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The County of DuPage
Wheaton, Illinois

Public Information

The following are reports and documents published by the department for public review.  These documents are current versions and may be downloaded and reproduced.  Please be advised that the Department is not responsible for misinterpretation or misuse of the data included in these documents. 

75th Street - Lyman Avenue to Exner Road Road Improvements Study

DuPage County is presently considering improvements to 75th Street from Lyman Avenue to Exner Road/Williams Street in the Village of Downers Grove and City of Darien.  The Division of Transportation began design on this section of road in the spring of 2018.  The following is information related to the project schedule and the proposed improvements at the conclusion of the Design Engineering phase. 

DuPage County Comprehensive Road Improvement Plan and Land Use Assumptions

The DuPage County Division of Transportation is required by State Law to periodically update Land Use Assumptions and the Comprehensive Road Improvement Plan which is informed by these assumptions. DuPage County is required to publish the Land Use Assumptions prior to a Public Hearing.  The link to the 2015-2025-2040 Land Use Assumptions Public Hearing document is located below.

The Public hearing for the Land Use Assumptions will be held at DuPage County on May 31st from 4p to 8p in Room 3500-A.  Comments on the document and on development in DuPage County will be accepted in writing either at the meeting or by Friday, June 1, at 4:00p. 

For any questions, please contact John Loper , Chief of Transportation Planning, at 630/407-6882, or at

DuPage County Long Range Transportation Plan

DuPage County is in the process of producing its first Long Range Transportation Plan.  Information about the Plan, stakeholder involvement, ways to become involved in the Plan, Plan schedule and expected outcomes, please refer to the project website at or contact Plan Manager John Loper at

Updated 02/07/2019