Highway Maintenance and Repairs

Work zones on freeways cause an estimated 24 percent of the nonrecurring delays on freeways and principal arterials [1]. According to the Federal Highway Administration, the purpose of maintenance—which includes restoration, resurfacing, minor widening,...

Figure 5-7 - Long-Distance Trips by Purpose and Mode: 2001

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NOTES: Other purpose includes spending the night, giving someone a ride, and responses not elsewhere classified. Excludes trips where purpose was not reported.

Figure 2-6 - Walking as a Share of Daily Person Trips by Selected Purpose and Distance: 2001

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NOTE: Other modes include only number of person-miles and person trips where a mode was reported.

SOURCE: U.S. Department...

Figure 5-6 - Share of Long-Distance Trips by Purpose: 2001

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NOTES: Other purpose includes spending the night, giving someone a ride, and responses not elsewhere classified. Excludes trips where purpose was not reported.

Figure 5-8 - Average Long-Distance Trips per Person by Household Income: 2001

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NOTE: Excludes trips where income was not reported.

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and...

Transportation Capital Stock

Highway-related capital stock (highway infrastructure, consumer motor vehicles, and trucking and warehousing) represented the majority of the nation’s transportation capital stock, $2,432 billion in 2001 (in chained 2000 dollars1). Highway infrastructure...

Railcar Weights

The amount of freight carried by railroads between 1992 and 2002 increased 26 percent (in tons) and 32 percent (by carload) on railcars (figure 4-5). However, on average, the weight of each railcar remained fairly constant. The average weight of a loaded railcar ranged from 62...

Transportation Sector Energy Use

The transportation sector used 17 percent more energy in 2003 than it did in 1993, an average annual growth rate of 1.6 percent. Transportation’s share of the nation’s total energy consumption also grew between 1993 and 2003, from 26 percent...

Figure 8-5 - Crossties Replaced or Added by U.S. Class I Railroads: 1992-2002

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NOTE: Locomotive data are for Class I railroads only. Freight car data cover Class I railroads, other railroads, and private car owners.

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Figure 11-11 - Average Age of Selected Transit Vehicles: 1991-2001

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NOTE: Full-size buses have more than 35 seats.

SOURCES: U.S. Department of Transportation, Bureau of Transportation Statistics, National...