noun
Keikyū Main Line
Proper noun referring to the Keikyū Main Line, a railway line operated by Keikyu Corporation in the Tokyo area.
京急本線で品川から横浜まで行きます。
I go from Shinagawa to Yokohama on the Keikyū Main Line.
Abbreviation of 京浜急行本線 (Keihin Kyūkō Honsen), the formal name of the line.