Check out this site it has a lot of info. including maps. The map of rec centers and pools will give you the main roads and may help you get around a bit.
http://www.virginiatrace.com/
The district maps are helpful also. Districts are built in order with District 8 being the the latest. They are still building in District 7, but are nearing completion. All the maps are about half way down the above page on the right.
http://www.virginiatrace.com/maps/20...es%20South.pdf