25 US cities with worst traffic in 2025: Chicago beats NYC for top spot — Full list here
A recent study by INRIX’s 2025 Global Traffic Scorecard revealed that Chicago is the most congested city in the US, surpassing New York City. Rising housing costs, lagging infrastructure upgrades, and a drop in public transit use have contributed to the city’s traffic woes, with residents wasting three full workdays in gridlock.