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DC Streetcar Design Criteria

DC Streetcar Design Criteria DDOT flyer cover

The District Department of Transportation (DDOT) has developed the DC Streetcar Design Criteria and Standard Drawings. These documents provide a general framework and the basis for a uniform design for the proposed DC streetcar system. These guidelines will allow DDOT, agencies, consultants, planners, engineers and other professionals to develop preliminary and final designs for any streetcar project that might be undertaken by the District of Columbia.

Professionals involved in the DC streetcar program are encouraged to carefully consider the principles of the Design Criteria in the context of the needs of individual projects. Exceptions may apply in special cases. This manual will require future amendments and revisions to reflect policy changes, technology changes, streetcar vehicle types, and other technical changes.

The DC Streetcar Design Criteria (2019) provides both general uniform and minimum guidelines and specific design criteria for use in the development, design and construction of the streetcar system. We are confident that the use of this document will enable the District Department of Transportation (DDOT), agencies, consultants, planners, engineers, architects and other professionals to more efficiently translate DC requirements into acceptable design solutions. The DC Streetcar Design Criteria (2019) is intended to serve as a living document that will evolve to reflect changes in industry, engineering, operation, and maintenance, and policy of DC Streetcar program.

These criteria are not intended to replace the level of initiative and competence expected from DDOT, agencies, consultants, and professionals in the performance of their duties. It is not a substitute for engineering judgment and sound engineering practice. Professionals involved in the DC streetcar program are encouraged to carefully consider the principles of the Design Criteria in the context of the needs of individual projects. Exceptions may apply in special cases. If a guideline is not appropriate and that a more appropriate solution is available, suggestions to this effect should be raised for consideration by DDOT.