies. TRB hosted a webinar on Wednesday, April 30, 2025...

Ensuring seamless connectivity is increasingly important, especially as rural areas—home to one in ten Texans—rely on improved infrastructure for economic growth and mobility. TRB hosted a webinar on...

Disruptions to the supply chain can have widespread economic and societal impacts, particularly for regions recovering from extreme weather events. Elements of resilience in transportation include the...

Agencies around the world are developing frameworks, policies and projects to reuse structural foundation elements in new structures. TRB hosted a webinar on Tuesday, April 15, 2025 from 1:00 PM to 2:...

Advanced air-control measures in public transportation are necessary, as buses can be high-risk environments for the spread of airborne diseases. TRB hosted a webinar on Thursday, April 10, 2025 from...

Extending the service life of concrete bridge decks can reduce maintenance costs and improve infrastructure resilience. TRB hosted a webinar on Friday, March 28, 2025 from 12:00 PM to 1:30 PM Eastern...

Artificial intelligence can optimize traffic management, improve predictive maintenance, and streamline enterprise operations. TRB hosted a webinar on Wednesday, March 26, 2025 from 12:00 PM to 1:30 P...

Like other aspects of transportation, automation, artificial intelligence, digitalization, and alternative fuels are redefining the maritime industry. The Industrial Revolution 5.0 demands new skills...

Transportation agencies must balance safety, efficiency, and legal responsibility when designing and operating roadways. Flexible design principles and engineering judgement play a crucial role in mee...

Artificial intelligence is revolutionizing the way we work. Strategic AI adoption can enhance transportation agency decision-making and operational efficiency without overwhelming their workforce. TRB...

How do you measure the success of transportation materials or construction project accordingly? Percent within limits (PWL) specifications combine both the mean and the standard deviation into a singl...

Are you looking to improve design and construction for long-lasting, sustainable concrete structures? TRB hosted a webinar on Thursday, February 27, 2025 from 2:00 PM to 3:30 PM Eastern that explored...

Airport arts programs enhance the passenger experience, engage stakeholders, and allow airports to highlight both the structure's unique features and cultural insights about the surrounding area. TRB...

Assessing conditions on bridge decks with non-destructive evaluation (NDE) technologies may reduce operating costs and extend lifecycles. It fosters cost-effective and timely interventions. TRB hosted...

To optimize supply chain operations, public and private freight planning stakeholders must harmonize decision making related to infrastructure investments. TRB hosted a webinar on Wednesday, February...

A quality assurance program ensures that materials and construction meet the requirements of approved plans and specifications. Given the high turnover in the pavement and materials field, uniform gui...

Acceleration, deceleration, and stopping sight distance (SSD) criteria are key factors in determining roadway geometric design requirements. These elements are influenced by variables such as grade, v...

Railroads and rail transit agencies are tasked with securing their rights of way, which often feature open access points such as grade crossings and station platforms that can lead to trespassing inci...

Advanced air mobility (AAM) involves the use of innovative aircraft technologies to transport passengers and cargo, typically on demand. While the AAM ecosystem will initially rely on existing airport...

Changes to truck operations and the associated loads will impact both existing and new flexible and rigid pavements, making them an important consideration for owner agencies. TRB hosted a webinar on...

The transportation sector is advancing towards full digital product delivery and digital as-built objectives within civil infrastructure. This transformation is driven by the goal of a fully end-to-en...

Tack coat specifications can promote long-term pavement performance and reduce issues like slippage and delamination between layers. TRB will host a webinar on Tuesday, December 17, 2024 from 1:00 PM...

Transit operators and other frontline workers often deal with high-stress situations, including fatalities, exposure to drug use, along with verbal and physical assaults. Such situations can take a se...

Mechanically Stabilized Earth (MSE) walls are widely used in transportation projects due to their cost-saving, time-efficient, and resilient nature. Recently, American Association of State Highway Tra...

As airports increasingly face the risk of energy service disruptions along with higher demand and costs, a strategic roadmap is critical. An airport-specific roadmap helps directors assess their curre...

In stressful emergency transport and evacuation situations, individuals with sensory disabilities may face greater difficulties. Emergency management resources, considerations, and techniques can over...

