NHS Master Route

This feature class consists of linear data which indicates the National Highway status of a road segment. This can be used to identify inclusion in the National Highway System. This data is owned by the VDOT Transportation and Mobility Planning Division (TMPD). This data is derived from the VDOT Linear Referencing System and is updated nightly based on LRS changes, and updates to the business information. The Linear Referencing System is based on the Virginia Department of Transportation's source system of record for road inventory.