Table 3-3 Estimated Annual Congestion Delay and Costs: 2000, 2010 and 2011
Year | 2000 | 2005 | 2010 | 2011 | Percent change, 2000 to 2011 |
---|---|---|---|---|---|
Travel Time Index | 1.19 | 1.23 | 1.18 | 1.18 | -0.8 |
Delay per commuter (hours) | 38.7 | 43.1 | 37.6 | 38.0 | -1.8 |
Total delay (billion hours) | 4.5 | 5.9 | 5.5 | 5.5 | 22.7 |
Commuters (millions) | 87.3 | 102.5 | 110.3 | 111.5 | 27.6 |
Fuel wasted (billion gallons) | 2.4 | 3.2 | 2.9 | 2.9 | 20.5 |
Total cost (billion, 2011 U.S. Dollars) | 94.2 | 98.2 | 120.0 | 121.2 | 28.7 |
NOTES: Includes 498 urban areas: 15 very large urban areas (population over 3 million), 32 large urban areas (population over 1 million but less than 3 million), 33 medium urban areas (population over 500,000 but less than 1 million), 21 small urban areas (population less than 500,000), and 397 other urban areas. Travel Time Index is the ratio of the travel time during the peak travel period to the time required to make the same trip at free-flow speeds.
SOURCE: Texas Transportation Institute, 2012 Urban Mobility Report, available at mobility.tamu.edu/ums, accessed March 2015.