< Vermont
Highway Numbering
Vermont currently observes the following Standardized Name nomenclature for Numbered Routes:
| Road Type | Standardized Name |
|---|---|
| Freeway | I-### |
| US Highway | US-### |
| State Highway | VT-### |
| Town Highway | TH-### |
State Highway numbering includes alternate state roads (e.g. VT-67A).
State Highway Signage
Most state highways are maintained by VTrans. However, some state highways in the centers of municipalities are maintained by local governments (class 1 town highways). VTrans maps indicate where state and local maintenance begin and end and signage may differ on municipally maintained segments. Map editors should treat both types the same.
 |
Vermont State Route signage (VTrans maintained) |
 |
Vermont State Route signage (locally maintained) |
Road Elevations
These are the general guidelines for elevation in Vermont.
- All segments by default should have an elevation of ground including railroad segments
- Only segments that cannot see the sky should have negative elevation (i.e., tunnels)
- Only set elevation as high as necessary
- Elevation of overlapping segments should be set relative to each other, with the lowest segment as ground (unless a tunnel)
- More complicated junctions may need other considerations - please reach out to a state manager for assistance
- If you use the Bridge tool to join segments, be aware that it raises the elevation of the joined segment: lower the joined segment as appropriate
Locking roads
Vermont has adopted the New England Road Type Locking Standard.