New truck abilities and the associated loads will impact flexible and rigid pavements, making them an important consideration for owner agencies. TRB hosted a webinar on Monday, November 25, 2024 from...

Post-World War II houses, subdivisions, and commercial properties are being considered for eligibility for listing in the National Register of Historic Places. Additional guidance is needed for determ...

Benefit-cost analysis (BCA) can be used screen and select projects funded by federal grants. The current narrow framework is insufficient to integrate impacts of current policy emphasis. Researchers a...

Rapid change is altering how we plan, build, and mange intermodal passenger transportation facilities. Factors as diverse as a rise in telework and advanced air mobility change user expectations. TRB...

Rural communities face unique challenges in providing connectivity and access to essential goods and services, including jobs, education, health care, and social services. TRB hosted a webinar on Tues...

Staged bridge construction is a complex and interdisciplinary process that requires meticulous planning, coordination, and comprise among stakeholders. TRB hosted a webinar on Friday, November 15, 202...

Extreme weather events cause damage and destruction of transportation infrastructure, leading to significant rebuilding costs, user delay, and inconvenience. Actionable and quantitative procedures can...

A nudge in the right direction can help you make better decisions about health, wealth, and happiness according to National Academy of Sciences member and author Richard H. Thaler. Use techniques from...

Fires and floods are causing infrastructure damage worldwide, leaving low-volume roads particularly vulnerable. Road that can be built or rebuilt efficiently, to quality standards, and with a durable...

The 1994 California Northridge Earthquake was a seismic event that impacted infrastructure, earthquake engineering practices, and community resilience. Thirty years later, TRB hosted a webinar on Wedn...

Emerging technology, hybrid work environments, and global issues contributing to unpredictable flight service all add to an atmosphere of continuous change. Developing a culture that values and suppor...

Civilian airports can bolster their resilience against increasing threats and disruptions by leveraging proven military strategies and resources. TRB hosted a webinar on Tuesday, October 22, 2024 from...

As transportation technology evolves and agencies adopt new mobility services to meet changing market demands, ensuring equitable access and transportation options for all populations is critical. The...

Engineers are limited in their ability to adapt and mitigate asphalt pavements’ vulnerability to moisture damage. Climate models favor increased atmospheric moisture, adding urgency behind the need to...

Transportation construction inspectors use expertise in earthwork, structures, and pavement to ensure that construction work meets or exceeds the contract requirements. Development of construction ins...

Two significant advances have recently emerged in predicting the in-place strength of concrete for pavements and facilitating earlier opening of pavements. The first is the development of a new Americ...

Are you thinking of conducting research for the Airport Cooperative Research Program (ACRP)? TRB will host a webinar on Monday, October 7, 2024 from 1:00 PM to 2:30 PM Eastern that took a behind-the-s...

Integrating performance-based plans and programs helps employees effectively attain performance goals while enhance the efficiency of organizational planning processes. TRB hosted a webinar on Monday,...

Airport economic impact studies indicate the growth and sustainability of the aviation industry. TRB will host a webinar on Wednesday, October 2, 2024 from 3:00 PM to 4:30 PM Eastern that addressed th...

Gender-inclusivity is a critical consideration in the design of new transportation safety measures. TRB hosted a webinar on Wednesday, October 2, 2024 from 12:00 PM to 1:30 PM Eastern that explored th...

Proper contingency planning can help airports become resilient against disruptions. Contingency plans can prepare for impacts on staffing, financial and information technology resources, infrastructur...

The Research in Progress (RiP) Database is a leading tool for transportation professionals to stay updated on current or recently completed transportation research projects. TRB hosted a webinar on Fr...

One of the fundamental objectives of a Maintenance Management System (MMS) is capturing maintenance costs for analysis. Where in a system labor, equipment, and materials usage costs are captured can m...

Traffic safety technologies for detecting driver impairment rapidly evolve and gain traction. Understanding the current landscape, opportunities, and future potential of in-vehicle impairment detectio...

As agencies are moving closer to Vision Zero, a multi-national road traffic safety project aiming to achieve a roadway system with no fatalities or series injuries, wrong-way driving crashes still cau...

New research reveals how different tactile walking surface indicators (TWSIs) can be used in complex transportation settings where other cues may be inconsistent, confusing, misleading, or missing to...

