▁a ▁margin ▁of ▁safety ▁over ▁interest ▁as ▁small ." ▁The ▁company ▁was ▁again ▁re organ ized ▁as ▁the ▁Philadelphia ▁and ▁Western ▁Rail road ▁in ▁ 1 9 4 6 . ▁It ▁was ▁sold ▁to ▁the ▁Philadelphia ▁Sub urban ▁Transport ation ▁Company ▁in ▁ 1 9 5 4 ; ▁P ST ▁was ▁nick named ▁the ▁Red ▁Ar row ▁L ines , ▁and ▁merged ▁into ▁SE P TA ▁in ▁ 1 9 7 0 . ▁ ▁For ▁a ▁number ▁of ▁years , ▁inter urban ▁equipment ▁of ▁the ▁Le high ▁Valley ▁Trans it ▁operated ▁on ▁the ▁P & W ▁from ▁Nor rist own ▁to ▁the ▁ 6 9 th ▁Street ▁Terminal . ▁The ▁L V T ▁ran ▁north ▁from ▁Nor rist own ▁through ▁L ans dale , ▁Sou der ton , ▁Per k as ie , ▁and ▁Qu ak ert own ▁to ▁All ent own . ▁L V T ▁inter urb ans ▁used ▁an ▁overhead ▁t rol ley ▁for ▁operating ▁power ▁but ▁were ▁equ ipped ▁with ▁third ▁rail ▁sho es ▁to ▁operate ▁on ▁the ▁P & W . ▁In ▁ 1 9 3 9 , ▁the ▁L V T ▁purchased ▁a ▁group ▁of ▁light weight ▁high ▁speed ▁cars ▁known ▁as ▁" Red ▁Dev ils " ▁from ▁the ▁def unct ▁Ohio ▁inter urban ▁C inc inn ati ▁and ▁Lake ▁Er ie , ▁and ▁they ▁ran ▁from ▁ 6 9 th ▁Street ▁to ▁All ent own ▁as ▁" L iber ty ▁Bell ▁Limited s ." ▁The ▁L V T ▁abandoned ▁operation ▁in ▁ 1 9 5 1 .