(Chained 2000 $)
|Air carrier, domestic, scheduled service||138.96||138.27||138.65||135.45||123.18||112.42||117.94||119.18||114.14||113.74||112.60||114.73||124.53||121.38||119.86||120.39||121.27||121.07||123.03||122.32||124.41||125.93||125.62||124.38|
|Class I bus, intercitya||17.71||18.57||20.46||18.70||22.63||16.36||23.31||24.08||22.93||23.87||22.16||23.22||25.91||23.51||24.79||27.36||29.46||29.31||28.26||U||U||U||U||U|
|Transit, all modesb (unlinked)||1.02||1.01||0.92||0.97||0.75||0.84||0.86||0.87||0.85||0.88||0.96||0.97||0.94||0.89||0.91||0.91||0.93||0.89||0.85||0.86||0.85||0.84||0.87||U|
|Intercity rail / Amtrakd||30.30||27.73||19.15||60.29||49.86||46.85||(R) 51.98||(R) 52.66||51.40||(R) 49.85||(R) 46.63||(R) 46.51||(R) 47.51||49.59||47.87||48.33||49.61||49.18||50.72||47.09||(R) 50.83||(R) 51.87||52.36||55.78|
KEY: R = revised; U = data are unavailable.
a Regular route intercity service.
b Prior to 1984, excludes commuter railroad, automated guideway, urban ferryboat, demand responsive, and most rural and smaller systems.
c This category is now deflated using the mass transit deflator instead of the intercity rail deflator used in previous editions.
d Amtrak began operations in 1971.
This table is deflated using data from the Department of Commerce, Bureau of Economic Analysis, National Income and Product Accounts tables, Table 2.4.4 . Lines 84, 83, 79, 79 and 82 are used respectively to deflate their corresponding rows.
Air carrier, domestic, scheduled service:
1960: Civil Aeronautics Board, Handbook of Airline Statistics, 1969 (Washington, DC: February 1970), part III, table 2 (enplanements); part IV, table 2 (passenger revenue).
1965-70: Ibid., Handbook of Airline Statistics, 1973 (Washington, DC: March 1974), part III, table 2 (enplanements); part IV, table 2 (passenger revenue).
1975-80: Ibid., Air Carrier Financial Statistics (Washington, DC: Annual December issues), p. 1, line 3; and Air Carrier Traffic Statistics (Washington, DC: Annual December issues), p. 2, line 16 (passenger revenue / revenue passenger enplanements).
1985-2007: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information, Air Carrier Financial Statistics (Washington, DC: Annual December issues); and Air Carrier Traffic Statistics (Washington, DC: Annual December issues) (passenger revenue / revenue passenger enplanements).
Class I bus, intercity:
1960-93: Interstate Commerce Commission, Transport Statistics in the United States, Motor Carriers (Washington, DC: Annual issues), part 2.
1994-2002: U.S. Department of Transportation, Bureau of Transportation Statistics, Selected Earnings Data, Class I Motor Carriers of Passengers (Washington, DC: Annual issues) (operating revenue / revenue passengers).
Transit and commuter rail:
1960-2006: American Public Transportation Association, Public Transportation Fact Book (Washington, DC: Annual Issues), table 49 and similar tables in earlier editions (passenger fares / passenger trips).
Intercity rail / Amtrak:
1960-70: Association of American Railroads, Railroad Facts (Washington, DC: Annual Issues).
1975-80: Amtrak, State and Local Affairs Department and Public Affairs Department, personal communication.
1985: Amtrak, Amtrak Annual Report, Statistical Appendix (Washington, DC: Annual Issues) (transportation revenues / Amtrak system passenger trips).
1990-2007: Amtrak, Amtrak Annual Report, Statistical Appendix (Washington, DC: Annual issues) (ticket revenue per passenger mile multiplied by average trip length of passengers), available at http://www.amtrak.com/ as of May 12, 2009.