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District Department of Transportation

Design and Engineering Manual

Yellow hard hat, plans, pencil, and ruler on a drafting table.

The District Department of Transportation (DDOT) Manual for Design and Engineering describes the agency's procedures and standards for preparing project construction documents.

The primary purpose of the manual is to enable the District's engineers, consultants, and private developers to efficiently and effectively develop projects that meet the District's policies and standards.

The project development standards found below are written primarily for DDOT projects.


Provides departmental standards for construction projects for engineers, consultants, and private developers.