20 Most Congested Cities in North America

2. Boston, Massachusetts 

Hours Lost per Driver: 134 

According to a report by Inrix, a transportation data company, Boston had the second-worst traffic congestion in the United States and the fourth-worst globally in 2022. The study found that Boston drivers lost an astonishing 134 hours of their lives sitting in traffic last year, a significant increase of 56 hours from 2021 as more workers returned to offices. In 2023, the average time it took to travel 10 km in Boston increased by 20 seconds compared to the previous year.