I don't know I remember, but when driving on rainy days I always think back to an invention I saw on TV. It was paint applied to the road for road markings but filled with some sort of plastic that meant it was slightly raised and textured. Almost like corrugated card. It made it easier to see on rainy days as it could poke through a thin sheet of water.
This isn't the same, or even the goal of the product, but made me thing it might be an unintended benefits because of the way it's applied.
I wonder what it feels like to drive across?
Update
Not the video I was thinking of, but something similar:
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| < WWDC25: Design foundations from idea to interface | Apple | |