5-4,,,, Employment in Transportation and Selected Transportation-Related Industriesa ,,,, ,1990,1995,2000,2005 Total U.S. labor force (nonfarm),"109,487 ","117,298 ","131,785 ","133,463 " Total transportation related labor forceb,"12,084","12,450","13,679",U Transportation as a percent of U.S. total,11,11,10,U For-hire transport & warehousing,"3,476","3,838","4,410","4,347 " Air,529,511,614,501 Water,57,51,56,61 Railroad,272,233,232,228 Transit/ground passenger transportation ,274,328,372,389 Pipeline,60,54,46,38 Trucking,"1,122","1,249","1,406","1,393 " Support activities,364,430,537,551 Scenic/sightseeing transportation,16,22,28,30 Couriers/messengers,375,517,605,572 Warehousing/storage,407,444,514,585 Related services & construction,"5,256","5,577","6,177",U Automotive repair services/parking; automotive equipment rental/leasing; gasoline stations ,"1,800","1,906","2,125","2,062 " "Highway, street, bridge construction ",289,278,340,352 "Dealers or wholesalers of motor vehicles, parts, petroleum, supplies, equipment","1,993","2,119","2,360","2,396 " Travel arrangement/reservation services,250,281,299,224 Ambulatory health care services,99,143,173,207 Postal service,825,850,880,U Transportation-related manufacturingc,"2,681","2,390","2,446","2,139 " Governmentb,673,644,646,602 a Annual averages. Data are NAICS-based. (See Glossary for definition.) ,,,, b Fiscal year data. Includes U.S. DOT and state and local highway personnel. ,,,, "c Includes transportation equipment; petroleum products; tires; rubber; plastics; search, detection, navigation, guidance, aeronautical, and nautical systems; and instrument manufacturing.",,,, Key: U=Unavailable,,,, "Source: Various sources as cited in USDOT, RITA, BTS, National Transportation Statistics, table 3-19b, available at http://www.bts.gov, as of October 2006.",,,,