Data
Top Categories
CTA revises ridership upward by 19 million trips after methodology update
The updated data also revealed significant increases in what the agency now categorizes as "underpaid" rides, or trips where riders either paid reduced fares, insufficient fares, or no fares at all.
May 12, 2026
Key findings from CDOT’s annual Chicago Traffic Crashes report
The Chicago Department of Transportation's recently released annual Chicago Traffic Crashes report looks at data from the past several years and discusses the agency's plan of action to reduce prevent serious and fatal crashes.
November 25, 2025
Why the States With the Worst Distracted Driving Laws Have the Least Distracted Driving
The states with the highest rates of distracted driving per mile aren't always the states that report the most distraction-related crashes, or the ones with the most lax distraction laws, a new report finds — and it could be a sign that America needs a broader set of tools to fight the deadly epidemic.
May 3, 2023
Advocates Urge Feds Not To Weaken Already-Weak Crash Reporting Guidelines
A new set of federal crash reporting guidelines could actually encourage cities to collect less data about the systemic factors behind the national traffic violence epidemic by treating basic information about road design at crash sites as optional.
May 1, 2023
Visualizing how current Chicago infrastructure fails people walking and biking
Changing the status quo will take political courage, and it might inconvenience some drivers, but it will definitely save lives.
September 20, 2022
Despite a 400% fleet increase, total scooter use dropped in this year’s pilot
In contrast, Divvy bike-share ridership has stayed relatively strong during the crisis.
December 11, 2020
Lime Says 65,124 Miles Were Ridden on Their Scooters in Chicago Since June 15
Lime estimates that 19,537 vehicle miles have been avoided in Chicago since the pilot launch, and 800 gallons of gas saved, but that doesn't factor in the gas burned picking up, recharging, and redistributing the vehicles.
July 30, 2019
The Most Common Chicago Ride-Hailing Trip Is a 1-Mile Hop From River North to the Loop
The most common types of ride-hailing trips are short, downtown jaunts, many of which could easily be done by more sustainable modes.
April 18, 2019
Emanuel: Chicago Is Now the First U.S. City to Publish Detailed Ride-Hailing Data
The anonymized data will provide a better sense of Uber's and Lyft's impacts on the local transportation network and help the city plan and legislate accordingly.
April 12, 2019
How Bike Lane Uprising Is Helping to Document Chicago’s Blocked Bikeway Problem
The site makes it easy for citizens to report bike lane blockages, and hold repeat offenders accountable.
October 18, 2018
