How To Potholes Form - Web each time the water freezes and expands, it forces the asphalt to crack and break apart, and each time it thaws, it melts and drains. Web when water seeps into the rock, gravel, and soil underneath asphalt and then freezes, it expands, acting a little bit.
Web when water seeps into the rock, gravel, and soil underneath asphalt and then freezes, it expands, acting a little bit. Web each time the water freezes and expands, it forces the asphalt to crack and break apart, and each time it thaws, it melts and drains.