▁its ▁route : ▁exactly ▁the ▁scheme ▁to ▁which ▁the ▁former ▁Chair man ▁had ▁described ▁as ▁perfect ▁n ons ense ▁only ▁two ▁years ▁before hand . ▁On ▁this ▁occasion , ▁there ▁was ▁no ▁serious ▁opposition ▁to ▁the ▁proposal ▁raised , ▁thus ▁an ▁Act ▁of ▁Parliament ▁author ising ▁this ▁work ▁was ▁passed . ▁However , ▁this ▁outcome ▁had ▁meant ▁that ▁the ▁G & S WR ▁had ▁found ▁itself ▁in ▁the ▁position ▁of ▁having ▁to ▁raise ▁money ▁for ▁the ▁building ▁of ▁the ▁new ▁line , ▁as ▁well ▁as ▁for ▁existing ▁projects ▁such ▁as ▁the ▁quad ru pling ▁of ▁the ▁joint ▁line ▁and ▁the ▁extension ▁of ▁Gil m our ▁Street ▁station ▁at ▁P ais ley ▁simultaneously . ▁ ▁During ▁ 1 8 8 1 , ▁the ▁same ▁year ▁as ▁the ▁canal ' s ▁conversion ▁work ▁been ▁author ised ▁by ▁Parliament , ▁it ▁was ▁perman ently ▁closed ▁to ▁traffic ▁and ▁dra ined ▁in ▁prepar ation ▁for ▁building ▁the ▁railway ▁on ▁top ▁of ▁its ▁former ▁route . ▁The ▁canal ▁had ▁been ▁built ▁as ▁a ▁cont our ▁line , ▁following ▁exactly ▁a ▁particular ▁alt itude ; ▁in ▁this ▁manner , ▁it ▁had ▁avoided ▁the ▁use ▁of ▁lo cks ▁at ▁the ▁exp ense ▁of ▁having ▁to ▁adopt ▁a ▁circuit ous ▁route ▁between ▁its ▁destin ations . ▁During ▁the ▁reconst ruction ▁works , ▁many ▁of ▁the ▁loops ▁and ▁sh ar per ▁turns ▁which ▁had ▁been ▁taken ▁by ▁the ▁course ▁of ▁the ▁canal ▁were ▁e ased , ▁often ▁via ▁the ▁use ▁of ▁earth works , ▁as ▁the ▁higher - speed ▁railway ▁was ▁less