These Laser Lightshows On Chinese Highway Are Meant To Keep Drivers Awake

Footage of lasers over a Chinese highway
Footage of lasers over a Chinese highway

Chinese road officials are utilizing a unique method of combating nighttime driver fatigue: lasers! Drivers have recorded the surreal light show projected above a lengthy highway segment across northern China. The beams of bright colors are meant to keep drivers awake, but it could be a distraction on its own with the right soundtrack.

The viral video of the so-called safety feature was posted to X (formerly known as Twitter) by user “Science girl.” The lasers mounted on sign gantries above the roadway rotate between red, blue and green lights in a cycle. They don’t strobe, aim directly at vehicles or do anything particularly dangerous. The user offered a bit more context in a follow-up post:

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