|1977||1995||Percentage change 1977-95|
|Resident population (thousands)||219,760||262,761||20|
|Annual local person trips (travel day) (millions)1||211,778||378,930||79|
|Annual long-distance person trips, domestic (millions)||521||1,001||92|
|Local person trips per capita, one way (per day)1||2.9||4.3||47|
|Long-distance trips per capita, roundtrip (per year)||2.5||3.9||56|
|Local person-miles (millions)1||1,879,215||3,411,122||82|
|Long-distance person-miles (millions)||382,466||826,804||116|
|Local person-miles per capita1 (annually)||9,470||14,115||49|
|Long-distance person-miles per capita, domestic (annually)||1,796||3,129||74|
|Local mean trip length (miles)||8.9||9.0||1|
|Long-distance mean trip length, domestic (miles)||733||826||13|
NOTES: Data used for local travel are from the travel-day file and include trips of all lengths made by respondents on a single day. About 95 percent of these trips were 30 miles or less. Per capita calculations are based on population estimates within each survey, and not from Census Bureau estimates reported here.
SOURCES: U.S. Department of Transportation, Bureau of Transportation Statistics, American Travel Survey data, October 1997.
U.S. Department of Commerce, Census Bureau, National Travel Survey, Travel During 1977 (Washington, DC: 1979).
_____. Statistical Abstract of the United States 1998 (Washington, DC: 1998).
U.S. Department of Transportation, Federal Highway Administration, Summary of Travel Trends: 1995 Nationwide Personal Transportation Survey, draft, 1999.