Chicago's Most Dangerous Intersections

Harm per crash

Chicago's Most Dangerous Intersections

Crash counts mostly measure traffic. This ranks every major junction by the harm an average crash there does.

Injury severity vs city average

0.4× safer2.5× worst

Basemap

Map Layers

NeighborhoodsAll 77 community areas, scored the same way Arterial roadsEvery class-2 arterial, block by block Injury harmWhere the human damage concentrates All ranked junctions599 corners that cleared the crash floor Top 20Dot size = the metric you're viewing

Injury severity — harm per crash vs the city average

Safercity averageWorst

Click any junction for its ten-year record, or anywhere else for that neighborhood's profile.

Chicago's Most Dangerous Intersections · Zayed Law Offices
Crashes: City of Chicago Open Data, 2016–2025 · Junctions: Chicago Street Center Lines
Basemap: CARTO / Esri · Roads: OpenStreetMap · All figures measured within 250m of the named junction.

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Download everything (ZIP) Map image (PNG) Top 20 table (PNG) Top 20, all three rankings (CSV) All 599 ranked junctions (CSV) Method, credit and how to use it (TXT)

Chicago's Most Dangerous Intersections