Construction Specifications

To submit a new or revision to a specification, complete Form 1215

To submit a Proprietary Item, complete Form 1381, Proprietary Item – Certifications or Finding In the Public Interest (FIPI)

2025 Construction Specifications

The 2025 Standard Specification book is mandatory for use on projects advertised on or after July 1, 2025.

2023 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.

Issuance of the 2024 Standard Specifications for Road and Bridge Construction book

To request a copy of the 2019, 2021, or 2022 Construction Specifications book.