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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.These Standard Specifications may be revised or amended from time to time, but only to the extent specified under a supplemental specification or special provision included in the specific contract.




Design and Engineering Manual 


2019 DEM 

View file
nameDEM-2019-01-01_DDOT_DEM_Updates_FINAL.PDF
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Revisions and Memos

DEM Approval Memo

Environmental Standards 


Environmental Manual

View file
nameEnvironmental Manual - Second Edition - 2012.pdf
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Environmental Management System

View file
nameEnvironmental Management System (EMS) Manual.pdf
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Right of Way Manual


Right-of-Way Policies and Procedures Manual

View file
nameDDOT ROW Manual 2019-07-31.pdf
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Misc. Standards/Manuals 


Construction Management Manual & Policy and Process Manual

View file
nameddot_construction_management_manual_rev07-01-2010.pdf
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View file
nameddot_policy-and_process_07_2010.pdf
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Pedestrian Safety and Work Zone Standards & D.C. Temporary Traffic Control Manual

View file
namepedestrian_safety_and_work_zone_standards_covered_and_open_walkways_july_2010.pdf
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View file
nameddot_work_zone_temporary_traffic_control_manual_2006.pdf
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