For journalists & researchers
Every figure on this page is drawn from official public sources — the Illinois Department of Transportation (IDOT) and Chicago Vision Zero / CDOT reporting — and is attributed inline. This page is free to cite; please credit LawMachine with a link back. The most recent complete year of official data is 2023.
Illinois: statewide (2023)
Total traffic fatalities in Illinois (2023)
Source: IDOT
Fatal crashes statewide (2023)
Source: IDOT
Total motor-vehicle crashes statewide (2023)
Source: IDOT
People injured in crashes statewide (2023)
Source: IDOT
Chicago (2023)
Traffic deaths in Chicago (2023) — the highest annual total in a decade
Source: CDOT / reporting
Fatal crashes within Chicago (2023)
Source: IDOT
Total crashes within Chicago (2023)
Source: IDOT
What the numbers show
- Illinois traffic deaths remain above pre-pandemic levels, with 1,240 lives lost statewide in 2023.
- Chicago's 186 traffic deaths in 2023 were reported as the city's highest annual total in a decade.
- The vast majority of crashes are non-fatal but still cause injury — statewide, tens of thousands of people are hurt on the roads each year.
- The city concentrates its safety work on a High Crash Network, where fatal and serious-injury crashes cluster — the basis for our interactive corridor maps.
Explore our related maps & data
- Interactive map: Chicago's official High Crash Corridors (Vision Zero).
- Interactive map: Chicago's high bicycle-crash streets.
- Interactive map: Chicago's high pedestrian-crash streets.
- Chicago & Illinois car accident statistics hub.
Source & methodology
- Illinois Department of Transportation (IDOT) — annual Illinois Crash Facts & Statistics (2023), the state's official crash dataset.
- City of Chicago — Vision Zero Chicago / Chicago Department of Transportation reporting and the Chicago Data Portal Traffic Crashes dataset.
- Figures reflect the most recent complete year of official data (2023). We update this page when the next official annual data is released.
- We report only figures published by these official sources; we do not estimate, project, or interpolate numbers.
Always confirm against the primary IDOT and City of Chicago sources for the exact, most current figures.
Injured in a Chicago crash?
If you or a loved one was hurt in a traffic crash, call (312) 222-0202 for a free, no-obligation consultation. You pay nothing unless we win.