Doing Business

The IDOT website is one of our primary ways that we communicate with our business partners. Through a series of subscription services, we offer business partners, specifically construction firms and design firms, the opportunity to sign up to receive emails that communicate doing business with IDOT as a contractor.

If you are interested in highway construction topics, please visit the Construction Stay Connected webpage.

If you are an interested firm that specializes in a variety of land acquisition services, please visit the Land Acquisition Stay Connected webpage.

If you are an interested engineering, architectural or professional services firm, please visit the Engineering, Architectural, & Professional Services Stay Connected webpage.

If you are interested in receiving information on upcoming excess property auctions or upcoming sales opportunities, please visit the Sales: Property Auctions webpage.

If you are interested in receiving information on IDOT CADD support or updates or changes that are made to the CADD files, please visit the Roadway CADD Downloads and Guidelines webpage and click on Stay Connected.

If you are an interested Material Supplier or Producer, please visit the Material Producers and Suppliers webpage to subscribe to any number of these lists.

If you are interested in receiving notifications all upcoming excess IDOT property auctions, please visit the Excess Property Sales webpage to subscribe.

If you are interested in receiving information about Type, Size, and Location (TSL) drawings, Technical Manuals, Bridge CADD Support, Guide Bridge Special Provisions (GBSP) files, and All Bridge Designers (ABD) memos, please visit the Stay Connected \ Bridge Support section of the Bridge and Structures webpage. 

If you are interested in bridge inspection information, FHWA 23 Metrics, NHI and IDOT training courses, updates to Section 3 of the Structural Services Manual, and other bridge related web-pages please visit the Stay Connected \ National Bridge Inventory section of the Bridge and Structures webpage.