京けい王おう線せんけいおうせんMeanings1nounKeiō LineserviceA railway line in Tokyo operated by Keiō Corporation, connecting Shinjuku with western suburbs.京けい王おう線せんで新しん宿じゅくから調ちょう布ふまで行いきます。I go from Shinjuku to Chōfu on the Keiō Line.
