▁build ▁the ▁New ▁York ▁T unnel ▁Ext ension ▁and ▁share ▁a ▁Manh attan ▁terminal ▁at ▁Pennsylvania ▁Station , ▁which ▁opened ▁in ▁ 1 9 1 0 . ▁Also ▁in ▁ 1 9 1 0 , ▁the ▁Long ▁Beach ▁Branch ▁was ▁extended ▁west ward ▁from ▁ ▁to ▁, ▁further ▁integr ating ▁it ▁with ▁the ▁L IR R ▁Atlantic ▁Branch ▁and ▁the ▁PR R ' s ▁new ▁Manh attan ▁terminal . ▁The ▁line ▁was ▁double - track ed ▁from ▁Valley ▁Stream ▁to ▁Lyn bro ok ▁in ▁late ▁ 1 9 1 0 , ▁then ▁from ▁East ▁Rock away ▁to ▁W reck ▁Le ad ▁(" W L ") ▁on ▁January ▁ 1 5 , ▁ 1 9 2 7 . ▁Elect r ification ▁of ▁the ▁main ▁tracks ▁from ▁Valley ▁Stream ▁to ▁Long ▁Beach ▁was ▁finished ▁in ▁September ▁ 1 9 1 0 , ▁with ▁the ▁fre ight ▁sid ings ▁being ▁elect r ified ▁between ▁ 1 9 2 8 ▁and ▁ 1 9 3 0 . ▁This ▁upgrade ▁coinc ided ▁with ▁the ▁PR R ' s ▁elect r ification ▁and ▁grade ▁separation ▁of ▁multiple ▁sub urban ▁lines . ▁Color ▁light ▁signals ▁were ▁installed ▁in ▁January ▁ 1 9 2 7 ; ▁they ▁were ▁later ▁replaced ▁by ▁PR R - style ▁position ▁light ▁signals . ▁ ▁M TA ▁take over ▁On ▁January ▁ 2 0 , ▁ 1 9 6 5 , ▁the ▁State ▁of ▁New ▁York ▁announced ▁its ▁intent ions ▁to ▁purchase ▁the ▁L IR R ▁from ▁the ▁PR R . ▁The ▁was ▁to ▁be ▁operated