The Infrastructure Investment and Jobs Act has increased transportation investments and accountability in reaching broad goals, such as carbon reduction, safety, and accessibility. Those tasked with a...

Digital Construction Management (DCM) builds on emerging and existing technologies and techniques to enhance safety, efficiency, and effectiveness of highway construction. Transportation agencies look...

How will the Council on Environmental Quality’s (CEQ) Phase 2 regulations affect industry project delivery and timelines? TRB hosted a webinar on Wednesday, August 28, 2024 from 2:00 PM to 3:30 PM Eas...

Bridge life-cycle and performance under earthquakes is critically impacted by the effects of climate change phenomena such as scour, sea level rice, tsunamis, and permafrost degradation. TRB hosted a...

Obstructions for trees around airports can hinder aircraft operations, requiring airports to manage tree growth on and off airport property. TRB hosted a webinar on Thursday, August 15, 2024 from 11:0...

Multiple research studies including those from TRB, AASHTO, and PIARC (World Road Association) are pointing to the changing mission and role of transportation agencies and the actions transportation a...

Agencies, contractors, and industry are developing strategies to reduce greenhouse gas emissions (GHG) for asphalt and pavement production. TRB hosted a webinar on Tuesday, August 6, 2024 from 1:00 PM...

In today's reality of sea level rise and extreme weather-related events, planning for infrastructure resiliency is more important than ever before. Resilience is a process that is scalable and include...

The fixed-base operator (FBO) industry provides aeronautical services to a wide spectrum of aircraft operators at airports. TRB hosted a webinar on Thursday, July 25, 2024 from 2:00 PM to 3:30 PM East...

Industry-wide, airports are experiencing disruptive and continuous changes that include the rapid introduction of new technology, financial constraints, retirements, and the need to replace seasoned v...

State departments of transportation own and manage fleets of vehicles and equipment. Once vehicles and equipment reach an age, level or use, or condition that limits usefulness for operations, these a...

Assessing critical infrastructure failures bolsters resilience against disruptive events, strengthens public safety, and maintains essential services vital for economic stability and societal function...

Traffic management system (TMS) lifecycles and improvements must be managed as a valuable resource and integrated into planning processes. TRB hosted a webinar on Monday, July 15, 2024 from 2:00 PM to...

During a disaster, the lack of interoperable, shareable, analysis-ready data managed by emergency organizations limits data sharing and the creation of common reference pictures in areas and populatio...

Transportation projects require significant investments of funds and resources. Costs include project scope and development, environmental review and mitigation, preliminary engineering, right-of-way...

Many transit systems have or plan to have exclusion policies that effectively ban violators from using the transit system for a period of time. There is limited information about how these policies ar...

Geospatial tools and geographic information systems (GIS) can be utilized to ensure equitable, accessible, and inclusive mobility. TRB hosted a webinar on Tuesday, June 25, 2024 from 2:00 PM to 3:30 P...

Many states are moving towards zero-emission vehicles, making battery electric trucks an attractive option. However, the creation of lithium-ion batteries to power these trucks increases overall carbo...

Friction management can help address the rising number of fatalities and serious injuries on roadways. TRB will host a webinar on Tuesday, June 11, 2024 from 1:00 PM to 2:30 PM Eastern that covered th...

The current balance mix design (BMD) practices used by state departments of transportation vary considerably. TRB provides a glossary of these terms. TRB hosted a webinar on Monday, June 10, 2024 from...

Environmental, social, and governance reporting is the term used for a corporate disclosure framework that focuses on a reporting organization’s risks and means of mitigating issues with respect to ES...

Pavement foundation deformation under asphalt or concrete surface layers cause damage at the surface and reduce service life. Extreme weather and seasonal climate change create additional uncertainty,...

When technology solutions are not accessible to people with disabilities, the solutions are exclusionary. Public and private industries must work with people with disabilities when planning, designing...

Landside airport operations are a significant portion of an airport’s daily operations and customer experience. Surface traffic also contributes to a substantial portion of the carbon emissions at air...

Modern technology is radically changing how travelers find their way to their destinations. Vehicle mounted navigation systems and smart phone applications are rapidly changing travelers’ level of com...

