The 2025 Standard Specification book is mandatory for use on projects advertised on or after July 1, 2025. The State of Colorado works to provide equitable access to all Coloradans. If you need accommodations for this document, please use the Accessibility Request Form or email our ADA Title II Coordinator, Suri Bahr, at [email protected]. You can also leave a detailed voicemail message at 303-512-4220. For more information, visit our CDOT accessibility webpage.
Construction Specifications
The 2023 Standard Specification book is mandatory for use on projects advertised on or after October 1, 2023. Non-CDOT employees will have to print and assemble this Specification book.
