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FAQ


This Compendium page contains all DDOT standards, including the Standard Specifications for Highways and Structures, Standard Drawings, Design and Engineering Manual, Environmental Standards, and more. For older versions of the Standard Specifications for Highways and Structures click here, and for the Design and Engineering Manual, here

The District of Columbia Department of Transportation (DDOT) Standard Specifications for Highways and Structures are standard for all DDOT contracts awarded by the Mayor of the District of Columbia, the Council of the District of Columbia, and/or the Contracting Officer. The Standard Specifications shall also be used for all the construction activities and material control within the Public Space of the District of Columbia.




Design and Engineering Manual 


2019 DEM 


Revisions and Memos

DEM Approval Memo

Environmental Standards 


Environmental Manual


Environmental Management System

Right of Way Manual


Right-of-Way Policies and Procedures Manual


Misc. Standards/Manuals 


Construction Management Manual & Policy and Process Manual


Pedestrian Safety and Work Zone Standards & D.C. Temporary Traffic Control Manual