noun
conventional train line; non-Shinkansen line
Refers to railway lines other than the Shinkansen (bullet train) network, including local, rapid, and limited express services on older gauge tracks.
新幹線から在来線に乗り換える。
Transfer from the Shinkansen to a conventional train line.
この駅には在来線のホームが二つある。
This station has two platforms for conventional lines.