Hong Kong Regulations

ROAD TUNNELS (GOVERNMENT) REGULATIONS - REGULATION 3A

Signal Lights

When a driver of a vehicle enters or proceeds through the tunnel area of the
Cross-Harbour Tunnel and a traffic signal light facing him in or above the
lane in which he is travelling displays-

   (a)  green, he shall proceed along that lane;

   (b)  red, he shall stop his vehicle as rapidly as is safe in the
        circumstances;

   (c)  flashing amber, he shall proceed along that lane with caution and be
        prepared to stop when the circumstances so require.

(49 of 1999 s. 5)