Telecommuting and remote work allowed many organizations to maintain business continuity through the pandemic. It also presented challenges and risks that must now be considered when planning for long...

Is ferry electrification a means to help support private ferry operations? Fuel is one of the greatest operational costs, leaving some private ferry companies struggling to survive. TRB hosted a webin...

Highly modified asphalt (HiMA) binders are engineered to provide lasting performance in asphalt mixtures subjected to demanding traffic loading and environmental conditions. TRB hosted a webinar on Th...

Collaboration and public engagement are paramount to successful transportation projects, and transformational partnerships have the potential to increase positive transportation outcomes. Beyond Commu...

People experiencing homelessness have been increasingly seeking shelter at airports due to a significant increase in homelessness and airports’ relative safety, transit accessibility, climate-controll...

Improving concrete mix designs through aggregate optimization is critical to achieve the concrete and cement industry goal of carbon neutrality by 2050. Reclaimed asphalt pavement (RAP) and recycled c...

Broadband communications, renewable energy, and many other utility-related facilities are seeking space in state departments of transportation (DOTs) rights-of-way. State DOTs are investigating the us...

Transportation asset management plans (TAMPs) describe how agencies manage and invest in infrastructure assets from construction through replacement or decommissioning. There are many practical barrie...

Airports of all sizes faced challenges during the COVID-19 pandemic, heightened by the delicate balance between sustaining airport operations and public health and differing governance structures. TRB...

Designing and conducting choice experiments requires several steps: choosing the design type, the number of choice situations, and the sample size. TRB hosted a webinar on Monday, April 15, 2024 from...

As the state of practice for travel surveys rapidly evolves and response rates continue to decline, researchers must often consider multimethod sampling to obtain responses from hard-to-reach populati...

Wrong-way driving crashes represent approximately 1 percent of the total number of traffic-related fatalities annually. TRB hosted a webinar on Wednesday, March 27, 2024 from 12:00 PM to 1:30 PM Easte...

Public transportation agencies across the country are exploring ways to respectfully support persons who are experiencing homelessness and minimize impacts to transit employees and the traveling publi...

Airports are facing increased regulatory pressure to address per- and polyfluoroalkyl substances (PFAS) on or near their facilities. To effectively manage this environmental challenge, it is imperativ...

The onset and progress of the COVID-19 pandemic presented unprecedented challenges. The NCHRP Domestic Scan 21-01: Lessons of Agency Resilience During Periods of Disruption documented how agencies exp...

Do you need guidance on how to maintain and preserve existing concrete pavements in the most cost effective and sustainable manner? TRB hosted a webinar on Monday, March 18, 2024 from 2:00 PM to 3:30...

Shrink swell soil causes significant pressure on foundations, roads, and other infrastructure, with a high expansion volume when wet and high shrinkage when dry. TRB hosted a webinar on Tuesday, March...

Airports are facing a pressing need to adapt to the growing demand for wireless connectivity, both in terms of implementing tools and providing connectivity. TRB hosted a webinar on Monday, March 11,...

A road usage charge (RUC) allows users of a transportation system to help pay for the system in a fair manner and in proportion to how much it is used. The NCHRP WebResource 2: Road Usage Charge Guide...

New technology, tools, and practices are being used to help address issues around impaired driving. TRB hosted a webinar on Thursday, February 29, 2024 from 12:00 PM to 1:30 PM Eastern that shared new...

Urban Air Mobility (UAM) is an emerging transportation approach that has the potential to significantly transform transportation systems. Understanding the impacts and opportunities of UAM for airport...

Determining accurate asphalt content of mixtures is critical, particularly as the quantity of recycled materials allowed during production increases. TRB hosted a webinar on Wednesday, February 28, 20...

With rapid technological innovation and deployment, state departments of transportation (DOTs) and other transportation planning agencies need a clear framework to find opportunities to enhance agency...

Many transportation agencies are building new facilities and rebuilding aging infrastructure with improved project risk reduction and system resilience. Geotechnical site variability is recognized as...

Native seed and plants are adapted to the local climate and soil condition. They require less maintenance, maintain climate-resilience, and assist in restoration and conservation goals. TRB hosted a w...

Recent low-carbon infrastructure legislations around the world have led to increased interest and research in alternative flexible pavement binders. TRB hosted a webinar on Monday, February 12, 2024 f...

