Effective for Lettings on or after September 1, 2023 thru August 31, 2025
- 2024 Standard Specifications
- 2024 Standard Specifications [with shown highlighted editorial (teal) and approved (yellow) changes]
- Revisions to the 2022 Standard Specifications
INDOT does not provide hard copies of the Standard Specifications outside of the Department.
There are 2 outside groups who may have copies of the Specifications available for purchase:
- Indiana Constructors, Inc. (ICI) at 317-634-7547.
- American Council of Engineering Companies (ACEC) at 317-637-3563.