VerifiedAPI · Socrata
Chicago Traffic Tracker - Historical Congestion Estimates by Region - 2018-2026 (Chicago)
UpdatesNot stated
Last updated2026-08-06
Get itSocrata (SODA)
ReuseCheck terms
Transport · Illinois
Filter and exportTransport records for Illinois
10 official transport sources published in Illinois, from City of Chicago, Chicago Police Department and Chicago Transit Authority, plus 10 that cover it from above. Each links to the original, with its update rate and whether we've opened it.
10
100%
100%
10
Published in Illinois
VerifiedAPI · Socrata
Chicago Traffic Tracker - Historical Congestion Estimates by Segment - 2018-2023 (Chicago)
UpdatesNot stated
Last updated2025-05-15
Get itSocrata (SODA)
ReuseCheck terms
VerifiedAPI · Socrata
CTA - Ridership - 'L' Station Entries - Daily Totals (Chicago)
UpdatesNot stated
Last updated2026-09-28
Get itSocrata (SODA)
ReuseCheck terms
VerifiedAPI · Socrata
CTA - Ridership - Daily Boarding Totals (Chicago)
UpdatesNot stated
Last updated2026-09-28
Get itSocrata (SODA)
ReuseCheck terms
VerifiedAPI · Socrata
Parking Permit Zones (Chicago)
UpdatesDaily
Last updated2026-10-20
Get itSocrata (SODA)
ReuseCheck terms
VerifiedAPI · Socrata
Roadway Construction Moratoriums (Chicago)
UpdatesDaily
Last updated2026-10-22
Get itSocrata (SODA)
ReuseCheck terms
VerifiedAPI · Socrata
Towed Vehicles (Chicago)
UpdatesNot stated
Last updated2026-10-24
Get itSocrata (SODA)
ReuseCheck terms
VerifiedAPI · Socrata
Traffic Crashes - Crashes (Chicago)
UpdatesDaily
Last updated2026-10-23
Get itSocrata (SODA)
ReuseCheck terms
VerifiedAPI · Socrata
Traffic Crashes - People (Chicago)
UpdatesDaily
Last updated2026-10-23
Get itSocrata (SODA)
ReuseCheck terms
VerifiedAPI · Socrata
Traffic Crashes - Vehicles (Chicago)
UpdatesDaily
Last updated2026-10-23
Get itSocrata (SODA)
ReuseCheck terms
Covering Illinois from above
VerifiedBulk file
NHTSA Car Seat Inspection Station API
UpdatesNot stated
Last updatedNot stated
Get itBulk download
ReuseCheck terms
VerifiedBy address
Bridge condition (National Bridge Inventory)
UpdatesYearly
Last updated2025
Get itWeb page or PDF
ReuseCheck terms
VerifiedBy address
NHTSA Fatality Analysis Reporting System (FARS)
UpdatesYearly
Last updatedNot stated
Get itWeb page or PDF
ReuseCheck terms
VerifiedAPI · Own
Mobility Database
UpdatesNot stated
Last updatedNot stated
Get itOwn API
ReuseCheck terms
VerifiedAPI · OwnBy address
Transitland REST API
UpdatesNot stated
Last updatedNot stated
Get itOwn API
ReuseCheck terms
Verified
FTA National Transit Database (NTD)
UpdatesMonthly
Last updated2026
Get itWeb page or PDF
ReuseCheck terms
Verified
FAA Airport Master Records (Form 5010)
UpdatesNot stated
Last updated2019-02-28
Get itWeb page or PDF
ReuseCheck terms
VerifiedAPI · Own
Mobility Database (GTFS, GTFS Realtime, GBFS catalogue)
UpdatesLive or continuous
Last updatedNot stated
Get itOwn API
ReuseCheck terms
VerifiedAPI · Own
Work Zone Data Exchange (WZDx) feed registry
UpdatesNot stated
Last updatedNot stated
Get itOwn API
ReuseCheck terms
VerifiedAPI · ArcGIS
National Transportation Atlas Database (NTAD)
UpdatesNot stated
Last updated2026
Get itArcGIS REST
ReuseCheck terms