1-1 The Transportation Network: 2006
1-1 The Transportation Network: 2006
| Mode | Components |
|---|---|
| Highway (2005) | |
| Public roads | 46,871 miles of Interstate highway 115,502 miles of other National Highway System roads 3,849,259 miles of other roads |
| Air | |
| Public-use airports | 5,233 airports |
| Airports serving large certificated carriers (enplaned passengers) | 26 large hub areasa (67 airports), 487 million passengers 37 medium hub areas (62 airports), 141 million passengers 67 small hub areas (83 airports), 53 million passengers 924 nonhub areas (959 airports), 23 million passengers |
| Rail (2005) | |
| Miles of railroad operated | 95,664 miles by Class I freight railroads in the United Statesb 15,388 miles by regional freight railroads 29,197 miles by local freight railroads 23,000 miles by Amtrak (passenger)c |
| Urban transit (2005) | |
| Directional route-milesd | Bus: 168,639e Trolley bus: 429 Commuter rail: 4,450 Heavy rail: 1,601 Light rail: 1,091 |
| Stations | Commuter rail: 1,164 Heavy rail: 1,042 Light rail: 730 |
| Water (2005) | |
| Navigable channels | 26,000 miles |
| Ferry routes | 639 directional route miles |
| Commercial waterway facilitiesa | |
| Great Lakes | 600 deep-draft 154 shallow-draft |
| Inland | 2,321 shallow-draft |
| Ocean | 4,398 deep-draft 1,926 shallow-draft |
| Locks | 257 |
| Pipeline (2005) | |
| Miles of oil pipe | Crude lines: 60,043 Product lines: 71,310 |
| Miles of gas pipe | Transmission: 296,400 Distribution: 1,117,800 |
a See Glossary for definitions.
b There are also 1,368 miles of railroad operated within the U.S. Class I freight railroad system that are owned by Canadian railroads.
c The Amtrak mileage includes the 745 miles of trackage it owns and route-miles operated on on freight railroad tracks.
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: Various sources, as cited in USDOT, RITA, BTS, National Transportation Statistics, available at http://www.bts.gov; Association of American Railroads, Railroad Facts, 2006 (Washington, DC: 2006); USDOT, Federal Highway Administration, Highway Statistics 2005 (Washington, DC: 2006), table HM-18; Oil & Gas Journal, Sept. 11, 2006; USDOT, Federal Transit Administration, 2005 National Transit Summaries and Trends, tables 21, 23, and 24, available at http://www.ntdprogram.com/ntdprogram/pubs.htm; USDOT, RITA, BTS, "Airport Activity Statistics of Certificated Air Carriers, Summary Tables, 12 Months Ending Dec. 31, 2006," 2006; U.S. Army Corps of Engineers, Institute for Water Resources, Navigation Data Center, The U.S. Waterway System Facts, February 2007 (Alexandria, VA: 2007).