Road centerlines are vector line data that represent the geographic center of road rights-of-way on transportation networks. Road centerlines can be developed through a variety of techniques, including GPS data collection and digitization of roads on aerial photographs. Road centerlines can be used to encode road characteristics, including road name, road width, pavement type/conditions, number of travel lanes, travel directions, bridge weight limits, address ranges, speed limit, etc.
The extensive attribute data stored with road centerlines facilitate their use in …