Where It Happens
Search an address, filter by crash type, compare years, or enter your commute to see every crash hotspot along your route.
Map tiles blocked in this preview
This interactive map renders fully when deployed to GitHub Pages or opened locally. All crash data, markers, corridors, and tools are loaded — they just need a basemap.
The Top 10 Crash Sites
Ranked by total crash volume across Chicago. Freeway interchanges dominate due to high traffic volumes — use the Per Vehicle toggle to normalize by traffic count.
Crash Rates Across the Metro
How each region in Chicago compares on total crashes, fatalities, and behavioral factors.
| Region | Crashes | Fatal | DUI | Speed | Hit & Run | Ped |
|---|
The Calendar of Risk
Crash patterns by hour, day of week, and month across the metro.
Is the Metro Getting Safer?
Three years of Chicago Open Data records show how crashes, fatalities, and behavioral factors are trending across Chicago.
How Bad Are the Crashes?
94 people died on Chicago roads in 2024. The severity breakdown tells us how crashes distribute between fatal, serious, minor, and property-damage-only.
DUI Crashes Across the Metro
591 crashes in 2024 involved alcohol or drug impairment — 0.6% of the total. Late-night hours between midnight and 4am see the highest impairment rates.
Speed Kills Disproportionately
6.7% of crashes involved unsafe speed. Near North has the highest rate at 11.8%.
31.0% of Drivers Flee the Scene
31.0% of crashes are hit-and-run — 29,840 drivers fled the scene. West Side leads at 41.8%.
The Most Vulnerable on Metro Streets
2706 pedestrian crashes and 1998 cyclist crashes across the metro in 2024.
Where This Data Comes From
Chicago Data Portal →
Vision Zero →