Tunnel Ahead
tunnel-ahead sign

This sign warns drivers of a tunnel ahead, where road conditions may change, such as reduced visibility and ventilation.

Important Facts
  • Turn on your headlights before entering the tunnel.
  • Ensure the vehicle’s ventilation system is working properly.
  • Maintain a safe distance from the vehicle in front while inside the tunnel.
Common Mistakes
  • Not turning on headlights, which is a legal requirement in many countries.
  • Driving too fast inside the tunnel and not leaving enough space between vehicles.
  • Ignoring the reduced visibility and not adjusting speed accordingly.
Test Your Knowledge
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What should you do when you see the 'Tunnel Ahead' sign?
tunnel-ahead sign
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