鉄てつ道どう網もう

noun

railroad network; railway system

Refers to the entire interconnected system of railway lines, often used in contexts of infrastructure, transportation planning, or geographic coverage.

• 日本にほんの鉄てつ道どう網もうは非ひ常じょうに発はっ達たつしている。

  Japan's railway network is highly developed.

• 新あたらしい路ろ線せんが鉄てつ道どう網もうに加くわわった。

  A new line was added to the railway network.