Locations

Beginning May 7, 2025, federal agencies, including NIEHS, will enforce the REAL ID Act, which requires that you have a REAL ID, U.S. passport, or another federally approved identification to enter secure federal buildings.

For a list of acceptable IDs, please visit the Transportation Security Administration website.

NIEHS Clinical Research Unit — Durham, North Carolina

Directions and Security Procedures

• For driving directions and security procedures on campus, please see Visiting the CRU.

Public Transportation

• If you are using public transportation, please call 919-485-7433 or visit RTP Connect to arrange free ride service from the Regional Transit Center in Research Triangle Park.

The Clinical Center — Bethesda, Maryland

• Directions and Security Procedures for the NIH Clinical Center in Bethesda, MD
• Important information for visiting the Clinical Center in Bethesda, MD.