Kong Sham Western Highway, formerly known as the Deep Bay Link is a highway in Hong Kong. It is 5.4 kilometres (3.4 mi) long and has three lanes in each direction. Its northern end is at Ngau Hom Shek, near Deep Bay, and its southern end is at Lam Tei, in Tuen Mun District. Together with the Hong Kong–Shenzhen Western Corridor, it forms the Route 10 of the Hong Kong Strategic Route and Exit Number System and provides road access from Hong Kong to the mainland. The link itself consists of 108,000 m2 of deck space over 3,014 segments.