To provide an inclusive and accessible travel experience for all, airports must consider the unique needs of travelers with functional limitations. TRB will host a webinar on Wednesday, February 7, 20...

The global supply chain crisis was accompanied by record container cargo volumes at ports on the Pacific, Atlantic, and Gulf coasts that resulted in container yards at capacity and decreased operation...

Many airports struggle to meet funding needs through traditional sources. By harnessing the power of digital tools, airports can transform the passenger experience while unlocking revenue generating o...

Transportation services need to remain available and accessible during emergency situations for all, including persons with disabilities and older adults. Many challenges arose during the COVID-19 pan...

Transit agencies are looking for ways to provide expanded mobility options to their ADA paratransit customers while reducing the overall cost. Alternative services accomplish both objectives. Alternat...

State agencies have an abundance of external data available but limited experience with utilization of this data for maintenance and operation decision making. TRB hosted a webinar on Wednesday, Decem...

Virtual public involvement creates new possibilities for two-way communication, in real time, with fewer barriers, and offers innovative ways to reach riders, engage advocates, and shape policy. TRB h...

Global positioning system (GPS) data, virtual reality (VR), games, and digital twin models are some of the latest technologies for understanding evacuation behaviors and regional resilience. These eme...

Climate change is creating huge impacts to infrastructure worldwide. Identifying adaptation measures to prevent damage to roads, culverts, and pavements is a priority. TRB hosted a webinar on Tuesday,...

Agencies are seeking cost-effective, sustainable solutions to rebuild national roadway infrastructure without compromising performance. Cold In-place recycling (CIR) and Cold Central Plant Recycling (...

Roadway operations technology organizations are aligning towards a collaborative national approach to transform connectivity and create a national roadway network digital infrastructure layer. TRB hos...

Data from maintenance management systems is extremely valuable and a large amount of effort is invested in collecting it. State departments of transportation (DOT) maintenance budgets can be more than...

In the early 1990s, Minnesota became the first state in the nation to prohibit discrimination based on a person’s sexual orientation and gender identity. Yet the state continues to use male-female cat...

Bus stops that require passengers to cross a bicycle lane to access the stop present both wayfinding and safety challenges for passengers who are blind or have low vision. A recently completed evaluat...

Social, economic, and geopolitical events have contributed to the demand shocks and severe operational and financial consequences for supply chain and freight industries in the United States. Companie...

Transportation impacts the health and well-being of individuals and communities by providing access to work, healthcare, shopping, and other services or opportunities. Transportation mode choice can a...

To improve safety, efficiency, and operational effectiveness, standardized apron and ramp markings at airports are needed across the United States. Additionally, as unmanned aircraft systems (UAS) con...

The new American Association of State Highway and Transportation Officials (AASHTO) Guide for Accommodating Utilities within Highway Right-of-Way will combine the utility accommodation policy and the...

Motorized traffic is a significant source of urban air pollution. Individuals living adjacent to freeways and arterials have increased exposure to traffic-related air pollution. It contributes to incr...

Buried bridges, a relatively new and inexpensive form of highway bridge, have demonstrated good long-term performance. The efficiency and affordability make buried bridges a good alternative to tradit...

Attention to details in the volumetric acceptance process is important to ensure an asphalt mixture with adequate asphalt content. These details apply to the mixture design and acceptance. TRB hosted...

New tools and process workflows incorporating geophysical site investigation are available to make data-driven evaluations of bridge scour and erosion for risk assessment and resilient design. TRB hos...

Cloud computing is changing how agencies plan, procure, implement, operate, and maintain solutions and services for Transportation Systems Management and Operations (TSMO). Agencies are rethinking the...

Human traffickers often use local, state, and national infrastructure and transportation systems, including all types of airports, to undertake these activities. Trafficking is often difficult to dete...

Airport insurance programs can be complex with types of coverage, limits, retention amounts, and legal and contractual issues. TRB hosted a webinar on Monday, October 23, 2023 from 1:00 PM to 2:30 PM...

Ultra-high performance concrete (UHPC) has proven to be a versatile option in repair, retrofitting, and new designs of different portions of bridges. TRB hosted a webinar on Wednesday, October 18, 202...

