62 datasets found
  1. n

    NCDOT County Boundaries

    • nconemap.gov
    • hub.arcgis.com
    • +2more
    Updated Nov 21, 2013
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    North Carolina Department of Transportation (2013). NCDOT County Boundaries [Dataset]. https://www.nconemap.gov/datasets/NCDOT::ncdot-county-boundaries/about
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    Dataset updated
    Nov 21, 2013
    Dataset authored and provided by
    North Carolina Department of Transportation
    Area covered
    Description

    This service provides vector polygon dataset defining the official boundaries of the 100 counties within North Carolina as well as the boundaries between North Carolina and the states which border North Carolina.The North Carolina county polygon boundary service provides location information for North Carolina State and County Boundary lines derived from the best available survey and/or Geographic Information System (GIS) data. Sources for information are the North Carolina Geodetic Survey (NCGS), NC Department of Transportation (NCDOT), United States Geological Survey (USGS), and field surveys conducted by licensed surveyors in North Carolina and neighboring states that have been approved and recorded in their respective counties. Some boundaries cannot be surveyed in cases where boundaries are coincident with river centers. North Carolina Geodetic Survey assists counties on a cooperative basis (NC General Statute 153A-18) in defining and monumenting the location of uncertain or disputed boundaries as established by law. Some counties have completed boundary surveys for at least a portion of their county boundary. However, the majority of county boundaries have not been surveyed and are represented by the best currently available data from GIS sources, including NCDOT county maps (which originally came from the USGS) and updated county parcel maps.This data is updated annually, first quarter (usually in February).MetadataThe metadata for the contained layer of the NCDOT County Boundaries Service is available through the following link:County Boundaries PolygonPoint of Contact North Carolina Department of Information Technology -Transportation, GIS UnitGIS Data and Services ConsultantContact information:gishelp@ncdot.govCentury Center – Building B1020 Birch Ridge DriveRaleigh, NC 27610Hours of service: 9:00am - 5:00pm Monday – FridayContact instructions: Please send an email with any issues, questions, or comments regarding the County Boundaries data. If it is an immediate need, please indicate as such in the subject line in an email.NCDOT GIS Unit GO! NC Product Team

  2. a

    Wake County Line

    • data-ral.opendata.arcgis.com
    • data.raleighnc.gov
    • +5more
    Updated Jun 1, 2016
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    Wake County (2016). Wake County Line [Dataset]. https://data-ral.opendata.arcgis.com/maps/Wake::wake-county-line
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    Dataset updated
    Jun 1, 2016
    Dataset authored and provided by
    Wake County
    Area covered
    Description

    Wake County Boundary

  3. 2022 Cartographic Boundary File (KML), Current County Subdivision for North...

    • catalog.data.gov
    Updated Dec 14, 2023
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    U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Customer Engagement Branch (Point of Contact) (2023). 2022 Cartographic Boundary File (KML), Current County Subdivision for North Carolina, 1:500,000 [Dataset]. https://catalog.data.gov/dataset/2022-cartographic-boundary-file-kml-current-county-subdivision-for-north-carolina-1-500000
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    Dataset updated
    Dec 14, 2023
    Dataset provided by
    United States Census Bureauhttp://census.gov/
    Area covered
    North Carolina
    Description

    The 2022 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). These boundary files are specifically designed for small-scale thematic mapping. When possible, generalization is performed with the intent to maintain the hierarchical relationships among geographies and to maintain the alignment of geographies within a file set for a given year. Geographic areas may not align with the same areas from another year. Some geographies are available as nation-based files while others are available only as state-based files. County subdivisions are the primary divisions of counties and their equivalent entities for the reporting of Census Bureau data. They include legally-recognized minor civil divisions (MCDs) and statistical census county divisions (CCDs), and unorganized territories. In MCD states where no MCD exists or no MCD is defined, the Census Bureau creates statistical unorganized territories to complete coverage. The entire area of the United States, Puerto Rico, and the Island Areas are covered by county subdivisions. The generalized boundaries of legal MCDs are based on those as of January 1, 2022, as reported through the Census Bureau's Boundary and Annexation Survey (BAS). The generalized boundaries of all CCDs, delineated in 21 states, are based on those as reported as part of the Census Bureau's Participant Statistical Areas Program (PSAP) for the 2020 Census.

