Some of the major Roman roads were in use in the original throughout most of the intervening centuries, with occasional repairs during the Middle Ages and Renaissance, into modern times, and finally paved with modern methods in the past 50 to 100 years. Those Romans knew how to build roads.
Ancient Roman road map unveiled
http://www.freerepublic.com/focus/news/1930916/posts
Archaeologists discover Britain’s longest road to be 10,000 year[s] old
http://www.freerepublic.com/focus/chat/3167705/posts
British Pre-Roman Roads Lead to Genesis (article)
http://www.freerepublic.com/focus/news/3085467/posts
‘Roman’ roads were actually built by the Celts, new book claims
http://www.freerepublic.com/focus/chat/3078474/posts
Iron Age road link to Iceni tribe
http://www.freerepublic.com/focus/chat/2764241/posts
What the Romans didn’t do for us
http://www.freerepublic.com/focus/chat/2733107/posts
Road sees first traffic for 1,400 years
http://www.freerepublic.com/focus/chat/1673842/posts
I’m going to have to plan a trip to England with my metal detector.