What should you do before entering a tunnel?

What should you do before entering a tunnel?

Tune your radio to a local channel

Correct answer

DVSA explanation

On the approach to many tunnels, a board will indicate a local channel or radio frequency that you should tune into. This should give a warning of any incident or congestion in the tunnel ahead. Severe loss of life has occurred in tunnel fires. Getting advance warning of any problems ahead will help you to take appropriate action in good time.

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