▁Broadway – Se vent h ▁Avenue ▁Line ▁runs ▁under ▁and ▁over ▁Broadway ▁from ▁Times ▁Square ▁to ▁ 1 6 8 th ▁Street ▁( ), ▁and ▁again ▁from ▁ 2 1 8 th ▁Street ▁to ▁its ▁terminal ▁in ▁the ▁Bron x ▁at ▁Van ▁Cort land t ▁Park – 2 4 2 nd ▁Street ▁( ). ▁ ▁The ▁northern ▁portion ▁of ▁the ▁IN D ▁E ighth ▁Avenue ▁Line ▁runs ▁under ▁Broadway ▁from ▁Dy ck man ▁Street ▁to ▁In wood – 2 0 7 th ▁Street ▁( ). ▁ ▁Early ▁street ▁rail ways ▁on ▁Broadway ▁included ▁the ▁Broadway ▁and ▁Se vent h ▁Avenue ▁Rail road ' s ▁Broadway ▁and ▁University ▁Place ▁Line ▁( 1 8 6 4 ?) ▁between ▁Union ▁Square ▁( 1 4 th ▁Street ) ▁and ▁Times ▁Square ▁( 4 2 nd ▁Street ), ▁the ▁N inth ▁Avenue ▁Rail road ' s ▁N inth ▁and ▁Amsterdam ▁Aven ues ▁Line ▁( 1 8 8 4 ) ▁between ▁ 6 5 th ▁Street ▁and ▁ 7 1 st ▁Street , ▁the ▁Fort y - second ▁Street , ▁Manh attan ville ▁and ▁St . ▁Nicholas ▁Avenue ▁Railway ' s ▁Broadway ▁Branch ▁Line ▁( 1 8 8 5 ?) ▁between ▁Times ▁Square ▁and ▁ 1 2 5 th ▁Street , ▁and ▁the ▁Kings bridge ▁Railway ' s ▁Kings bridge ▁Line ▁north ▁of ▁ 1 6 9 th ▁Street . ▁The ▁Broadway ▁Sur face ▁Rail road ' s ▁Broadway ▁Line , ▁a ▁cable ▁car ▁line , ▁opened ▁on ▁lower ▁Broadway ▁( below ▁Times ▁Square ) ▁in ▁ 1 8