00987nas 2200313 450 991071297910332120200226092807.0(CKB)5470000002498399(OCoLC)1141858723(EXLCZ)99547000000249839920200226a20169999 ua engur|||||||||||txtrdacontentcrdamediacrrdacarrierTransportation economic trendsWashington, DC :U.S. Department of Transportation, Bureau of Transportation Statistics,[2016]-1 online resource (volumes) illustrations, mapsTransportationUnited StatesStatisticsStatistics.lcgftTransportationUnited States.Bureau of Transportation Statistics,GPOGPOJOURNAL9910712979103321Transportation economic trends3338234UNINA