Data field · Event

Crash unit count

The number of independently moving roadway units involved in a crash, including vehicles, pedestrians, bicyclists, and other users under source rules.

Who carries it ↓

1Data sources

1Providers

1Free to access

Sources that carry it

1 source

Chicago Police Department

Traffic Crashes — Crashes

Daily crash-grain E-Crash public data for CPD-jurisdiction crashes on Chicago streets. Coverage begins partially in 2015 and is citywide only from September 2017; finalized and amended reports update rows. Officer-recorded conditions are not independently inferred weather.

Free APIFull file Subnational 25 fields

Questions it helps answer

Traffic crash roadway and environmental conditions Traffic crash occurrence and sequence

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