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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.

Roadway Safety

Crashes occur due to a combination of factors related to the roadway user, the vehicle, and the roadway. All of these factors must be considered when developing projects or programs with the intent to enhance safety and reduce fatalities and serious injuries. The department's safety related initiatives were developed and are refined with this in mind and are consistent with the Strategic Highway Safety Plan. The information is categorized by activities in Engineering, Education, Enforcement, Emergency Services and Evaluation for your convenience. The goal is not only to showcase how we work to fulfill our mission, but also to demonstrate how all of our partners and stakeholders can get involved and partner with us to Drive Zero Fatalities to a Reality.

To view summary crash data reports, please navigate to Illinois Roadway Crash Data.