▁ 1 5 ▁miles ▁from ▁Douglas ▁to ▁Port ▁Er in . ▁The ▁railway ▁station ▁is ▁on ▁the ▁n ort he aster ly ▁edge ▁of ▁the ▁town ▁next ▁to ▁P ou ls om ▁Park ▁and ▁playing ▁fields , ▁and ▁was ▁at ▁one ▁time ▁used ▁to ▁transport ▁be er ▁from ▁the ▁Cast let own ▁Bre wer y ▁as ▁well ▁as ▁cattle ▁and ▁other ▁liv est ock ; ▁rem n ants ▁of ▁the ▁cattle ▁dock ▁are ▁still ▁visible ▁at ▁the ▁railway ▁station , ▁which ▁is ▁open ▁season ally ▁between ▁March ▁and ▁November ▁as ▁well ▁as ▁at ▁week ends ▁around ▁Christmas ; ▁there ▁is ▁a ▁small ▁volunte er ▁group , ▁the ▁Fri ends ▁of ▁Cast let own ▁Railway ▁Station , ▁who ▁tend ▁to ▁the ▁area ▁in ▁association ▁with ▁the ▁Is le ▁of ▁Man ▁Ste am ▁Railway ▁Supp or ters ' ▁Association , ▁a ▁local ▁char ity . ▁ ▁Air ▁The ▁island ' s ▁only ▁commercial ▁air port , ▁Ron ald s way ▁Airport , ▁is ▁ 2   km ▁( just ▁over ▁one ▁mile ) ▁n ortheast ▁of ▁the ▁town ▁and ▁is ▁served ▁by ▁both ▁Bus ▁V ann in ▁and ▁Cast let own ▁railway ▁station ▁as ▁well ▁as ▁local ▁tax i ▁services . ▁There ▁is ▁a ▁closer ▁railway ▁station ▁at ▁Ron ald s way . ▁The ▁air port ▁run ways ▁and ▁apr ons ▁spread ▁over ▁the ▁area ▁to ▁the ▁edge ▁of ▁the ▁grounds ▁of ▁King ▁William ' s ▁College ▁and ▁close ▁to ▁the ▁Jan et ' s ▁Cor ner ▁local ▁authority ▁housing ▁estate . ▁The ▁air port