, ▁a ▁Str ath c ly de ▁Pass enger ▁Transport ▁initi ative ▁resulted ▁in ▁the ▁res umption ▁of ▁passenger ▁services ▁between ▁Glasgow ▁Central ▁and ▁a ▁new ▁P ais ley ▁Canal ▁station , ▁along ▁with ▁five ▁intermediate ▁stations , ▁on ▁ 2 7 ▁July ▁ 1 9 9 0 . ▁In ▁the ▁years ▁since ▁its ▁re - launch , ▁additional ▁stations ▁have ▁been ▁built ▁and ▁opened ▁on ▁the ▁route . ▁During ▁ 2 0 1 2 , ▁the ▁entire ty ▁of ▁the ▁line ▁was ▁elect r ified , ▁being ▁furn ished ▁with ▁a ▁ 2 5   k V ▁AC ▁overhead ▁line ▁for ▁electric ▁tra ction . ▁On ▁some ▁occasions ▁through ▁ 2 0 1 8 - 1 9 ▁Class ▁ 3 2 0 ▁and ▁class ▁ 3 1 8 ▁units ▁were ▁used . ▁ ▁History ▁ ▁The ▁Ar d ross an ▁Canal ▁ ▁During ▁the ▁early ▁years ▁of ▁the ▁nin ete enth ▁century , ▁Hugh ▁Mont gom erie , ▁ 1 2 th ▁Earl ▁of ▁E gl inton ▁developed ▁Ar d ross an ▁Har bour ▁at ▁a ▁cost ▁of ▁more ▁than ▁£ 1 0 0 , 0 0 0 : ▁he ▁intended ▁for ▁it ▁to ▁serve ▁as ▁a ▁sea ▁port ▁to ▁serve ▁the ▁nearby ▁city ▁of ▁Glasgow , ▁as ▁the ▁River ▁C ly de ▁was ▁not ▁navig able ▁for ▁large ▁vessels ▁at ▁the ▁time . ▁In ▁ 1 8 0 6 , ▁he ▁obtained ▁Parliament ary ▁authority ▁to ▁construct ▁the ▁Glasgow , ▁P ais ley ▁and ▁Ar d ross an ▁Canal . ▁Mont