Herbstrabe t1_j9g2vwl wrote on February 21, 2023 at 5:48 PM Reply to TIL of Macadam roads. These roads were convex, raised a few inches, and made of layered crushed rock; they were state-of-the-art for the 19th century. The rise of automobiles led to the dust issues that were solved by binding the roads with tar, leading to the invention of tarmac. by jamescookenotthatone We in Germany build our forest roads (only for forestry related driving) in this way. Permalink 2
Herbstrabe t1_j9g2vwl wrote
Reply to TIL of Macadam roads. These roads were convex, raised a few inches, and made of layered crushed rock; they were state-of-the-art for the 19th century. The rise of automobiles led to the dust issues that were solved by binding the roads with tar, leading to the invention of tarmac. by jamescookenotthatone
We in Germany build our forest roads (only for forestry related driving) in this way.