National Route 177 is a national highway in Japan connecting Kyoto Maizuru Port (Maizuru, Kyoto) and Maizuru, Kyoto. Its total length is 0.7 km (0.43 mi). It is one of the shortest national highways in Japan.
References
^"一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 18 February 2020.