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Illinois Route 3 Project

Welcome to the official site for the Illinois Route 3 improvement project in Waterloo, Illinois. Here you will find the latest project updates, public involvement opportunities, and project data.

We sincerely hope that you will partner with us on this project to help to make it a success. Feedback and questions received along the way from the public is highly encouraged. If you would like to be placed on our mailing list to receive project information and our newsletter, please visit the "Newsletter" page.

Project Description

This project will study the improvement of Illinois Route 3 from Vandebrook Drive to North Market Street in Waterloo, Illinois, for a total project distance of approximately 4.3 miles. Alternatives will be developed and studied for improving the roadway.

The Illinois Department of Transportation is pleased to announce the IL Route 3 in Waterloo Project Report was completed and signed in June of 2012. If you would like to review the approved IL Route 3 Project Report text portion and plan/profile drawings of the project report, please click here. To view a full copy of the final report, please contact:

Illinois Department of Transportation
Attn: Ms. Karen Geldert
1102 Eastport Plaza Drive
Collinsville, Illinois 62234


Construction Image 1The Illinois Department of Transportation (IDOT) is widening 3.5 miles of Illinois Route 3 from 2 lanes to 5 lanes in Waterloo, IL. The work is being performed under two contracts, Vandebrook Drive Relocation and IL 3 Widening. The first contract consists of the relocation of Vandebrook Drive. The second contract consists of the work associated with widening Illinois 3 from 2 to 5 lanes and the construction of a roundabout at the intersection of Illinois Route 156 and Lakeview Drive.

The Vandebrook Drive relocation project is a $3.6 million dollar project that was on the January 18, 2013 letting. Construction began on July 8, 2013 and is expected to be completed by the winter of 2014.

The Illinois Route 3 Waterloo bypass lane addition project is a $17.6 million dollar project that was on the June 14, 2013 letting. The start of construction has not begun as utilities are currently being relocated. This project is expected to be completed by the fall of 2016.

Please see the construction page for periodic updates to the progress of the construction and to find out more information concerning contracts specifics. The Illinois Department of Transportation wishes to thank you for your support and patience.


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