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.
Teragrams of carbon dioxide equivalent
Excel | CSV
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Passenger cars 564.6 577.5 581.7 582.9 590.1 588.2 608.0 619....Index: 1991 = 1.00
Excel | CSV | Graphic Version
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 GDP 1.00 1.03 1.06...Billions of current dollars, except as noted
Excel | CSV
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Transportation-related final demand 666.8 712...Excel | CSV | Graphic Version - Figure 3-1 | Graphic Version - Figure 3-2
Urban areas (≥ 1 million) Population (000) 2001 Travel Time Index 1991-2001 % change...Percent
Excel | CSV | Graphic Version
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 System on-time performance 72 72 76 71 74 79 79 78 75 76 74...Deadweight tons (dwt) per call
Excel | CSV | Graphic Version
1998 1999 2000 2001 2002 Tanker 68,670 67,703 67,551 69,313 69,412 Dry bulk 41,740 41,...Excel | CSV | Graphic Version
Round trip miles SE Air 2,068 60.8 Bus 287 20.6 Personal vehicle 194 2.6 Train 192 20.9 Other 188 9.3 All long-distance...Excel | CSV | Graphic Version
Percent Number (millions) SE (millions) Personal vehicle 89.4 2,336 36.9 Air 7.4 193 6.3 Bus 2.1 55 3.5 Train 0.8 21 2.9 Other 0.2 6...Number of flights
Excel | CSV
1995 1996 1997 1998 1999 2000 2001 2002 2003 On-time flights 4,185,788 3,989,281 4,218,165 4,156,980 4,207,293 4,130,185 4,619,234 4,329,...Current dollars
Excel | CSV
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Bus 0.15 0.15 0.17 0.17 0.18 0.18 0.20 0.20 0.21 0.20 0.19...