Smart Highways

Light pollution may sound pretty unimportant compared to actual pollution—does it really matter that we can’t see the stars?

First, why wouldn’t you want to see this every night?


Second, light pollution does more than block a breathtaking view—it can alter the migration, feeding, and reproduction patterns of animals.

But a highway in the Netherlands (go, Netherlands!) is looking to put a stop to that.


This is a 500 meter stretch of highway in the Netherlands. Notice that there aren’t any street lights. So how do drivers get along at night? Glow-in-the-dark road markings, of course! The road markings are treated with fotoluminizing powder, which charges by the sun during the day and then glows for up to 10 hours at night.

Glow-in-the-dark highways would definitely help with the light pollution problem because the marks would give off enough gentle light for drivers to safely get to their destination while getting rid of streetlights that are directed toward the wrong places (the sky instead of the ground). Not to mention it would replace hundreds of streetlights, saving us tons of energy.

What do you think about replacing streetlights with glow-in-the-dark road markings? Tell us your thoughts in the comments.



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