Illinois Department of Transportation, Erica Borggren, Acting Secretary
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Patrick J. Quinn, Governor
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I-57/I-74 Interchange Reconstruction


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Project Overview

The “cloverleaf” type interchange which connects Interstate 57 and Interstate 74 in Champaign County, originally designed in 1958 and constructed in 1965, is experiencing safety and traffic operational issues due to deficient geometric features. I-57 is a four-lane Class I truck route carrying an average of 33,600 vehicles per day of which 9,400 are trucks. I-74 is also a four-lane Class I truck route carrying and average of 38,400 vehicles per day of which 8,500 are trucks.

A Phase I design study of the interchange, funded in 2012 by the Illinois Jobs Now program, is currently being developed by the Illinois Department of Transportation (IDOT). The study, which began in May 2012 and is expected to be completed in the spring of 2015, will comply with the requirements of the National Environmental Policy Act of 1969. The study will document the need for an improvement, propose and evaluate several design alternatives that account for future transportation needs, and ultimately culminate in a single recommended design. The recommended design will provide safer and more efficient transportation at the interchange by eliminating deficient geometric features and increasing traffic capacity. Evaluation criteria that are used to determine the recommended design include

  • Roadway Safety Performance
  • Roadway Operational, Geometric, and Capacity Characteristics
  • Environmental and Social Impacts
  • Economics
  • Public Input

IDOT and the Federal Highway Administration (FHWA) are the lead agencies in the planning process and will use these criteria to make the final decision on the recommended design. The completed Phase I design study prepared by IDOT must be approved by the FHWA before the project plans and specifications can be completed during Phase II.

Phase II, which includes plan preparation, land acquisition, utility relocation, and environmental mitigation, typically takes 2-3 years to complete after the phase I study is approved. Phase III, the construction phase, can consist of several construction seasons for a large project. Phase II and phase III for the I-57 and I-74 interchange project are currently not funded.

The main objectives of this webpage are to keep the public abreast of the project status as well as receive their input. Visit the Resources page for more detailed project information. Visit the Public Involvement page for information on how to get involved.

The Department appreciates your input and thanks you for your interest in this project.
 

 


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