  4. n

    North Carolina State and County Boundary Polygons

    • nconemap.gov
    • nc-risk-management-open-data-ncem-gis.hub.arcgis.com
    • +2more
    Updated Jun 11, 2020
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    State of North Carolina - Emergency Management (2020). North Carolina State and County Boundary Polygons [Dataset]. https://www.nconemap.gov/items/9728285994804c8b9f20ce58bae45899
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    Dataset updated
    Jun 11, 2020
    Dataset authored and provided by
    State of North Carolina - Emergency Management
    License

    MIT Licensehttps://opensource.org/licenses/MIT
    License information was derived automatically

    Area covered
    Description

    The North Carolina State and County Boundary vector polygon data provides location information for North Carolina State and County Boundary lines derived from the best available survey and/or Geographic Information System (GIS) data. Sources for information are the North Carolina Geodetic Survey (NCGS), NC Department of Transportation (NCDOT), United States Geological Survey (USGS), and field surveys conducted by licensed surveyors in North Carolina and neighboring states that have been approved and recorded in their respective counties. North Carolina Geodetic Survey assists counties on a cooperative basis (NC General Statute 153A-18) in defining and monumenting the location of uncertain or disputed boundaries as established by law. Some counties have completed boundary surveys for at least a portion of their county boundary. However, the majority of county boundaries have not been surveyed and are represented by the best currently available data from GIS sources, including NCDOT county maps (which originally came from the USGS) and updated county parcel maps.

  5. c

    GIS Data Viewer New

    • opendata.co.cumberland.nc.us
    • hub.arcgis.com
    • +1more
    Updated Nov 14, 2019
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    Cumberland County, NC (2019). GIS Data Viewer New [Dataset]. https://opendata.co.cumberland.nc.us/maps/d203e928181d46658f26fb3b5947921c
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    Dataset updated
    Nov 14, 2019
    Dataset authored and provided by
    Cumberland County, NC
    Area covered
    Description

    The Cumberland County GIS Data Viewer provides the general public with parcel, zoning, hydrology, soils, utilities and topographic data. You can search for a specific address, street name, parcel number (PIN), or by the owner's name.

  6. n

    NCDOT State Boundary

    • nconemap.gov
    • hub.arcgis.com
    • +1more
    Updated Jan 10, 2020
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    North Carolina Department of Transportation (2020). NCDOT State Boundary [Dataset]. https://www.nconemap.gov/maps/NCDOT::ncdot-state-boundary
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    Dataset updated
    Jan 10, 2020
    Dataset authored and provided by
    North Carolina Department of Transportation
    Area covered
    Description

    This service provides the polygon representing the North Carolina state boundary. It allows the entire state to be viewed as one polygon. The boundary is selected from the outermost county boundaries bordering other states and the Atlantic Ocean.MetadataThe metadata for the contained layer of the NCDOT State Boundary Service is available through the following link:NC State BoundaryPoint of Contact North Carolina Department of Information Technology -Transportation, GIS UnitGIS Data and Services ConsultantContact information:gishelp@ncdot.govCentury Center – Building B1020 Birch Ridge DriveRaleigh, NC 27610Hours of service: 9:00am - 5:00pm Monday – FridayContact instructions: Please send an email with any issues, questions, or comments regarding the State Boundary data. If it is an immediate need, please indicate as such in the subject line in an email.NCDOT GIS Unit GO! NC Product Team

  7. n

    North Carolina Parcels (Centroids)

    • nconemap.gov
    • maps-cadoc.opendata.arcgis.com
    • +3more
    Updated Jan 1, 2016
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    NC OneMap / State of North Carolina (2016). North Carolina Parcels (Centroids) [Dataset]. https://www.nconemap.gov/maps/north-carolina-parcels-centroids
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    Dataset updated
    Jan 1, 2016
    Dataset authored and provided by
    NC OneMap / State of North Carolina
    License