Portland cement concrete pavement joint sealing material technology has evolved in recent decades. TRB National Cooperative Highway Research Program’s NCHRP Synthesis 568: Portland Cement Concrete Pav...

Bus rapid transit (BRT) and high-priority bus transit projects can improve mobility and enhance accessibility for residents. Transit agencies and municipalities also need to consider impacts on the sa...

Over the last three years, communities worldwide have implemented quick-build facilities to increase safety and access for people biking. TRB hosted a webinar on Tuesday, October 10, 2023 from 11:00 A...

Impaired driving continues to be a prevalent behavior on our roadways, costing the lives of people and creating unique challenges for law enforcement. TRB hosted a webinar on Tuesday, October 3, 2023...

Managing roadway access is critical to the quality of the transportation system, but many agencies lack the tools to readily demonstrate these benefits when controversy arises over access management d...

In 2022, TRB’s Airport Cooperative Research Program (ACRP) hosted a two-day event to expand participants’ understanding of the challenges posed by systemic racism in the aviation industry, why it matt...

Barriers to airline travel and the ability of people that use mobility devices on board commercial service aircraft has sparked national dialogue around considerations for passenger dignity, safety is...

The recently published ACRP Research Report 244: Advancing the Practice of State Aviation System Planning provides guidance to stakeholders involved in the development of a state aviation system plan...

Adjacent precast concrete box beams for short- and medium-span bridges are an economical solution. A recurring problem, however, is cracking in the grouted joints between adjacent beams. TRB hosted a...

The RIP database is a powerful and free tool for transportation professionals to stay updated on current transportation research projects. TRB hosted a webinar on Tuesday, September 19, 2023 that desc...

Inverted pavement is an effective design option that can enhance the sustainability and resilience of pavements. TRB hosted a webinar on Monday, September 18, 2023 from 2:00 PM to 3:30 PM Eastern that...

The assumption is that if a vulnerable road user is within a driver’s line of sight, they can be seen. But this does not take into account distance, speed, or other contextual features that might comp...

Data shows that fatal crashes involving impaired drivers often include higher blood alcohol concentrations, prior driving convictions, and more than one impairing substance. This is a complex problem...

The 7th edition of the American Association of State Highway and Transportation Officials (AASHTO) “Green Book” on geometric street design introduced the concept of context-based classification of roa...

Many state agencies are curious about Accelerated Bridge Construction (ABC) but need additional guidance on how to implement an ABC program. TRB hosted a webinar on Wednesday, August 30, 2023 from 1:0...

State departments of transportation (DOT) are increasing their focus on developing and implanting environmental justice (EJ) into planning and National Environmental Policy Act (NEPA) processes. TRB h...

TRID helps researchers locate solutions to problems, avoid duplication of work, save resources, and satisfies Federal Highway Administration (FHWA) requirements to consult TRB’s TRIS Databases to iden...

Many industrial sectors are increasingly focused on reducing greenhouse gas emissions and achieving net zero emissions by 2050. As the largest contributor, making the transportation sector more sustai...

Extreme weather impacts to roads can be damaging and costly, but measures for adaptation and storm damage mitigation are available. TRB hosted a webinar on Monday, August 7, 2023 from 1:00 PM to 2:30...

State agencies and businesses have been improving the resilience of transportation systems to climate change and extreme weather impacts. TRB hosted a webinar on Wednesday, July 26, 2023 from 1:00 PM...

Parking affects passengers’ and visitors’ ability to access an airport and represents a large portion of an airport’s non-aeronautical revenue. TRB hosted a webinar on Monday, July 24, 2023 from 1:00...

Disadvantaged and underserved communities are disproportionately impacted by disasters, necessitating guidance and policies that will safely evacuate communities and quickly distribute resources for a...

The U.S. Department of Transportation has recently published a Notice of Proposed Rulemaking (NPRM) for the Disadvantage Business Enterprise (DBE) program. The NPRM along with state initiatives both i...

Travel demand analysis requires a review of multiple data sources and using a fusion approach can help unravel the complexities that shape travel choices. TRB hosted a webinar on Wednesday, July 12, 2...

Incorporating freight-efficient policies into land-use planning ensures commercial supply chains function properly, keeping quality of life in urban and metropolitan areas high. TRB hosted a webinar o...

