The Lion Rock Tunnel,linking Kowloon and Sha Tin,began single-tube operation in 1967,with a second tube added in 1978. The 1.4-kilometre tunnel is the most heavily used government tunnel,with 95000 vehicle trips daily. The toll was $6.

• 狮子山隧道连接九龙与沙田，全长1.；4公里，每程收费六元。该隧道在一九六七年启用时只是单管行车，后来于一九七八年建成第二条管道。该隧道平均每日行车量达95000架次，是使用量最高的政府隧道。