Table 12 , U.S.-Mexican Border Land-Passenger Gateways: 1999, Land gateway,Entering the U.S. All U.S.-Mexican gateways, All personal vehicles,"83,638,656" All personal vehicle passengers,"242,613,249" All buses,"295,429" All bus passengers,"3,495,414" All train passengers,"16,535" All pedestrians,"48,186,155" Personal vehicles行top 5 gateways, "El Paso, TX","16,001,926" "San Ysidro, CA","15,269,561" "Hildago, TX","8,319,581" "Brownsville, TX","7,579,231" "Laredo, TX","6,894,982" Personal vehicle passengers行top 5 gateways, "El Paso, TX","46,397,134" "SanYsidro, CA","33,593,034" "Hildago, TX","29,118,835" "Calexico, CA","20,372,381" "Brownsville, TX","18,948,078" Buses行top 5 gateways, "San Ysidro, CA","108,025" "Hildago, TX","61,550" "Otay Mesa, CA","46,142" "Laredo, TX","31,371" "Brownsville, TX","12,702" Bus passengers行top 5 gateways, "Hildago, TX","1,384,270" "San Ysidro, CA","854,098" "Laredo, TX","379,425" "Otay Mesa, CA","312,342" "Brownsville, TX","145,298" Train passengers行top 5 gateways, "Tecate, CA","7,392" "Eagle Pass, TX","5,756" "Calexico East, CA","1,743" "Nogales, AZ",900 "San Ysidro, CA",384 Pedestrians行top 5 gateways, "Calexico, CA","8,099,253" "San Ysidro, CA","7,558,174" "Laredo, TX","6,764,293" "El Paso, TX","5,666,477" "Nogales, AZ","4,806,076" "Source: U.S. Department of Transportation, Bureau of Transportation Statistics, special tabulation, 2000, based on U.S. Department of the Treasury, U.S. Customs Service, Office of Field Operations, Operations Management database, 1999."