Illinois Department of Transportation, Erica Borggren, Acting Secretary
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Traffic Projections

IDOT counts traffic on major roadways on a regular basis. PDF files require Acrobat Reader, click the button below to download it for free.

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The existing traffic is shown below. (PDF file is 3,677 KB)

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Existing traffic couts, click for larger view

Using this information and anticipated traffic growth factor IDOT has projected the number of vehicles anticipated to be using the roadway in the
design year 2035. The projected traffic is shown below. (PDF file is 3,677 KB)

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Traffic Projections in year 2035 Click for larger view

I-39/U.S. 20 Improvement Project

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