What does this sign mean?
- Historic site ahead.
- Low bridge ahead.
- Correct answerTunnel ahead.
Explanation
This sign gives advance warning of a tunnel ahead. You should be aware of the procedures to follow when entering a tunnel – which include keeping a safe distance from the vehicle ahead or removing sunglasses.
Read in Chinese
这个标志是什么意思?
- 前方历史遗址。
- 前方低桥。
- 前方隧道。
该标志提前警告前方有隧道。您应了解进入隧道时的注意事项,包括与前车保持安全距离或摘掉太阳镜。

