dual carriageway 双程分隔车道 ; 双行道 ; 双车道
Carriageway narrows 道路或车道变窄 ; 道路 ; 路途或车道变窄
single carriageway 单行道 ; 不分隔车路
carriageway marking 行车道标记
concrete carriageway 混凝土车道
carriageway surfacing 车道路面 ; 车路线面
flexible carriageway 柔性行车道
dual three-lane carriageway 双向三车道
nonrigid carriageway 非刚性车道
以上来源于: WordNet
N the part of a road along which traffic passes in a single line moving in one direction only (一个反向的)车道 [英国英语]
a dual carriageway
Road studs delineate the edges of a carriageway or the division of traffic lanes.
行车道上镶嵌反光路钉，用以划分行车道的边缘或行车。
This bottleneck will be eased later this month, when a 4.5km (2.8-mile) dual-carriageway bypass with wider Bridges will open.
这一运输瓶颈将会在本月得到缓解，因为一条长达4.5公里(2.8英里)，带有更为宽阔桥梁的双车道支线道路即将开通。
The new road runs out shortly afterwards, but a few miles later the main highway turns into a recently completed dual carriageway.
朝前不远新路就结束了，但在几英里以外，干道公路转入一条新近建成的双车道。
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