法定速度 ほうていそくど Meanings Noun default legal speed limit (in Japan, 60 km/h for cars on ordinary roads, 100 km/h on highways); national speed limit Kanji 法 law. Read as ホウ. 定 fix. Read as テイ. 速 speed. Read as ソク. 度 degree. Read as ド. Jinuma: Japanese Dictionary · Word lists