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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Agency Alert

Welcome to the new IDOT home page.  Our location has changed, please update any bookmarks.


In order to effectively carry out its mission, the department’s professional services, construction, and specialized material needs are advertised continually. All of these procurements and related business processes are governed by law. Please utilize the left hand navigation menu or links below to learn more about IDOT business processes related to that particular procurement, including prequalification, advertisements, policies, guidelines, and much more.

The Chief Procurement Office

The Chief Procurement Officer for Highway Construction is responsible for overseeing all construction related procurement activity at IDOT. Section 15-1 of the Illinois Procurement Code requires the Chief Procurement Officer to provide information to the public concerning IDOT's procurement's and procurement-related activities. Information includes, but is not limited to, awards, change orders, land purchases, reports to the General Assembly, contractor suspensions, DBE waivers, conflict of interest statements, and emergency procurement's. Please click here for more information on procurement-related activities. You can also visit the Chief Procurement Office webpage.

Please click here to visit the Procurement Policy Board's webpage.

Please click here to view Notices including Prohibited Political Campaign Contributions.

Non-Construction Related Procurements

IDOT is only authorized to handle construction related procurements. You will find new procurement information, including solicitation opportunities and notices of award, on BidBuy.
BidBuy is the CPO-GS' e-procurement system and may be found at