With the state DOT responsible for maintaining the vast majority of the state's roads, they have just adopted a rule requiring all streets in new subdivisions to go through and connect to other streets and adjacent subdivisions. They have also adopted a rule narrowing local streets and requiring sidewalks.
"In Va., Vision of Suburbia at a Crossroads
Targeting Cul-de-Sacs, Rules Now Require Through Streets in New Subdivisions
Virginia is taking aim at one of the most enduring symbols of suburbia: the cul-de-sac.
The state has decided that all new subdivisions must have through streets linking them with neighboring subdivisions, schools and shopping areas. State officials say the new regulations will improve safety and accessibility and save money: No more single entrances and exits onto clogged secondary roads. Quicker responses by emergency vehicles. Lower road maintenance costs for governments.
Although cul-de-sacs will remain part of the suburban landscape for years to come, the Virginia regulations attack what the cul-de-sac has come to represent: quasi-private standalone developments around the country that are missing only a fence and a sign that says "Keep Out.""
(see link for rest of article)
Very interesting, indeed. We shall see how this plays out.