Is it allowed to use high beams on highways?

[JeffreyLee]

High beams can be used on highways. Here are some relevant introductions about high beams: 1. Difference from low beams: Both are used for nighttime illumination, but high beams have a higher angle and longer range, while low beams have a lower angle and shorter range. 2. Hazards: Long-term exposure to high beams without proper protection can not only lead to decreased vision and increase the risk of eye diseases such as cataracts, but also cause light pollution that interferes with the brain's central nervous system, leading to neurasthenia, dizziness, irritability, insomnia, decreased appetite and libido, emotional agitation, physical fatigue, and can disrupt the formation of normal hormones, thereby increasing the risk of certain cancers.

[LeJanelle]

Can you use high beams on the highway? I have to say, as someone with experience, this question comes up way too often. Having driven on highways for many years, the basic rule is: you can use high beams on the highway, but never abuse them. When there are no other cars around, especially late at night or on remote stretches, high beams help you see road conditions farther ahead—like potholes or animals—to avoid sudden braking. But the moment an oncoming car or a car ahead appears, switch back to low beams immediately. Otherwise, the glare can temporarily blind other drivers and even cause rear-end collisions in severe cases. I’ve also been in bad weather conditions, like heavy rain or fog, where high beams actually make visibility worse due to increased glare. In those cases, I quickly switched to low beams and turned on fog lights. Bottom line: safety always comes first. Before every drive, I silently remind myself of the switching rule: high beams for open roads, low beams for traffic. Practice a few times, and it becomes second nature—just don’t be lazy about manually switching and never delay it.

[RyleeLee]

As a parent who frequently takes family trips, I pay special attention to highway lighting. While high beams can be used on highways, it's not unconditional. When driving on the highway alone, I turn on high beams on straight stretches with no other vehicles to enhance visibility and see hundreds of meters ahead. But as soon as I notice a car approaching, whether from the opposite direction or behind, I immediately switch back to low beams to avoid affecting others' driving. I still remember emphasizing this when teaching my child to drive for the first time—incorrect lighting can lead to accidents, like many rear-end collisions on highways caused by visibility interference. Another detail is the rearview mirror: if a car behind me has blinding high beams, I lightly tap the brakes to remind them or adjust the mirror angle. In short, prioritizing safety and using lights properly can make driving smoother and reduce risks. It's all about forming good habits—never skip switching lights for convenience.

[VanJohnny]

I've been commuting on the highway for five years, often driving night shifts, so I'm familiar with the lighting rules. High beams are allowed on highways, provided they're used on wide, empty roads to help you see signs and obstacles. But as soon as a vehicle comes into view, you must immediately switch to low beams to avoid glare. In actual driving, I've noticed many people don't follow the rules—I've experienced oncoming cars blinding me with high beams, nearly causing me to hit the guardrail. It's advisable to assess road conditions, such as turning off high beams during curves or hills for safety to avoid unexpected blind spots. With proper light usage, driving on the highway is truly stress-free.