▁Road ▁slow ing ▁traffic , ▁forced ▁the ▁line ' s ▁abandon ment . ▁ ▁On ▁November ▁ 2 9 , ▁ 1 9 7 7 , ▁t rol ley ▁bus es ▁replaced ▁dies el ▁bus es ▁on ▁route ▁ 7 4 ▁M t . ▁Ple asant ▁and ▁followed ▁the ▁former ▁street car ▁route ; ▁thus , ▁the ▁Mount ▁Ple asant ▁t rol ley ▁bus es ▁used ▁the ▁street car ▁loop ▁and ▁platforms ▁at ▁St . ▁Cla ir ▁station ▁rather ▁than ▁the ▁bus ▁terminal . ▁The ▁t rol ley ▁bus es ▁operated ▁out ▁of ▁the ▁E gl inton ▁Gar age , ▁the ▁site ▁being ▁used ▁today ▁as ▁the ▁E gl inton ▁station ▁bus ▁terminal . ▁ ▁In ▁ 1 9 7 8 , ▁the ▁Earl sc ourt ▁and ▁St . ▁Cla ir ▁street car ▁routes ▁were ▁merged ▁as ▁the ▁ 5 1 2 ▁route . ▁With ▁the ▁introduction ▁of ▁the ▁CL R V , ▁street car ▁destination ▁signs ▁showed ▁a ▁route ▁number ▁instead ▁of ▁a ▁route ▁name . ▁With ▁this ▁change , ▁St . ▁Cla ir ▁station ▁served ▁only ▁one ▁street car ▁route , ▁although ▁some ▁ 5 1 2 ▁street c ars ▁continued ▁to ▁be ▁signed ▁as ▁termin ating ▁at ▁L ans d ow ne ▁Avenue ▁during ▁the ▁r ush ▁hours . ▁ ▁On ▁December ▁ 2 8 , ▁ 1 9 9 1 , ▁the ▁t rol ley ▁bus es ▁on ▁route ▁ 7 4 ▁M t . ▁Ple asant ▁were ▁replaced ▁by ▁dies el ▁bus es , ▁which ▁again ▁used ▁the