    https://www.nconemap.gov/pages/termshttps://www.nconemap.gov/pages/terms

    Area covered
    Description

    NOTE: To download parcels by county DO NOT use the map. Instead:click the Download buttonclick Download parcels by county or all counties at oncescroll to the Direct Data Downloads section and download your dataThis digital geospatial dataset represents parcel boundaries with standard core attributes for a collection of parcel data from North Carolina county data producers and the Eastern Band of Cherokee Indians. The Integrated Cadastral Data Exchange project transformed source datasets from county data producers to create a standardized dataset with consistent attributes (fields). The individual standardized county datasets were aggregated into a single dataset. The aggregated parcel dataset includes all 100 counties in North Carolina plus lands of the Eastern Band of Cherokee Indians. The source geometry is retained as published by individual county data producers. This dataset includes attributes such as ownership, area in acres, assessed value, and other core cadastral attributes. Web services have both polygons (parcel boundaries) and points representing each property, placed at or near the geometric center, with the same set of attributes.See the NC OneMap parcels page for more information.

  8. c

    Cumberland County Zip Code Map

    • opendata.co.cumberland.nc.us
    • hub.arcgis.com
    Updated Jul 30, 2018
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    Cumberland County, NC (2018). Cumberland County Zip Code Map [Dataset]. https://opendata.co.cumberland.nc.us/documents/09ffa7369d2a4062b9a7cae93d01230d
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    Dataset updated
    Jul 30, 2018
    Dataset authored and provided by
    Cumberland County, NC
    Area covered
    Cumberland County
    Description

    Cumberland County Zip Codes

  9. Z

    BVNA Community Informatics Project Dataset I

    • data.niaid.nih.gov
    Updated Jul 11, 2024
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    McKay, Laurie; Clement, Gail (2024). BVNA Community Informatics Project Dataset I [Dataset]. https://data.niaid.nih.gov/resources?id=zenodo_8260155
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    Dataset updated
    Jul 11, 2024
    Dataset provided by
    University of North Carolina at Greensboro
    Beaverdam Valley Neighborhood Association
    Authors
    McKay, Laurie; Clement, Gail
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    This collection comprises geospatial datasets used to create the Beaverdam Valley Neighborhood Association community map and the resulting map in pdf and jpeg formats. This scope of the map covers the borders of Buncombe County, North Carolina, the city limits of Asheville, NC, and the three registered neighborhoods of the Beaverdam Valley (Beaverdam Valley, Hills of Beaverdam, and Beaverdam Run). The geospatial data includes the following layers and associated files:

    "AVL City Limits.geojson": City of Asheville GIS municipal boundary data

    "AVL City Limits.qmd": QGIS metadata file for the above

    "AVL Neighborhoods.geojson": City of Asheville GIS registered neighborhood data

    "AVL Neighborhoods.qmd": QGIS metadata file for the above

    "Buncombe_County_Parcels.geojson": Buncombe County GIS parcel data.

    "Buncombe_County_Parcels.qmd": QGIS metadata file for the above

    "BV Boundaries.geojson": Beaverdam Valley Neighborhood boundaries.

    "BV Boundaries.qmd": QGIS metadata file for the above

    "BV Parcel Intersection.geojson": Intersection of the Beverdam Valley Neighborhood boundaries with the Buncombe County Parcel data.

    "BV Parcel Intersection.qmd": QGIS metadata file for the above

    "BVNA_Map_2022_v2.pdf": BVNA CIP Community Map

    "BVNA_Map_2022_v2_825.jpg": BVNA CIP Community Map

    "City Limits.geojson": Buncombe county boundaries and city limits boundaries witin the county.

    "QGIS BVNA CIP.zip": Zip file containing the above layers in a QGIS project folder and file.

    About the Project: The Beaverdam Valley Neighborhood Association (BVNA) Community Informatics Project aims to gain deeper understanding of the Beaverdam Valley community and to work towards gathering and sharing information about the community and its history. This collection represents a deliverable produced under the 2022-2023 City of Asheville Neighborhood Matching Grant program.

  10. n

    1990 Census TIGER/Lines (polys)

    • nconemap.gov
    • hub.arcgis.com
    • +1more
    Updated Dec 1, 1998
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    NC OneMap / State of North Carolina (1998). 1990 Census TIGER/Lines (polys) [Dataset]. https://www.nconemap.gov/datasets/1990-census-tiger-lines-polys/about
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    Dataset updated
    Dec 1, 1998
    Dataset authored and provided by
    NC OneMap / State of North Carolina
    License

    https://www.nconemap.gov/pages/termshttps://www.nconemap.gov/pages/terms

    Area covered
    Description

    The NC Center for Geographic Information and Analysis, using US Department of Commerce, Bureau of the Census data, developed the GIS data set versions of the 1990 Census TIGER/Line files for each of the 100 counties in North Carolina. This data is stored in a county library under the layer name tiger90. Associated attribute tables also reside in each tile workspace.

