▁traffic . ▁Sw ing ▁Bridge ▁ ▁United ▁States ▁ ▁Al aska ▁ ▁Anton ▁Anderson ▁Memorial ▁T unnel ▁- ▁a ▁road - ra il ▁tunnel ▁ ▁California ▁ ▁I ▁Street ▁Bridge ▁car ries ▁two ▁tracks ▁of ▁Am tra k / Union ▁Pacific ▁Rail road ▁and ▁two ▁lan es ▁of ▁State ▁Route ▁ 1 6 ▁between ▁Sac r amento ▁and ▁West ▁Sac r amento . ▁ ▁San ▁Francisco – O ak land ▁Bay ▁Bridge ▁carried ▁two ▁tracks ▁of ▁Key ▁System ▁between ▁San ▁Francisco ▁and ▁Oak land ▁from ▁ 1 9 3 6 ▁until ▁ 1 9 6 3 . ▁ ▁Mare ▁Island ▁C ause way ▁is ▁a ▁lift ▁bridge ▁that ▁links ▁Mare ▁Island ▁to ▁Valle jo , ▁California , ▁carrying ▁a ▁rail road ▁track ▁and ▁a ▁street . ▁Pit ▁River ▁Bridge ▁across ▁Lake ▁Sh asta - ▁ 4 ▁lan es ▁of ▁Inter state ▁ 5 ▁and ▁also ▁Union ▁Pacific ▁Rail road ▁ ▁Florida ▁ ▁Ac osta ▁Bridge ▁– ▁Car ries ▁two ▁mon or ail ▁tracks ▁for ▁the ▁J TA ▁Sky way ▁and ▁six ▁lan es ▁of ▁State ▁Road ▁ 1 3 ▁in ▁Jackson ville . ▁ ▁Illinois ▁ ▁Lake ▁Street ▁Bridge ▁– ▁rail ▁on ▁upper ▁deck ▁( CT A ▁Green ▁& ▁P ink ▁Line ) ▁road ▁on ▁lower ▁deck , ▁bas c ule ▁bridge . ▁ ▁McK in ley ▁Bridge ▁– ▁rail ▁removed ▁in ▁ 1 9 7 8 . ▁ ▁Well s ▁Street ▁Bridge ▁– ▁rail ▁on ▁upper ▁deck ▁( CT A ▁Brown ▁& ▁Pur ple ▁Line ▁Express ), ▁road ▁on ▁lower ▁deck ,