1-1 The Transportation Network: 2008

1-1 The Transportation Network: 2008

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Mode Components
Highway (2007)  
Public roads 46,934 miles of Interstate highway
116,813 miles of other National Highway System roads
3,884,777 miles of other roads
Air  
Public-use airports 5,202 airports
Airports serving large certificated carriers (enplaned passengers) 25 large hub areasa (71 airports), 479 million passengers
38 medium hub areas (65 airports), 142 million passengers
70 small hub areas (87 airports), 54 million passengers
893 nonhub areas (927 airports), 22 million passengers
Rail (2007)  
Miles of railroad operated 94,313 miles by Class I freight railroads in the United Statesb
16,930 miles by regional freight railroads
28,891 miles by local freight railroads
21,708 miles by Amtrak (passenger)c
Urban transit  
Directional route-milesd Bus: 150,899e
Trolley bus: 456e
Commuter rail: 3,876Heavy rail: 1,603
Light rail: 1,252
Stations Commuter rail: 1,189
Heavy rail: 1,041
Light rail: 787
Water  
Navigable channels: 25,320 miles (2007)
Ferry routes: 682 directional route-miles
Commercial waterway facilitiesa  
Great Lakes: 600 deep-draft,
154 shallow-draft
Inland: 2,321 shallow-draft
Ocean: 4,466 deep-draft,
2,043 shallow-draft
Lock chambers: 257
Pipeline  
Miles of oil pipe Total oil: 169,322
Miles of gas pipe Transmission: 298,993
Distribution: 1,205,991

a See Glossary for definitions. b There are also 561 miles of railroad operated within the U.S. Class I freight railroad system that are owned by Canadian railroads. c Approximately 97% of the trackage on which Amtrak operates is owned by freight railroads. d Directional route-miles includes only directly-operated service. Does not include contracted service. e Includes directional route-miles on exclusive right-of-way, controlled right-of-way, and mixed traffic.

Sources: HighwayUSDOT, FHWA, Highway Statistics 2007 (Washington, DC: 2009), table HM-18. AirPublic-use airports: FAA as cited in USDOT, RITA, BTS, National Transportation Statistics, tables 1-03, available at http://www.bts.gov as of December 2009. Airports serving large certificated carriers: USDOT, RITA, BTS, Airport Activity Statistics of Certificated Air Carriers, Summary Tables, October 2009. RailAssociation of American Railroads, Railroad Facts 2008. TransitUSDOT, Federal Transit Administration, National Transit Database 2008, tables 21, 23, and 24. Water: Commercial waterway facilitiesU.S. Army Corps of Engineers, Institute for Water Resources, Navigation Data Center, The U.S. Waterway System Facts, December 2007 (Alexandria, VA: 2008). Navigable channelsU.S. Army Corps of Engineers as cited in USDOT, RITA, BTS, National Transportation Statistics, table 1-1, available at http://www.bts.gov as of October 2009. PipelinePHMSA as cited in USDOT, RITA, BTS, National Transportation Statistics, table 1-10, available at http://www.bts.gov as of January 2010.