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Standard Specifications for Highways and Structures

Image of highway under construction

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.

Notes for 2013 Standard Specifications:

  1. DC Water Specifications:  DC Water Specifications can be requested by sending an email to: DCWater_Specification_Request@dcwater.com
  2. DDOT Standard Drawings:  The first three digits of the drawing number in the 2009 DDOT Standard Drawings correlate to the Section number from the 2013 DDOT Standard Specifications for Highways and Structures, with the exception of the following series of Standard Drawing numbers, which correlate to the 2013 Standard Specification Section as shown in the table below.
First three digits of 2009 STANDARD DRAWING
306 324
601 506
605 603
607 604
608 605
609 606
611 608
613 609
614 610
616 612
617 613
618 614
620 616
627 617
628 618

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