header bg
8 arrow_forward 0 done arrow_forward 0 done_all

You are going through a tunnel. What systems are provided to warn of any incidents, collisions or congestion?

A Variable message signs
Take notice of any instructions given on variable message signs or by tunnel officials. They will warn you of any incidents or congestion ahead and advise you what to do.
B Double white centre lines
C Chevron ‘distance markers’
D Rumble strips