TomTom's Largest-Ever Traffic Index Uncovers Increased Congestion and Slower Speeds on U.S. Roads in 2024

 

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.

Traffic patterns in New-York, the slowest U.S. city

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%.

Traffic patterns in Los Angeles, the most congested U.S. metropolitan area

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 %





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