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Welcome to IDOT's new website design! The address for some web pages has changed, so be sure to update any saved favorites as needed.

Consultant Resources

The following manuals, guides, specifications, and forms are provided to help you do business with IDOT.

Materials

Approved Labs

If you are interested in becoming or working with an approved lab that performs material testing on behalf of IDOT please choose from the following: CementConcreteSoils.

Pay Item/Material Conversion Report

The following is a listing of pay item unit of measure to material code unit conversion factors in pay item order.

Qualified Product Lists

To view all qualified product lists click here.

Forms