Traffic patterns in New-York, the slowest U.S. city
In Brooklyn, the average travel time was 35 minutes and 29 seconds for a 6-mile trip.
Ranking: Top 10 U.S. cities with the highest congestion levels
The congestion level of a city measures the relative increase in all travel times recorded over the year, compared with reference travel times, which are those observed in the same city when traffic is completely free-flowing.
| City | State | Average Annual Congestion Level (%) | ||
2024 | 2023 | diff. | |||
1. | Los Angeles | CA | 43 | 42 | +4.3 % |
2. | Honolulu | HI | 34 | 33 | +3.7 % |
3. | Miami | FL | 33 | 30 | +11.0 % |
4. | Fort Myers | FL | 32 | 30 | +7.0 % |
5. | San Francisco | CA | 32 | 30 | +6.0 % |
6. | Tampa | FL | 32 | 28 | +13.1 % |
7 | Chicago | IL | 31 | 28 | +9.9 % |
8. | Seattle | WA | 31 | 28 | +11.4 % |
9. | Providence | RI | 31 | 21 | +48.8 % |
10. | Atlanta | GA | 31 | 28 | +9.2 % |
Traffic patterns in Los Angeles, the most congested U.S. metropolitan area
In the Santa Monica area, the average annual congestion level was above 52%.
Ranking: Top 10 U.S. cities who lost the most time due to peak-hour congestion
For each city, TomTom calculated the average total travel time for a commuter who covered a typical 6-mile journey twice a day during morning and evening peak hours, and the total time lost over 2024 due to congestion.
City | State | Hours lost due congestion | Total travel time at peak hours | ||||
2024 | 2023 | diff. | 2024 | 2023 | diff. | ||
New York | NY | 94 hrs | 89 hrs | 5.5 % | 275 hrs | 270 hrs | 2.1 % |
San Francisco | CA | 81 hrs | 77 hrs | 4.7 % | 239 hrs | 234 hrs | 2.1 % |
Los Angeles | CA | 71 hrs | 68 hrs | 3.8 % | 165 hrs | 162 hrs | 1.9 % |
Honolulu | HI | 71 hrs | 67 hrs | 5.2 % | 187 hrs | 183 hrs | 2.1 % |
Chicago | IL | 63 hrs | 60 hrs | 5.0 % | 182 hrs | 178 hrs | 2.3 % |
Miami | FL | 60 hrs | 56 hrs | 8.2 % | 160 hrs | 155 hrs | 3.7 % |
Boston | MA | 59 hrs | 55 hrs | 8.7 % | 160 hrs | 154 hrs | 3.7 % |
Washington | DC | 57 hrs | 54 hrs | 6.2 % | 171 hrs | 167 hrs | 2.4 % |
Seattle | WA | 51 hrs | 48 hrs | 8.1 % | 150 hrs | 146 hrs | 2.7 % |
Providence | RI | 51 hrs | 33 hrs | 53.5 % | 136 hrs | 116 hrs | 17.4 % |