There’s a new Appia Way in Rome, but the original, 2300 year old one is still there, and still used. I walked a tiny bit of it today. (I would have done more, but it is hot here right now!)
This sign isn’t original, of course. They didn’t used to call it “Antica” after all.
They’ve excavated some of the original paving stones in this stretch.
But to get a sense of what it might have been like long ago, you have to look off to the side of the road: