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This manual provides direction to the user from scoping through final design.

The CDOT Roadway Design Guide 2023 establishes a new framework for designing roads, streets, freeways, expressways, and interstates.

Design criteria and design flexibility helps in achieving the most appropriate design.

(Rev: 03-2025) An intersection is defined as the general area where two or more roadways join or cross, including the roadway and roadside facilities for ...

A roundabout is a form of a circular intersection in which traffic travels counterclockwise around a central island and entering traffic must yield to ...

Grade separations of intersecting traffic lanes facilitate uninterrupted flow or traffic, resulting in the greatest efficiency, safety, and capacity for ...

Access management is the planned and regulated interaction between the roadway network and property access. It is an intentional strategy to reduce conflict ...

Pedestrian access, accommodation, and safety should be given full consideration during all project planning, scoping, and design.