架か空くう鉄てつ道どう

noun

elevated railway; overhead railway

Refers to a railway built on an elevated structure, such as a viaduct or bridge, rather than at ground level or underground.

• この街まちには古ふるい架か空くう鉄てつ道どうがまだ残のこっている。

  An old elevated railway still remains in this city.