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Independent · Est. 2026
THE PUBLIC RECORD · ORGANISED · SOS.CITY · SOS.cityThe public record of every place, organised.

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VerifiedAPI · Socrata

Chicago Traffic Tracker - Historical Congestion Estimates by Region - 2018-2026 (Chicago)

<b>This dataset is no longer updated.</b> This dataset contains the historical estimated congestion for the 29 traffic regions, starting in approximately March 2018. Older records are in…

Chicago Traffic Tracker - Historical Congestion Estimates by Region - 2018-2026 (Chicago) is published by City of Chicago for Chicago, Illinois. It has an API (Socrata (SODA)); its update schedule isn't stated, last updated 2026-08-06. Reuse: check terms. Check status: verified.

UpdatesNot stated
Last updated2026-08-06
ReuseCheck terms
Get itSocrata (SODA)

About this source

PublisherCity of Chicago
Originalhttps://data.cityofchicago.org/Transportation/Chicago-Traffic-Tracker-Historical-Congestion-Esti/kf7e-cur8 ↗
PlaceChicago, Illinois · city
ShelfTransport
FormatsAPI (Socrata SODA), CSV
Update rateNot stated
Located byNot stated
LicenceSee Terms of Use
CheckedVerified: opened and matched by a person or our reviewer

Cite this source: City of Chicago, “Chicago Traffic Tracker - Historical Congestion Estimates by Region - 2018-2026 (Chicago)”, https://data.cityofchicago.org/Transportation/Chicago-Traffic-Tracker-Historical-Congestion-Esti/kf7e-cur8, last updated 2026-08-06. Listed by SOS.city at https://sos.city/source/1281 (verified).

Use it in your product

# Straight from the publisher's API (no key needed for light use)
curl "https://data.cityofchicago.org/resource/kf7e-cur8.json?$limit=5"
Endpoint as listed by the publisher.
# Through SOS.city: this source and its neighbours, with publisher, licence and check status
curl https://api.sos.city/v1/sources/1281 -H "Authorization: Bearer sos_…"

Same shelf, same place