west ▁the ▁villages ▁of ▁Ball ab eg ▁and ▁Col by ; ▁and ▁to ▁the ▁west ▁Port ▁St ▁Mary ▁and ▁Port ▁Er in . ▁ ▁The ▁older ▁parts ▁of ▁the ▁town ▁are ▁largely ▁built ▁of ▁local ▁grey ▁lim estone . ▁At ▁Sc ar lett , ▁a ▁short ▁distance ▁to ▁the ▁south ▁of ▁the ▁town , ▁there ▁are ▁the ▁remains ▁of ▁an ▁ancient ▁vol cano ▁and ▁various ▁other ▁features ▁such ▁as ▁foss ils ▁and ▁thick ▁sheets ▁of ▁lim estone . ▁ ▁Transport ▁ ▁Ro ads ▁The ▁A 3 ▁road ▁connect s ▁Cast let own ▁with ▁Ram sey ▁via ▁St ▁John ' s , ▁while ▁the ▁A 5 ▁road ▁( also ▁known ▁as ▁New ▁Cast let own ▁Road ▁as ▁opposed ▁to ▁the ▁Old ▁Cast let own ▁Road ▁which ▁takes ▁a ▁more ▁rural ▁route ▁near er ▁the ▁coast ) ▁connect s ▁the ▁town ▁with ▁Douglas ▁to ▁the ▁north - east ▁and ▁Port ▁Er in ▁to ▁the ▁west . ▁ ▁The ▁A 2 5 ▁road ▁was ▁the ▁historical ▁route ▁to ▁Douglas ▁and ▁is ▁now ▁by pass ed ▁by ▁the ▁A 5 . ▁There ▁are ▁free ▁electric ▁car ▁charg ing ▁stations ▁available ▁in ▁a ▁car ▁park ▁in ▁the ▁centre ▁of ▁the ▁town . ▁The ▁town ▁has ▁several ▁car ▁par ks ▁including ▁one ▁above ▁the ▁har bour ▁close ▁to ▁the ▁old ▁school ▁house , ▁to ▁the ▁rear ▁of ▁the ▁Castle ▁Ar ms ▁and ▁off ▁Victoria ▁Road ▁as ▁well ▁as ▁dedicated ▁par king ▁for ▁the ▁local ▁bank , ▁super mark ets ▁and ▁the ▁railway ▁station . ▁ ▁B uses ▁Bus ▁services