沿線(えんせん)

えんせん
noun
along a railway line
transportationgeography
1. along a railway line, area along a train line
The areas and neighborhoods located along a particular railway line.
沿線(えんせん)に住(す)んでいる。
I live along the train line.
中央線(ちゅうおうせん)沿線(えんせん)で家(いえ)を探(さが)している。
I'm looking for a place to live along the Chuo Line.
There are many famous cherry blossom spots along this line, and it gets crowded with flower viewers in spring.

Usage: Very common in real estate, commuting, and travel contexts in Japan. Often used with a specific line name: 〜線(せん)沿線(えんせん).

Common collocations

Culture: In Japanese cities, neighborhoods are often identified by which train line they're on. Real estate ads frequently specify the railway line, making 沿線(えんせん) a key concept for apartment hunting.