▁Cho ice ▁Lane , ▁south ▁of ▁the ▁Baltimore ▁National ▁C emetery , ▁and ▁ends ▁at ▁Frederick ▁Road ▁after ▁travel ing ▁on ▁several ▁local ▁streets ▁in ▁Dow nt own ▁Cat ons ville . ▁The ▁trail ▁connect s ▁the ▁neighborhood ▁of ▁Parad ise ▁to ▁Cat ons ville ' s ▁Central ▁Business ▁District ▁by ▁using ▁the ▁abandoned ▁right - of - way ▁of ▁the ▁Baltimore ▁and ▁Pot om ac ▁Railway . ▁This ▁portion ▁of ▁the ▁B & P ▁Railway ▁was ▁known ▁as ▁the ▁" Short ▁Line ", ▁sp urr ing ▁off ▁the ▁main ▁line ▁at ▁Saint ▁Ag nes ▁Station . ▁ ▁Baltimore ▁& ▁Pot om ac ▁Rail road ▁Const ruction ▁on ▁the ▁Baltimore ▁& ▁Pot om ac ▁Rail road ▁( B & P ) ▁began ▁on ▁December ▁ 6 , ▁ 1 8 8 3 , ▁at ▁an ▁estimated ▁price ▁of ▁$ 3 7 , 0 0 0 . ▁As ▁Cat ons ville ▁expanded , ▁the ▁City ▁and ▁Sub urban ▁Electric ▁Company ▁began ▁construct ing ▁an ▁electric ▁line ▁from ▁Baltimore ▁along ▁Frederick ▁Road ▁to ▁Cat ons ville . ▁When ▁Street car ▁# 9 ▁was ▁completed ▁in ▁ 1 8 9 7 , ▁passenger ▁rid ership ▁on ▁the ▁Short ▁Line ▁dimin ished ▁significantly . ▁This ▁resulted ▁in ▁a ▁def ic it ▁in ▁operating ▁re venue ▁for ▁the ▁B & P ▁causing ▁them ▁to ▁dis continue ▁passenger ▁service ▁in ▁ 1 8 9 8 . ▁ ▁Cat on ▁& ▁L oud on ▁Railway ▁The ▁B & P ▁had ▁not ▁released ▁their ▁claims ▁as ▁related ▁to ▁fre ight ▁traffic