Table 4.
Capacity (veh/h/lane) and free flow speed (km/h) of roads.
| No. | City | Capacity | Free Flow Speed | ||||
|---|---|---|---|---|---|---|---|
| Expressway | Highway | Local Roads | Expressways | Highway | Local Roads | ||
| 1 | San Francisco | 2,200 | 2,000 | 1,400 | 90 | 60 | 40 |
| 2 | Seattle | 2,200 | 2,000 | 1,400 | 90 | 65 | 45 |
| 3 | Portland | 2,200 | 2,000 | 1,400 | 90 | 65 | 45 |
| 4 | Las Vegas | 2,200 | 2,000 | 1,400 | 90 | 60 | 40 |
| 5 | Chicago | 2,000 | 1,900 | 1,400 | 90 | 60 | 40 |
| 6 | New Orleans | 2,200 | 2,000 | 1,400 | 90 | 60 | 40 |
| 7 | Austin | 2,200 | 2,000 | 1,400 | 90 | 65 | 40 |
| 8 | Minneapolis | 2,200 | 2,000 | 1,300 | 90 | 65 | 40 |
| 9 | Dallas | 2,200 | 2,000 | 1,400 | 90 | 65 | 45 |
| 10 | Milwaukee | 2,200 | 2,000 | 1,400 | 90 | 65 | 45 |
| 11 | New York City | 2,200 | 2,000 | 1,400 | 90 | 60 | 40 |
| 12 | Washington | 1,800 | 1,500 | 600 | 60 | 40 | 25 |
| 13 | Boston | 2,200 | 2,000 | 1,300 | 60 | 45 | 30 |
| 14 | Philadelphia | 2,000 | 1,800 | 1,200 | 90 | 60 | 30 |
| 15 | Pittsburgh | 2,200 | 2,000 | 1,200 | 90 | 60 | 30 |
| 16 | Miami | 1,800 | 1,500 | 900 | 65 | 50 | 35 |
| 17 | Atlanta | 2,200 | 2,000 | 1,400 | 70 | 50 | 35 |
| 18 | Phoenix | 2,200 | 2,000 | 1,500 | 90 | 65 | 45 |
| 19 | Denver | 2,000 | 1,800 | 1,300 | 90 | 60 | 35 |
| 20 | Honolulu | 2,200 | 2,000 | 1,400 | 90 | 60 | 40 |