The Shenzhen-Hong Kong Western Corridor is a national key project and a large cross-border project. The main project includes the Shenzhen Bay Checkpoint and a bridge, with a total investment of 16 billion CNY. It was opened to traffic on July 1, 2007. The Shenzhen-Hong Kong Western Corridor Port has a designed throughput capacity of 58,600 vehicles per day. It is the first domestic port to adopt the "one-stop two-inspection" model and has become the world's largest and most advanced modern and intelligent highway checkpoint.

UPDIS participated in the engineering feasibility study of the Western Corridor and was responsible for the bridge location and checkpoint studies, as well as the overall design of the "one-stop two-inspection" checkpoint. In view of the large internal traffic volumes, multiple functional modules, multiple customs clearance vehicle inspections and operation types, and complex traffic organization of the checkpoint, we conducted three-dimensional traffic simulation studies, and devloped design under various traffic scenarios and operational modes to optimize the checkpoint's traffic organization and overall layout. We also completed the engineering design of the Hong Kong and Shenzhen checkpoints, with professional expertise covering traffic engineering, roads and bridges, building structures, water supply and drainage, power communication, weak current and intelligent systems, etc. The engineering design of the Hong Kong checkpoint was carried out strictly in accordance with the British B.S. technical standards. UPDIS conducted a systematic study on the differences between the relevant mainland standards and the British B.S. standards and applied them to the design.

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