Skip to Main Content


  1. CPO
  2. Department of Transportation


Thank you for visiting the Illinois Department of Transportation (IDOT), Highway Construction, Chief Procurement Office website.  For more information regarding doing business with IDOT procurement opportunities, go to the Doing Business page on the IDOT website

If you are interested in procurement opportunities at IDOT please visit the following bulletin sites: The Notice of Contract Awards Transportation Bulletin contains notice of awards for all procurements advertised in the various Transportation Bulletins.  All awards are located in this location to make it simpler for interested individuals to find them.

The Bureau of Local Roads Contractors Transportation Bulletin 
contains advertisements of procurement opportunities for local agency highway construction contracts. The Construction Contractors Transportation Bulletin-Notice of Letting contains advertisements of procurement opportunities for IDOT highway construction contracts as well as some contracts for the Division of Water Resources at the Department of Natural Resources.

The Consultants Professional Transportation Bulletin
contains advertisements of procurement opportunities for Engineering and Surveying professional services contracts.

The Transportation Procurement Bulletin web page 
features procurement information for the construction and consulting industry, and the general public.  Postings include Invitations to Bid and Request for Proposals from a variety of Bureaus within the Department of Transportation. The site also features important procurement information and links to contract award notices including sole source procurements, emergency purchases, change orders which exceed $30,000, and renewal notices.