5 Most Congested Highways in America

2. Chicago, IL: I-290 at I-90/I-94

Peak Average Speed: 18.2 Miles Per Hour  

Non-peak Average Speed: 25.3 Miles Per Hour

Interstate 290 (I-290) is another auxiliary Interstate Highway that runs westward from the Jane Byrne Interchange near the Chicago Loop. The Circle Interchange in Chicago is deemed one of the most congested intersections in the US. The peak average speed on the highway was recorded at 18.2 miles per hour which is relatively low.