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National

Legacy ID
1581

U.S. Passenger-Kilometers

KEY: N = data do not exist; U = data are not available.

a Data from 2007 were calculated using a new methodology developed by FHWA. Data for these years are based on new categories and are not comparable to previous years. The new category Light duty vehicle, short wheel base replaces the old category Passenger car and includes passenger cars, light trucks, vans and sport utility vehicles with a wheelbase (WB) equal to or less than 121 inches. The new category Light duty vehicle, long wheel base replaces Other 2-axle, 4-tire vehicle and...

Bus Occupant Safety Data

KEY: N = data do not exist, NA = not applicable; R = revised.

aBus includes school, transit, and intercity buses.

Prohibited Items Intercepted at Airport Screening Checkpoints

KEY:  N = data do not exist; R = revised.

a All data for 2002, except enplanements, are for April through December.

b Data for 2008 are up to Aug. 8, 2008 with the exception of Firearms and Incendiaries. TSA has stopped the collection of data on all prohibited items except for Firearms and Incendiaries as of Aug. 8, 2008.

c TSA has only published Firearms data from 2010.