Unfortunately, this event has been canceled. Please contact TRBwebinar@nas.edu if you have any questions.

Significant changes have been made recently to AASHTO Load Resistance Factor Design (LRFD) Bridge Design Specifications pertaining to shear studs on steel bridges. TRB hosted a webinar on Thursday, Ju...

Want to stay out of court? Make your case! Transportation engineering documents are frequently used by litigants and courts as evidence against transportation agencies that are being sued for alleged...

When emergencies happen, airport management rely on plans for an efficient and effective response to a variety of scenarios. TRB hosted a webinar on Wednesday, June 14, 2023 from 2:00 PM to 3:30 PM Ea...

Pedestrian crashes are rising. What is driving the rise? And what cost-effective treatments can improve safety? TRB hosted a webinar on Tuesday, June 13, 2023 from 1:00 PM to 2:30 PM Eastern that exam...

New technologies that could benefit public transportation are rapidly and continually emerging—autonomous and connected vehicles, mobility-as-a-service, route planning and optimization software—but ra...

As transit agencies implement new or expanded on-demand services, effective methods in marketing and customer education are critical for success. TRB hosted a webinar on Tuesday, June 6, 2023 from 2:0...

Clear, visible, and accurate airfield markings are critical to ensuring safe aircraft operations. TRB hosted a webinar on Monday, June 5, 2023 from 3:00 PM to 4:00 PM Eastern that helped airport opera...

Standardizing operations data allows transit agencies to share tools to organize and validate data to make actionable decisions. TRB hosted a webinar on Thursday, June 1, 2023 from 12:00 PM to 1:30 PM...

Airports of all sizes want to understand the broader industry shift towards alternative power solutions and how to prepare. TRB hosted a webinar on Thursday, May 25, 2023 from 2:00 PM to 3:00 PM Easte...

Pavement markings are a ubiquitous safety measure, but a wide variety of practices results in significant differences in marking quality from location to location. A new Federal Highway Administration...

What are the latest innovations in seismic design on foundations? TRB hosted a webinar on Tuesday, May 23, 2023 from 3:00 PM to 4:30 PM Eastern that shared the latest findings on the seismic design a...

From drones to autonomous vehicles, the way we think of transportation is changing. Considering equity in artificial intelligence (AI) in transportation infrastructure is necessary to ensure no demogr...

State departments of transportation (DOTs) are improving data management practices to meet the shift to performance-based management and the need for improved data quality, integration and interoperab...

Recent guidelines from AASHTO have shifted seismic bridge design from uniform hazard spectrum to a risk-targeted ground motion approach. This shift will result in more uniform reliability of bridges d...

Quarry by-products are produced during blasting, crushing, washing, and screening operations. Developing pavement applications for quarry by-products and other off-spec products is key to achieving ag...

Are you considering the use of dielectric profiling systems (DPS) and paver mounted thermal profiling (PMTP) technologies for real-time quality management? TRB will host a webinar on Thursday, May 11,...

Airports are seeking opportunities to create touchless experiences for passengers, which will reduce common touchpoints and their potential for disease transmission. TRB hosted a webinar on Wednesday,...

Are you effective in deploying and managing artificial intelligence (AI) applications? TRB will host a webinar on Wednesday, May 3, 2023 from 2:00 PM to 3:30 PM Eastern that shared three successful ap...

Lack of adequate accommodation for truck parking along major freight corridors challenges transportation agencies and the trucking industry. TRB hosted a webinar on Tuesday, May 2, 2023 from 2:00 PM t...

Our collective conception and approach to resilient freight planning is being altered by increased frequency of events. TRB hosted a webinar on Tuesday, April 25, 2023 from 11:30 AM to 1:00 PM Eastern...

When developing geotechnical asset management programs, there is a great interest in methods used to assess the condition of various assets to allow for trade-off analysis and budget allocation. TRB h...

Slurry seals, scrub seals, and tack coats are a means to pavement preservation, extending service life, and overall performance. However, there is no nationally accepted guidance on their construction...

Priced managed lane projects that use pricing as a demand management tool are facing increased political and policy resistance to their implementation. There may be a general anti-road pricing sentime...

