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Bicycle and pedestrian modes of transportation are key elements of CDOT’s mission to provide an integrated multimodal transportation system to accommodate ...

(Rev: 2-20-2024) This chapter addresses the basic issues when designing a roadway project that includes major or minor structures incoordination with the other ...

(Rev: 2-20-2024) This chapter addresses important design issues related to providing a safer transportation system.

This chapter is intended to help designers understand issues related to highway traffic noise. This includes understanding the applicable federal and state ...

(Rev: 2-20-2024) This chapter defines Standard Specifications and Special Provisions. It provides details on the format and guidelines for writing Special ...

(Rev: 03-2025) Cross sections will often vary throughout a project length to adapt to different context zones and identified constraints.

A road facility type (Road) is generally characterized as a two or more-lane roadway with shoulders and roadside ditches, mainly found in a rural, low-density ...

(Rev: 03-2025) A Street facility type (Street) is generally characterized by the inclusion of curb and gutter, sidewalks, and storm sewers in more dense, urban ...

A Freeway or Interstate is a divided highway with full control of access and two or more through lanes for the exclusive use of traffic in each direction. ...