How wide are freeway lanes? - Caltrans - State of California Outside Shoulders are generally 10' 4 lanes of travel way are 48' (12' per lane) Inside Shoulders are 8' So overall an eight-lane freeway would be 132' wide on ...
一般車道的寬度有一樣的標準嗎？ - SOGI World 三、集散道路之汽車道，每車道寬度最小不宜少於3公尺。 四、巷道之汽車道，每單向 可行駛空間寬度最小不宜少於2.5公尺。
