The roadworks are necessary to repair damage caused by an increase in cargo lorries using the highway after large coalfields were discovered in Inner Mongolia.
内蒙古发现大型煤田后，行驶在该路段的货运卡车相应增加，为了修复卡车对路面造成的损伤对道路进行施工显得十分必要。
It also accounts for things such as the weather, roadworks and the different vehicles using the information: a Porsche can go up hills a lot faster than a heavy lorry can.
气象数据、道路设施分布乃至车辆型号（保时捷爬坡速度肯定比载重卡车要快得多）等因素都被考量在内。
The roadworks are slowing the traffic up in the mornings.
道路施工使早上的交通迟缓下来。
Infrastructure works have been substantially completed, and the final phase of reclamation to provide 13 hectares of land and remaining roadworks are in progress.
最后一期填海工程会填造13公顷土地，这期工程和余下的道路工程均正在施工。
Roadworks are causing bottlenecks in the city centre.
道路施工导致市中心交通阻塞。
Roadworks: What are the benefits of modelling temporary traffic management arrangements?, by Stephen Cragg SIAS. Scottish Transport Applications and Research (STAR) Conference April 2007.
道路施工：模拟临时交通管理措施的利益？苏格兰交通应用与研究会议(STAR)，2007。
Roadworks: What are the benefits of modelling temporary traffic management arrangements?, by Stephen Cragg SIAS. Scottish Transport Applications and Research (STAR) Conference April 2007.
道路施工：模拟临时交通管理措施的利益？苏格兰交通应用与研究会议(STAR)，2007。
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