細さい街がい路ろ

noun

narrow back road (under 4m wide)

Legal/administrative term for a road narrower than 4 meters, often used in urban planning or traffic regulations.

• この地ち域いきには細さい街がい路ろが多おおく、消しょう防ぼう車しゃの進しん入にゅうが難むずかしい。

  This area has many narrow back roads, making it difficult for fire trucks to enter.

• 細さい街がい路ろでは一いっ方ぽう通つう行こうの規き制せいがよく見みられる。

  One-way traffic restrictions are common on narrow backstreets.