KnowraKorailLinked fromLinked fromThe 3 pages that link to Korail, each with the reason it gives.All 3Related 2Compared with 1Seoul Metropolitan SubwayRelated: Korail operates many suburban and through-running services included in the network.DaejeonRelated: Its headquarters reflect Daejeon’s longstanding role in the national rail network.Busan MetroCompared with: Korail operates rail services that connect with, but are distinct from, the metro.