In Canada, Toronto (No. 9) and Ottawa (No. 10) also made the top 10 most congested list. Also in the Top 10 were Miami (No. 3), Seattle (No. 4), Tampa (No. 5) and San Francisco (No. 6).

1. TOP 10 CONGESTED CITIES IN NORTH AMERICA

2. Los Angeles, Congestion Level 33%

3. Vancouver, Congestion Level 30%

4. Miami, Congestion Level 26%

5. Seattle, Congestion Level 25%

6. TAMPA, Congestion Level 25%

7. San Francisco, Congestion Level 25%

8. Washington, Congestion Level 24%

9. Houston, Congestion Level 23%

10. Toronto, Congestion Level 22%

11. Ottawa, Congestion Level 21%