freeway
noun [ C ] uk/ˈfriː.weɪ/ us/ˈfriː.weɪ/
高速公路
a wide road for fast-moving traffic, especially in the US, with a limited number of places at which drivers can enter and leave it
the Santa Monica freeway 圣塔莫妮卡高速公路
Compare: expresswaymotorwaysuperhighway piketurnpike