A road in the ruined Roman town of Herculaneum, buried after the eruption of Vesuvius in AD 79.
"The town of Herculaneum was based on a grid pattern of streets. Unlike Pompeii, its roads were ungrooved as there was not the constant flow of heavy carts through its streets."
http://www.ancienthistoryarchaeology.com/herculaneum-an-overview