
Overtaking is not allowed in tunnels. Due to the inherently narrow space inside tunnels, overtaking poses significant risks. During the initial design phase of tunnels, authorities established regulations prohibiting arbitrary lane changes and overtaking based on factors such as tunnel curvature, depth, and vehicle traffic standards. Currently, similar regulations are implemented in tunnels nationwide. Reduce speed and turn on lights before entering the tunnel: When driving during the day, the sudden dimming of light upon entering a tunnel can cause temporary visual impairment as human eyes take time to adjust. Therefore, approximately 100 meters before entering the tunnel, drivers should reduce speed, increase following distance, and activate headlights to safely enter the tunnel at a relatively slower speed. Maintain a sufficiently safe following distance: The drastic difference in light levels when entering or exiting a tunnel can cause momentary blindness, leading many drivers to instinctively brake. Additionally, following vehicles may also experience this temporary blindness. Thus, maintaining a greater following distance is essential to ensure adequate safety.

I think it's best not to overtake when the car in front is too slow in a tunnel because the space is narrow, the light changes drastically, and visibility is low, making collisions more likely during overtaking. Once, I was in a highway tunnel, and the car in front was moving very slowly. I thought about speeding past it but almost collided with an oncoming car, which scared me into a cold sweat. Overtaking in a tunnel is not only dangerous but may also violate traffic rules, and the fine isn't cheap. I suggest being patient, maintaining a safe distance, and waiting until you're out of the tunnel. If you're really in a hurry, you can flash your lights to remind the car ahead to speed up, but don't take risks. Safety first—it's better to drive a bit slower than to get into an accident.

Honestly, overtaking in a tunnel is not a good idea. What I learned from driving school is that overtaking is prohibited in tunnels, and it's clearly stipulated by law in many places—violations can result in penalty points and fines. Tunnels have unique structures with poor air circulation and loud echoes, making overtaking maneuvers increase the risk of accidents. With over a decade of driving experience, I’ve seen many tunnel accidents caused by reckless overtaking. It’s best to just follow the car ahead patiently and maybe play some music to ease frustration. If the car in front is moving too slowly, it could be due to a malfunction or a cautious new driver—don’t pressure them. Wait patiently and find a safe opportunity to overtake after exiting the tunnel. Remember, life is far more precious than time.

I've thought about this issue too. As a new driver, when I first got my license, overtaking in tunnels seemed thrilling, but my instructor taught me that tunnels are no-passing zones. The speed limit is low inside tunnels, and space is limited, making overtaking prone to causing chain accidents. Last month when I was driving through a tunnel, the car in front was moving as slow as a snail. I wanted to overtake, but then I noticed the no-passing signs on the road markers, so I had to suppress my frustration and follow behind. Later, I realized this helps prevent rear-end collisions. I suggest all drivers follow the rules—driving slower to get home safely is what matters most.

Can you overtake if the car in front is too slow in a tunnel? I tell you no, it's too dangerous. The lighting is dim in tunnels, visibility is obstructed, and if a car comes from the opposite direction while overtaking, there's no time to react. I've personally witnessed a tunnel accident caused by a driver overtaking—car destroyed, lives lost, it was tragic. The principle of safe driving is to maintain distance in tunnels and not act impulsively. If the car in front is slow, it might be due to road conditions or an issue; you need to be patient. Drive long enough and you'll understand—these small things aren't worth the risk.

Driving in a tunnel with a slow-moving car ahead can be frustrating, but overtaking is absolutely not an option. The enclosed environment of a tunnel increases the risk of accidents when overtaking, endangering not only yourself but also others. I always remind myself that tunnels are special road sections—when the lighting changes, your eyes need time to adjust, making overtaking prone to misjudgment. Instead, it's better to relax, maintain a safe following distance, and pass the time by listening to podcasts or music. If road conditions permit after exiting the tunnel, then consider overtaking. Following the rules ensures safety, and civilized driving is what matters most.


