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Number (millions)
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Income group Trips per person SE Less than $25,000 5.6 0.24 $25,000 to $49,999 9.0 0.27 $50,000 to $74,999...Billions of current dollars, except as noted
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1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Value added 186.1 193.4 206...Percent
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1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Good condition 79 N N N 79 N 78 79 79 79...Percent
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Structurally deficient Functionally obsolete Interstates 6.1 20.1 Other freeways or expressways 6.1 20.4 Other principal arterials...Billions of current dollars
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1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 State and local 69.8 75.3 79.3 79.2...All classes of service combined, domestic carriers only
Q1: 1995 = 100.0
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Quarter Charleston, SC Colorado Springs, CO Des...Billions of chained 2000 dollars, except as noted
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1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Value added...Gallons
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Mode or source 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Transportation-related 1,624,043 1,440,177 1,893,188...Percent
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Location Passengers, cars, buses, and light trucks Heavy single-unit trucks 3- and 4-axle combination trucks 5-axle or...Number per 100,000 revenue vehicle-miles
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1995 1996 1997 1998 1999 2000 Motor bus 28 27 27 29 28 28 Light rail 32 26...