Bulletins and Manuals
You cannot buy this manual anymore through the CDOT Bid Plans Office. You can only download them here for free.
Updated on April 16, 2026
The Colorado Department of Transportation (CDOT) Construction Manual is the construction operational manual for CDOT. It defines the criteria and procedures to be used by engineering personnel in the administration of construction contracts. The Manual was prepared and is maintained by the Area Engineers in the Construction Engineering Services Branch under the authority of, and at the direction of, the Chief Engineer. The Manual follows the general outline of the Standard Specifications. Suggestions or comments for improvement, correction, or inclusion of material in the Manual are welcome. Please forward comments to the Area Engineers in the Construction Engineering Services Branch. This manual is only available as a download and cannot be purchased.
Updated on Jan. 23, 2025
The main purpose of the 2022 CDOT Local Agency Project Desk Reference (formerly called the Local Agency Manual) is to assist Local Agency personnel (a public agency, local public agency, established public owned organization, or private interest that can legally enter into an agreement with CDOT for a transportation project) involved in the design, construction and management of State and Federally funded projects. The Desk Reference is also recommended for CDOT personnel who manage Local Agency projects.2022 CDOT Local Agency Manual.
Information on designing and engineering bicycle and pedestrian facilities.
Bridge Design Manual, Bridge Detail Manual, Metric Bridge Geometry Manual, Bridge Rating Manual, Pontis Bridge Inspection Coding Guide
These websites are all about CDOT's MicroStation, InRoads, and ProjectWise programs, and processes for Highway Engineering Design.
Established in 1949, the Colorado Department Of Transportation Library provides CDOT employees, engineers, and researchers with transportation-related resources and information. Our collection is a combination of both print and electronic resources including technical reports, journals, books, and databases.
IMPORTANT NOTICE: The Field Materials Manuals, Pavement Design Manuals, Laboratory Manual of Test Procedures, and WAQTC Manuals are on the Materials and Geotechnical Manuals website.
Right of Way Manual
The information provided in this Crash Cushion and End Treatment Selection Guide is issued by the Project Development Branch to aid designers in the proper selection and use of the hardware.
Various Federal & State of Colorado Traffic Manuals. Traffic Guidelines and Information. Safety and Crash Data Reports. Federal Hazard Elimination and Railroad Crossing Protection Programs. Lane Closure Strategies and Work Zone Safety.
