Current Operating Status
Effective October 1, 2025
The NAS Building and the Keck Center in Washington, DC, are currently closed to the public. Only visitors with an appointment for a specific meeting or purpose will be allowed entry with a valid government ID. Visitors may only enter the NAS Building through the C Street entrance.
Visitors with an appointment for a specific meeting or purpose will be allowed entry with a valid government ID to the Beckman Center in Irvine, CA.
Current operating status information is also available on our phone hotline at 202-337-8566.
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The National Academies of Sciences, Engineering, and Medicine follow rigorous policies and procedures that uphold integrity, transparency, and public confidence in our work.
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Events
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Stay in the loop with can’t-miss sessions, live events, and activities happening over the next two days.
TRB Annual Meeting
January 11 - 15, 2026 | The TRB Annual Meeting brings together thousands of transportation professionals worldwide for sessions across all modes and sectors.