Answers · Access, roads and easements

How do I know if a road is state maintained?

Short answer

VDOT's records settle it, through the VDOT residency that serves the county. The route number on the intersection sign is the first clue, since VDOT says secondary roads generally carry numbers of 600 and above, and VDOT's county road inventory map is a second, though Carroll's map says its accuracy is not guaranteed. A street inside a city such as Galax is a question for the city.

Updated September 14, 2026 · Sources · General information, not legal, tax or lending advice
The first clue

A number of 600 or higher, and the word generally

Stand at the intersection and read the route number on the sign. VDOT's own description of its secondary system says those local connector and county roads "generally are numbered 600 and above", and that one word is the limit of the clue: generally is not always.

A second VDOT page, written for residents asking about road improvements, states it without the qualifier: state-maintained secondary roads have route numbers of 600 and above. The same page tells residents to check for the number on the signs at intersections or contact their VDOT residency. Read together, the two pages make the sign a sensible first step and the residency the place to confirm it.

What actually makes a county road state maintained is acceptance. Under Va. Code 33.2-100, the secondary state highway system is the public highways in the counties that are not in the primary system and that VDOT has accepted for supervision and maintenance. A number on a sign points to that acceptance; the record of it is VDOT's.

The answer reaches past upkeep. VDOT's Access Management Regulations apply only to highways that are part of the state systems, and they define a highway as a public way in those systems including the entire area within the right-of-way. So whether a new drive needs a VDOT entrance permit turns on the same question, and so does whether frontage on a state road matters more than a private road.

The second clue

Carroll's inventory map, and the disclaimer printed on it

VDOT publishes a road map for Carroll County, and its title says what the map is for.

AN INVENTORY OF STATE MAINTAINED ROADS

VDOT, Carroll County road map

The map's legend carries an entry for private roads. It also carries two limits. It depicts the state-maintained network as of July 31, 2023, so a change after that date would not show on it. And it says outright that its accuracy or completeness is not guaranteed or warranted.

When the map or the sign points toward private, who keeps that road up is covered in who maintains a private road, and why a subdivision's streets may never have qualified is in whether subdivision roads have to meet VDOT standards.

Keep one distinction in view. A state-maintained road tells you who keeps the road. It does not tell you whether a particular parcel has a legal right to reach it, which is the separate question in how to know if land has legal access.

The answer that settles it

The residency confirms one road on the day you ask

The sign and the map narrow it down. The status of one named road today comes from the VDOT residency that serves the county.

In Carroll County that is the Martinsville Residency, 309 Weeping Willow Lane, Bassett, VA 24055, 276-629-2581, in VDOT's Salem District. There is no VDOT residency in Hillsville. Grayson and Wythe are in the Bristol District and go to the Wytheville Residency, and Floyd, Montgomery and Pulaski go to the Christiansburg Residency; the phone number for each is on the six counties page.

Before calling, have the road name, the route number from the nearest intersection sign and the parcel's tax map number. VDOT's page points residents to that route number first, and the tax map number pins down which stretch of road the question is really about.

Galax sits outside the residency route. VDOT describes a separate system of urban streets maintained by cities and towns with the help of state funds, and notes that Virginia's cities are independent of its counties. VDOT lists Galax among its Salem District cities, but a street inside the city limits is a question for the City of Galax.

Get started

Not sure the road a parcel fronts is in the state system?

Send the road name or route number with the tax map number, and Lowell will pull what the record shows for that road and name the VDOT residency that confirms it. No cost, no obligation.

Office107 Raintree Road, Hillsville, VA 24343
Goes straight to Lowell Bowman.

Got it. Thank you.

We'll be in touch shortly with an honest read.

Questions

Questions this raises

Is VDOT's county road map proof that a road is state maintained?

No. VDOT's Carroll County map is titled an inventory of state maintained roads, but it depicts the network as of July 31, 2023 and says its accuracy or completeness is not guaranteed or warranted. It is a good second clue after the route number on the sign. The VDOT residency that serves the county confirms the status of a particular road as it stands today.

Why would a road that looks public turn out to be private?

Because use and appearance do not put a road in the state system; acceptance does. The secondary system is the county public highways, outside the primary system, that VDOT has accepted for supervision and maintenance. VDOT says subdivision streets not built to its acceptance standards stay the developer's or homeowners' responsibility, and residents often maintain older rural roads outside established subdivisions. The residency can confirm which kind a given road is.

Which VDOT office confirms a road's status in Carroll County?

The Martinsville Residency, at 309 Weeping Willow Lane, Bassett, VA 24055, 276-629-2581. Carroll County is in VDOT's Salem District. VDOT's road-improvement page tells residents to check the route number on intersection signs or contact the residency, so have the route number and the parcel's location ready when you call.

Sources

Where this page's facts come from

Every rule, office and figure above traces to one of these. Rules change; check the office before you act on one.