|Air carrier, domestic, scheduled service||Class I, intercity bus||Transit, all modes (unlinked)||Commuter rail||Amtrak, intercity rail|
KEY: U = Data are unavailable.
NOTES: Class I bus includes regular route intercity service. Air carrier average passenger fare (round trip) is from O and D Traffic Survey data, DB1B-Ticket data.
SOURCES: Air carrier and Bus: Research and Innovative Technology Administration, Bureau of Transportation Statistics; Transit: Federal Transit Administration; Commuter rail: Federal Transit Administration and American Public Transportation Association; Intercity rail: National Railroad Passenger Corporation (Amtrak) and Association of American Railroads as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 3-15a, available at http://www.bts.gov/publications/national_transportation_statistics as of January 2010.