Historic Preservation


DDOT, in compliance with local and federal regulations, will ensure that no agency projects will have an adverse effect on historic or cultural resources.

Procedures & Services

DDOT has set up a citywide Section 106 Programmatic Agreement (PA) with the Federal Highway Administration (FHWA)District of Columbia Historic Preservation Office (DCHPO), and the Advisory Council on Historic Preservation (ACHP). Any activities or projects listed on the programmatic agreement do not require further review by DCHPO.

DDOT Environmental Manual, Chapter 21 and the DDOT Citywide Section 106 Programmatic Agreement


See Related

Additional Information

Legal References

Design Standards & Specifications

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Transportation Plans & Studies

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Other Resources

  File Modified

PDF File Citywide Section 106 Programmatic Agreement.pdf

26 Mar, 2022 by James Graham

PDF File Environmental Manual - Second Edition - 2012.pdf

26 Mar, 2022 by James Graham