divided highway
noun (North American English)(British English dual carriageway)
a road with a narrow piece of land in the middle that divides the lines of traffic moving in opposite directions （中央有分隔带的）双幅车行道，双向车道 Continue on through the light, staying on the divided highway 6 East. 继续前行通过交通指示灯，沿东6号干道行驶。