dual carriageway
noun (British English)(North American English divided highway)
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 Follow the dual carriageway and you'll see signs for the turn-off. 沿着双车道行驶，你会看到岔道的标志。 Go across the A403 dual carriageway at the traffic lights. 在红绿灯处穿过A403双车道。 He was caught driving the wrong way down the dual carriageway. 他因在双向车道上逆行被抓。