An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Number
Excel | CSV
Structurally deficient Functionally obsolete Total Interstate 1,760 5,675 27,875 Other freeways or expressways 985 3,368 16,112 Other principal...(Quadrillion BTU)
Excel | CSV | Graphic Version
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Residential 16.9 17.4 17.3 18.1 18.1 18.5 19.5 18.9 18....(Current dollars)
Excel | CSV
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Bus 0.14 0.15 0.15 0.15 0.17 0.17 0.18 0.18 0.20 0.20...Index: 1991 = 1.00
Excel | CSV | Graphic Version
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 CO 1.00 0.95 0.90 0.86 0.81 0.76 0.74 0.71 0....(Chained 1996 dollars)
Excel | CSV | Graphic Version
Year Revenue per RPM 1993 0.15 1994 0.14 1995 0.14 1996 0.15 1997 0.15 1998 0.15 1999 0....(Percent)
Excel | CSV | Graphic Version
CO NOx VOCs PM-10 Highway gasoline 92.9 41.7 74.7 27.1 Highway diesel 1.4 37.5 3.6 37.8 Aircraft 5.1 0.8 0.3 0....(Number of flights)
Excel | CSV | Graphic Version
1996 1997 1998 1999 2000 2001 2002 On-time flights 3,989,281 4,218,165 4,156,980 4,207,293 4,130,185 4,619,234 4...(Billions of chained 1996 dollars)
Excel | CSV | Graphic Version
2000 Highway 79,202 Transit 11,436 Air 19,552 Water 3,320 Pipeline...(Millions)
Excel | CSV | Graphic Version
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Bus 18,104 17,494 17,364 17,195 17,024 16,802 17,509 17,874 18,684...(Millions of current dollars)
Excel | CSV | Graphic Version
Type of cost Cost Market productivity 60,991 Property damage 59,036 Medical costs 32,622 Travel delay 25...