▁US ▁ 1 0 1 ▁on ▁the ▁east ▁side ▁along ▁the ▁bay , ▁Inter state ▁ 2 8 0 ▁down ▁the ▁center , ▁Sky line ▁Bou lev ard ▁( SR ▁ 3 5 ) ▁along ▁the ▁cr est ▁of ▁the ▁Santa ▁Cruz ▁Mountains , ▁and ▁SR ▁ 1 ▁on ▁the ▁west ▁along ▁the ▁Pacific , ▁and ▁SR ▁ 8 5 ▁which ▁forms ▁the ▁southern ▁end ▁of ▁the ▁Pen ins ula . ▁The ▁C alt rain ▁comm uter ▁rail ▁line ▁runs ▁roughly ▁parallel ▁to ▁the ▁El ▁Cam ino ▁Real ▁( State ▁Route ▁ 8 2 ) ▁and ▁Highway ▁ 1 0 1 ▁cor rid ors . ▁ ▁Major ▁high ways ▁▁▁ ▁Inter state ▁ 8 0 ▁▁ ▁Inter state ▁ 2 8 0 ▁▁ ▁Inter state ▁ 3 8 0 ▁▁ ▁U . S . ▁Route ▁ 1 0 1 ▁▁ ▁State ▁Route ▁ 1 ▁▁ ▁State ▁Route ▁ 9 ▁▁ ▁State ▁Route ▁ 3 5 ▁▁ ▁State ▁Route ▁ 8 2 ▁▁ ▁State ▁Route ▁ 8 4 ▁▁ ▁State ▁Route ▁ 8 5 ▁▁ ▁State ▁Route ▁ 9 2 ▁▁ ▁State ▁Route ▁ 1 0 9 ▁▁ ▁State ▁Route ▁ 1 1 4 ▁▁ ▁State ▁Route ▁ 2 3 7 ▁ ▁The ▁brid ges ▁in ▁the ▁Pen ins ula ▁include ▁the ▁D umb art on ▁Bridge , ▁the ▁San ▁Francisco ▁- ▁Oak land ▁Bay ▁Bridge , ▁the ▁San ▁Mate o - H ay ward ▁Bridge ▁and ▁the ▁Golden ▁Gate ▁Bridge . ▁▁ ▁Al ong ▁the ▁center ▁line ▁of ▁the ▁Pen ins ula ▁is