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。
It would double the length of Colombia’s dual-carriageway roads, continue upgrading Bogotá’s airport, revive railways and expand shipping by boat.
这项计划将使哥伦比亚的双车道道路长度变为原来的两倍，继续升级波哥大机场，重修铁路以及扩充船舶运输。
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。
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