Some of those roads are still there after thousands of years. Wonder if anything valuable could be gained by having a porous substrate for modern roads to sit atop.
Photos of ruins and structures from past eras
What is a ruin? We're running off of "You know it when you see it" at the moment. Ruins should be non-functioning structures of some age, or their function reduced to tourism and the like. Generally speaking, specific items from a ruin should go to [email protected] Illustrations of ruins (or their reconstructions) should go to [email protected] Photos of ruins back when they were functioning should go to [email protected]
They already do in many cases, like shown here https://www.britannica.com/technology/road/The-modern-road
I can't even imagine the amount of labor that went into building these without machinery.
Why not put some extra nucleus on top of the pavimentum for a smoother ride? I'd think cobbles would be brutal in a suspensionless chariot
Well, Roman roads were made primarily for foot-traffic.
Oh I guess that makes sense then. Assumed all the effort to make them so durably flat was for wheels