You dig two big ditches, put the excavated dirt between them and build a road on top of it.
We do have roads that normally flood during storms.
That's because they're at ground level. People try to drive through the flood water and get killed.
So far water floods stays a few days than goes away.
Meanwhile....you're stranded.
We have our share of lousy roads up here but flooding is seldom a problem. Our issue is ice. Cracks form in the pavement, and they stupidly salt the roads. The water then runs through the cracks and freezes again, which expands. This heaves up and destroys the pavement.
In this case it's a lack of proper drainage in the roadbed composition. It should be lots of fractured rock.
...........
Stuffy steppinafulness must have a chatting point that says Trump needs to release his tax returns. Gee haven't heard that in a while,what a putz!!Stuffy Sitting on six phone books today and the cameras can still barley see his face.
Yet he still interrupts any of the good guys that come on over and over.Mostly unwatchable.
Ok, I'm finally catching up now. Yes, ditches will get rid of a lot of water, but they will be half as big as the road on each side to hold the same amount of water.
Meanwhile....you're stranded.
Yes, and your cars have to be kept out of the street on a high driveway during the heaviest rain. But the road drainage system worked in many places for Harvey.