, . , , , . . : 75 (120 ) , 2000 (809 ) , . 17 , 180 (102,000 ) , 770 (715,000 ) . . (35 MLLW) 35(10) (PANAMAX) 40(12) . 45,000 55,000 60,000 ( ) . 80,000 . , 900(275 ) Stockton Ship Channel( ) . I5 1 . Union Pacific Burlington Northern Santa Fe . , . , 30 2 10 11 . , 15 . , (2 10\11 ), . , , 30,000...