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21
2025
-
04
The role and precautions of tunnel signs
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I. Types and Functions of Tunnel Signs
Tunnel signs are designed to remind drivers to pay attention to tunnel driving safety. Different signs have different functions, mainly including the following types:
1. Warning signs: Set hundreds of meters ahead, they inform drivers of the upcoming tunnel, requiring them to turn on headlights and reduce speed.
2. Entrance signs: Located at the tunnel entrance, they remind drivers of precautions before entering the tunnel, such as speed, distance between vehicles, maintaining silence, and refraining from honking.
3. Mid-section signs: Set in the middle of the tunnel, they remind drivers to observe speed limits, maintain distance between vehicles, prohibit overtaking, and drive slowly.
4. Exit signs: Located at the tunnel exit, they inform drivers of the approaching exit and remind them to slow down appropriately.
II. Placement of Tunnel Signs
The placement of tunnel signs should follow the following principles:
1. Entrance signs: Should be located 100-200 meters before the tunnel entrance.
2. Mid-section signs: 3-5 signs should be set according to the tunnel length, with a recommended spacing of 200-300 meters.
3. Exit signs: Should be located 60-100 meters before the tunnel exit.
III. Driver Precautions
1. Drivers should reduce speed according to the signs, choosing an appropriate speed based on the actual situation, and avoid speeding.
2. After entering the tunnel, turn on headlights and maintain an appropriate distance from the vehicle ahead.
3. Overtaking is not allowed in the tunnel. Pay attention to height and width restrictions on the left, and strictly prohibit overtaking and vehicles exceeding the width limit from entering the tunnel.
4. Maintain silence in the tunnel as much as possible, avoid honking or loud noises to prevent echoes from interfering with other vehicles.
5. Drivers should prepare according to the signs. In case of unexpected situations, reduce speed, drive slowly, and remain calm.
Tunnel signs are set to ensure driver safety. Drivers should follow the signs, especially paying attention to avoid speeding, overtaking, or making loud noises in the tunnel, ensuring safety and smooth traffic flow.
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