Ferry transportation services have the potential to play an even greater role in many municipal and regional transportation systems. These services can boost transit capacity to transportation network...

Bridge management is about the selection and evaluation of strategies for comprehensive management of bridges and structures. The 2019 Transportation Asset Management Plan (TAMP) processes include lit...

The use of concrete overlays on asphalt pavements has become increasingly popular as a rehabilitation treatment. TRB hosted a webinar on Tuesday, April 4, 2023 from 3:00 PM to 4:30 PM Eastern that pro...

Federal transportation performance management (TPM) requirements were signed into law in the early 2010s. Following robust efforts by transportation agencies nationwide, the first four-year cycle of i...

State departments of transportation (DOTs) have been transitioning to the use of element inspection data to document bridge conditions. TRB hosted a webinar on Wednesday, March 29, 2023 from 2:30 PM t...

Understanding the impacts of the COVID-19 pandemic on telecommuting and transit ridership patterns can inform the design and implementation of transit-supportive policies in the post-pandemic era. TRB...

Shortages of bus operators are affecting the frequency and quality of transit services across the country. Transit agencies may need to reevaluate their current practices for maintaining their workfor...

In these times of rapid and unprecedented change, the critical need for urgent action in advancing greater workforce diversity and development, innovation and continuous learning, and “people-readines...

For the first time, AASHTO Load-and-Resistance Factor Design (LRFD) Bridge Design Specifications will permit the use of 0.7-inch strands. The use of 0.7-inch strands could cut down on the number of st...

Plastic waste is an ongoing concern for our environment. Agencies and industry are keenly interested in the use of recycled plastic waste in asphalt, which holds potential to both improve asphalt pave...

The latest traffic signal simulation techniques can be integrated with open-source platforms to facilitate future research and community benefits. TRB hosted a webinar on Wednesday, March 15, 2023 pre...

Asphalt mixtures containing recycled asphalt materials (RAM) may benefit from the use of a recycling agent (RA) to improve cracking resistance. TRB hpsted a webinar on Monday, March 13, 2023 from 1:00...

The 2021 TRB Conference on Advancing Equity featured presentations from those working on the front lines of transportation equity and justice within community-based and non-profit organizations. The p...

The most common approach to reducing highway noise traffic is noise barriers, however there are many alternatives state department of transportations (DOTs) can consider that may be more context- and...

Stabilization additives are used to increase the strength and stiffness of road foundations in weak and susceptible soils. Numerous additives exist for improving performance of aggregate base and subg...

The light-weight deflectometer (LWD) has seen increased use in quality control and quality assurance testing. Pavement applications include general assessment of unbound layer stiffness and controllin...

In these times of rapid and unprecedented change, the critical need for urgent action in advancing greater workforce diversity and development, innovation and continuous learning, and “people-readines...

Modern health, environmental, and social disruptions require transportation institutions to develop new skill sets for teams and preparations for extreme scenarios. TRB hosted a webinar on Wednesday,...

Utilities can cause delays to transportation projects. Proper and timely implementation of subsurface utility engineering (SUE) can assist in reducing those delays. TRB hosted a webinar on Tuesday, Fe...

Maintenance and other field workers are exposed to hazards that require a higher level of management than traditional office-based positions within state departments of transportation (DOTs). TRB host...

In these times of rapid and unprecedented change, the critical need for urgent action in advancing greater workforce diversity and development, innovation and continuous learning, and “people-readines...

Smart technologies help state departments of transportation (DOTs) improve work zone safety for motorists, construction and maintenance workers, and other users of the transportation system. TRB hoste...

Bridges can provide a lower ride quality when compared to pavements. To provide a good ride quality, attention should be paid to constructing smooth bridge decks. TRB hosted a webinar on Monday, Febru...

Electronic ticketing is a paperless process for producing, distributing, sorting, recording, and archiving materials tickets for highway construction projects. Are you ready to implement e-ticketing b...

Many transit agencies are considering the implementation of partial or fare-free transit policy and may be unsure how to evaluate the costs and benefits of implementation. TRB hosted a webinar on Tues...

Metropolitan Planning Organizations (MPOs) adhere to the same federal laws and guidance, but each organization operates within its own state, environmental, resource, and political contexts. TRB hoste...