header bg
8 arrow_forward 0 done arrow_forward 0 done_all

You are going through a long tunnel. What will warn you of congestion or an incident ahead?

A Variable message signs
Explaination
Follow the instructions given by the signs or by tunnel officials. In congested tunnels a minor incident can soon turn into a major one with serious or even fatal results.
B Hazard warning lines
C Other drivers flashing their lights
D Areas marked with hatch markings