Heung Yuen Wai Highway
Heung Yuen Wai Highway (HYWH) is a 11.1-kilometre, controlled-access road in the North District of Hong Kong’s New Territories. It starts from Route 9 at Kau Lung Hang and ends at the Heung Yuen Wai Border Control Point, the border crossing to China. The highway opened to traffic on 26 May 2019, and freight traffic began at the border on 26 August 2020.
The highway has three main parts: Lung Shan Tunnel (about 4.8 km), Cheung Shan Tunnel (about 0.7 km), and about 5.5 km of viaducts and at-ground roads. It carries two lanes in each direction with a speed limit of 80 km/h. The southern end connects to Fanling Highway via four viaducts.
Lung Shan Tunnel is a dual-tube tunnel running northeast beneath Bird’s Hill (Lung Shan) and is the longest land road tunnel in Hong Kong. Cheung Shan Tunnel passes under another hill and exits near Wo Keng Shan Road. After that, the road continues to Ping Yeung and Lin Ma Hang Road before ending at the Heung Yuen Wai Control Point.
Although HYWH is a controlled-access highway with grade-separated interchanges, it is not designated as an expressway and is not part of Hong Kong’s numbered route system.
History and construction: The project grew from a 2006 agreement between Hong Kong and Shenzhen to co-operate on a new link between Hong Kong and China. In 2008, a decision was made to build the Liantang/Heung Yuen Wai Boundary Control Point and connect it to Hong Kong’s highway network by a two-lane trunk road. The Lung Shan Tunnel contract was awarded to Dragages-Bouygues Joint Venture for about HK$10.3 billion and was recognized as Tunnelling Project of the Year in 2019. Contracts for the Fanling Highway Interchange and the Sha Tau Kok Road–Lin Ma Hang Road section were awarded to Chun Wo Construction and CRBC-CEC-KADEN Joint Venture, respectively. The highway opened to traffic on 26 May 2019.
This page was last edited on 2 February 2026, at 21:12 (CET).