• #61 RA: Frost Heave Prevention

    5 hours ago in the United States ⋅ ☁️ 16 °C

    Long story - it doesn't work. So, they installed these vertical culverts with hats to try to prevent frost heaves. The idea was to vent the ground heat. Fun roadside oddities. And they will remain such because they, unfortunately, don't work.Read more