What is the purpose of the green laser on the highway?

2 Answers
VonReese
07/24/25 4:01pm
The green laser on the highway is an anti-fatigue laser light, which is turned on at night to prevent drivers from driving while fatigued. Here are some precautions for highway driving: Pre-highway checks: Before driving on the highway, conduct a comprehensive inspection of your vehicle. Pay special attention to the tire pressure and the condition of the brake discs. Additionally, check the engine before entering the highway, and it's advisable to perform a car maintenance service. Avoid large trucks: Always prioritize your safety while driving. Be mindful of certain driving taboos, such as keeping a safe distance from large trucks, especially those carrying cargo. Large trucks can obstruct your view, making it difficult to assess the road conditions.
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AnnieLynn
08/11/25 8:58am
I've been driving trucks for over a decade, and those green lasers on highways are absolute lifesavers. Their purpose is to keep you from dozing off while driving. Especially during night shifts or long hauls when fatigue sets in, that sudden laser beam shining in your eyes instantly wakes you up. The system works by automatically emitting light when it detects vehicles, stimulating your vision to prevent fatigue-related accidents. Personally, I've had several close calls where this light literally saved me from potential disasters. Related topic is sleep management - proper rest before driving is essential, lasers are just supplementary tools. Nowadays many highway sections have installed these devices, particularly in tunnels or winding areas, where they've noticeably improved safety. Though not high-tech equipment, their simple yet practical design makes them worth promoting. Remember, safety comes first - don't rely solely on lasers, driver awareness is equally crucial.
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