Finally, the paper proposes speed limit for different lanes, types of vehicles and road alignments.

提出城市快速路可根据道路不同线形条件分车道、分车型进行限速。

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Considering visual analysis, traffic safety in some sense means that divers can clearly see the road alignment make up of planar and vertical alignments.

从视觉分析的角度出发，为保证行车安全，应尽可能让驾驶员清晰地看到由平面与纵断线形构成的道路线形。

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By then, 103 Road, 133 Road, two lines will be relocated from Central Station Tanggu Tanggu Bund Park, Xinhua Road Station, alignments simultaneously.

届时，103路、133路两条线路将由起点塘沽中心站迁至塘沽外滩公园新华路站，线路走向同时调整。

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Highways Agency spokesman said road alignments to allow traffic to enter the northbound tunnel could not be done until the southbound was open.

BBC: Hindhead Tunnel