Description: An arc layer for visual representation of statewide road centerlines on publically-accessible roads segmented by a subset of road characteristics for the state road system. The state road system is comprised of Interstate, US, NC, Secondary Routes, and Ramps. Each arc/record is split where road characteristics change along a route. This dataset supports the Federal Highway Administration's (FHWA) data requirements for the Highway Performance Monitoring System (HPMS). HPMS is a national level highway information system that includes data on the extent, condition, performance, use, and operating characteristics of the Nation's highways. States are required to submit an HPMS report to FHWA annually. This dataset also contains projected routes, generalized locations of routes that will become part of the National Highway System (NHS) when they are built. The non-system roads are consumed and conflated from authoritative sources, including local (i.e. county), state (i.e. parks) and federal (i.e. Forest Service) entities. This dataset is updated daily. Data quality is tracked using the revision document fields (GeoDocType and GeoDocId). Legacy data are coded as not verified in the GeoDocType field. The geometry and spatial location of new data is verified with the most current information available (i.e aerial imagery).
Service Item Id: 80814d751bb0443e8dca478259070c18
Copyright Text: NCDOT Spatial Data Management Group - Product creation; NCDOT Data Conversion Group – System geometry, mileage, events; Local County Governments – Non-system geometry, Street Name event; NCDOT Transportation Asset Analytics - Events; NCDOT Transportation Planning Branch – Functional Class, National Highway System; NCDOT Traffic Safety Unit - Speed Limit; NCDOT Structures Management Unit/NCDOT Spatial Analysis Group - Structure
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