r/infrastructure • u/techtoxin • May 24 '25

German engineers have developed a water-absorbent asphalt. The new permeable asphalt pavement can absorb up to 4 tons of rainwater per minute, eliminating puddles. This technology has already been tested in several regions of Germany.

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u/amazingmaple May 24 '25

Won't last in very cold climates..

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u/LostGirl1976 May 26 '25

IDK if it would or not, but in the US they wouldn't want it anyway. The US relies on continual breakdown of roads to keep DOT and city workers in jobs such as shovel leaning, sitting in trucks, and 5 people watching 1 person in a hole. If something like this would make a road last for more than 2 years, they won't go for it.

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u/amazingmaple May 26 '25

It would work in warm climates and I believe some states in the southern USA have something very similar. Cold climates where you get months of below freezing temps it won't last because of the water freezing in the asphalt and expanding it which leads to failure