▁operate ▁through ▁the ▁town ▁to ▁Douglas , ▁Port ▁St ▁Mary ▁and ▁Port ▁Er in ▁using ▁route ▁numbers ▁ 1 , ▁ 2 , ▁ 1 1 ▁and ▁ 1 2 ; ▁these ▁run ▁about ▁every ▁twenty ▁minutes ▁on ▁week days ▁and ▁S atur days ▁with ▁a ▁less ▁frequent ▁service ▁at ▁week ends ▁and ▁after ▁ 6 . 0 0 ▁pm . ▁Some ▁of ▁these ▁services ▁( 1 c ▁and ▁ 1 1 b ) ▁do ▁not ▁run ▁through ▁the ▁town ▁but ▁use ▁the ▁by pass ▁road . ▁These ▁routes ▁are ▁the ▁island ' s ▁bus iest , ▁in ▁part ▁because ▁they ▁also ▁serve ▁Ron ald s way ▁Airport ▁just ▁outside ▁the ▁town . ▁A ▁late ▁evening ▁service ▁also ▁oper ates ▁on ▁Friday ▁and ▁Saturday ▁even ings , ▁called ▁the ▁H ull ad ▁O ie ▁( N ight ▁O w l ), ▁which ▁charges ▁prem ium ▁fare ▁rates . ▁There ▁are ▁also ▁occas ional ▁bus es ▁to ▁Pe el ▁( Service ▁No . ▁ 8 ) ▁via ▁Fox dale ; ▁all ▁these ▁bus es ▁are ▁within ▁the ▁island ' s ▁transport ▁network ▁Bus ▁V ann in , ▁a ▁government - run ▁service ▁which ▁replaced ▁the ▁railway - oper ated ▁Is le ▁of ▁Man ▁Road ▁Services ▁in ▁ 1 9 7 6 . ▁ ▁Railway ▁The ▁town ▁is ▁also ▁served ▁by ▁Cast let own ▁railway ▁station , ▁on ▁the ▁sole ▁remaining ▁section ▁of ▁the ▁Is le ▁of ▁Man ▁Railway , ▁a ▁ 3   ft ▁narrow ▁gauge ▁steam - oper ated ▁railway ▁which ▁now ▁runs