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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.

Industry Support

IDOT has several programs to assist industry partners. See categories below to learn more:

Financial Assistance

To learn more about the DBE Working Capital Revolving Loan Program click here.


Workshops designed to assist transportation industry firms that do business with IDOT or would like to do business with IDOT are held across the state. For more information on upcoming events in your area, please visit IDOT's Event webpage.

Collaboration Opportunities

The Construction Mentor Protégé Program centers on business collaborations between mentor firms and protégé firms (DBE certified) to provide developmental assistance to enhance the protégé’s business and technical capabilities to do more complex work.

What are the benefits of being a mentor?

  • Approved firms will receive a five percent reduction of the DBE goal for a mentored project.

What are the benefits of being a Protégé?

  • Opportunities to develop skill sets that can complement or diversify the protégé firm.
  • Build trust and loyalty between the mentor and protégé.
  • Additional mutually agreed upon benefits from mentors including work that flows from a government or commercial contract through subcontracting or teaming arrangements.

Navigate to Mentor Protégé for more information.