U.S. Department of Energy - Energy Efficiency and Renewable Energy
Vehicle Technologies Office
Fact #291: October 27, 2003
Traffic Congestion, 2001
In areas with more than 3 million people, 76% of travel in 2001 was in congested conditions, according to the Texas Transportation Institute. In 1982, those same areas had only 45% of travel in congested conditions. Areas with less than half a million people experienced only 30% of travel in congested conditions, which still was nearly three times the rate in 1982.
Share of Travel in Congested Conditions, 2001
Supporting Information
Share of Travel in Congested Conditions, 2001
| |
1982 |
1990 |
2001 |
| Population > 3 million |
0.45 |
0.66 |
0.76 |
| Population between 1 & 3 million |
0.24 |
0.47 |
0.65 |
| Population between 1/2 & 1 million |
0.17 |
0.30 |
0.49 |
| Population less than 1/2 million |
0.11 |
0.18 |
0.30 |
|
Source: Texas Transportation Institute, The 2003 Annual Urban Mobility Report, September 2003.
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