▁Reading ▁was ▁merged ▁into ▁Con ra il , ▁and ▁in ▁ 1 9 8 3 ▁SE P TA ▁took ▁over ▁comm uter ▁rail ▁operations . ▁ ▁Between ▁ 1 9 8 4 ▁and ▁ 2 0 1 0 ▁the ▁route ▁was ▁designated ▁R 8 ▁Fox ▁Ch ase ▁as ▁part ▁of ▁SE P TA ' s ▁diam et rical ▁re organ ization ▁of ▁its ▁lines . ▁Fox ▁Ch ase ▁trains ▁operated ▁through ▁the ▁city ▁center ▁to ▁the ▁Ch est nut ▁Hill ▁West ▁Line . ▁Pl ans ▁had ▁called ▁for ▁the ▁Fox ▁Ch ase ▁Line ▁to ▁be ▁pa ired ▁with ▁a ▁Bry n ▁M aw r ▁local ▁and ▁designated ▁R 4 , ▁but ▁this ▁dep ended ▁on ▁a ▁never - built ▁connection ▁from ▁the ▁Ch est nut ▁Hill ▁West ▁Line ▁to ▁the ▁ex - Read ing ▁near ▁Wayne ▁J unction . ▁, ▁most ▁Fox ▁Ch ase ▁Line ▁trains ▁continue ▁through ▁Center ▁City ▁to ▁the ▁Ch est nut ▁Hill ▁West ▁Line . ▁ ▁SE P TA ▁activ ated ▁positive ▁train ▁control ▁on ▁the ▁Fox ▁Ch ase ▁Line ▁on ▁May ▁ 2 3 , ▁ 2 0 1 6 . ▁ ▁Bey ond ▁Fox ▁Ch ase ▁ ▁Under ▁the ▁Reading ▁Company ▁Bud d ▁Rail ▁Dies el ▁C ars ▁( R DC s ) ▁operated ▁through ▁from ▁the ▁Reading ▁Terminal ▁in ▁dow nt own ▁Philadelphia ▁to ▁New town . ▁The ▁Reading ▁extended ▁elect r ification ▁to ▁Fox ▁Ch ase ▁in ▁ 1 9 6 6 ; ▁limited ▁dies el ▁sh utt les ▁from ▁Fox ▁Ch ase ▁to ▁New