Demand response transportation (DRT) providers have consistently looked for operational designs and mechanisms to improve service efficiencies and lower operational costs. DRT services, which include ADA (Americans with Disabilities Act) complementary paratransit and general public DRT services, such as advance reservation dial-a-ride services and ondemand microtransit services, are inherently less efficient to operate due to circumstances of geography, population locations, program rules, and “points of interest” (relevant transit locations and destinations) for travel.
TCRP Synthesis 183: Operational and Service Factors When Integrating or Consolidating ADA Paratransit and On-Demand Services, from TRB's Transit Cooperative Research Program, provides information, analysis, and examples of the current state of the practice in integrating or consolidating ADA paratransit and other types of paratransit service with on-demand microtransit for the general public, including documented findings and results from the agencies, municipalities, and other local government entities providing these commingled trips.
National Academies of Sciences, Engineering, and Medicine. 2025. Operational and Service Factors When Integrating or Consolidating ADA Paratransit and On-Demand Services. Washington, DC: The National Academies Press.
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