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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.

5-Year Functional Classification

Please select the appropriate district below.

Key:

UA - Urban Area

Functional Classification County Map

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Functional Classification Township Map

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Functional Classification Urban Area Map

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