Construction Specifications
The older Fuel Cost Adjustment information with Denver UL Diesel daily & average monthly prices from January 2022 through September 2025 is available via the following link: https://www.codot.gov/business/designsupport/construction-specifications/2025-construction-specifications/denver-ultra-low-diesel-daily-and-average-monthly-prices
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.