  11. c

    City Limits

    • opendata.co.cumberland.nc.us
    • hub.arcgis.com
    Updated Apr 8, 2022
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    Cumberland County, NC (2022). City Limits [Dataset]. https://opendata.co.cumberland.nc.us/maps/city-limits-1/about
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    Dataset updated
    Apr 8, 2022
    Dataset authored and provided by
    Cumberland County, NC
    Area covered
    Description

    City limit boundaries for City of Fayetteville, Town of Hope Mills, Town of Spring Lake, Town of Eastover, Town of Stedman, Town of Wade, Town of Godwin, Town of Falcon and Town of Linden.

  12. n

    North Carolina Reference Wall Map

    • nconemap.gov
    • hub.arcgis.com
    • +1more
    Updated Sep 23, 2019
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    NC OneMap / State of North Carolina (2019). North Carolina Reference Wall Map [Dataset]. https://www.nconemap.gov/documents/39a76c6e86a44c3f8d699c9fc0b8fc91
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    Dataset updated
    Sep 23, 2019
    Dataset authored and provided by
    NC OneMap / State of North Carolina
    License

    https://www.nconemap.gov/pages/termshttps://www.nconemap.gov/pages/terms

    Area covered
    North Carolina
    Description

    A 60" x 32" general reference wall map containing roads, boundaries (state, county, and municipal), and major water bodies.

  13. A

    North Carolina Wall Map (PDF format)

    • data.amerigeoss.org
    • data.wu.ac.at
    pdf
    Updated Jul 29, 2019
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    United States (2019). North Carolina Wall Map (PDF format) [Dataset]. https://data.amerigeoss.org/sv/dataset/ce98273a-7db4-41ca-81be-9fe5915d8454
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    pdfAvailable download formats
    Dataset updated
    Jul 29, 2019
    Dataset provided by
    United States
    Area covered
    North Carolina
    Description

    Generic wall map of North Carolina showing roads, water bodies, and county/municipal boundaries. The map is in PDF format and is 60" x 32". It is suitable for printing. The map was created in February 2012.

  14. c

    Parcels

    • opendata.co.cumberland.nc.us
    Updated Nov 14, 2023
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    Cumberland County, NC (2023). Parcels [Dataset]. https://opendata.co.cumberland.nc.us/items/878b32d2b10644d9848325ce99fba001
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    Dataset updated
    Nov 14, 2023
    Dataset authored and provided by
    Cumberland County, NC
    Area covered
    Description

    Detailed information on individual parcels within Cumberland County, NC, including the City of Fayetteville, the Town of Hope Mills, the Town of Spring Lake, the Town of Eastover, the Town of Falcon, the Town of Godwin, the Town of Linden, the Town of Stedman, and the Town of Wade. Attributes include:Parcel REID (PIN Number): A unique identifier assigned to each parcel for tax purposes.Owner Information: Name and contact details of the property owner(s).Parcel Boundaries: Geospatial data defining the exact boundaries of each parcel.Assessed Value: The assessed value of the land and any improvements for property tax purposes.Land Use: Current land use classification (e.g., residential, commercial, agricultural).Size: Area of the parcel in square feet or acres.Zoning: Zoning classification and any applicable zoning restrictions.Legal Descriptions: Detailed legal description of the parcel boundaries and location.This layer is crucial for tax assessors, urban planners, developers, and other stakeholders who require accurate and up-to-date parcel information for decision-making and operational purposes. It supports a wide range of applications, including property tax assessments, land use planning, infrastructure development, and real estate transactions.More information at https://cumberlandgis.maps.arcgis.com/apps/webappviewer/index.html?id=a6ea68995c2349e9a177366288589be7

  15. c

    Contours

    • opendata.co.cumberland.nc.us
    Updated Nov 18, 2016
    + more versions
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    Cumberland County, NC (2016). Contours [Dataset]. https://opendata.co.cumberland.nc.us/maps/329e2c344eb541b4bb79bbf50573323d
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    Dataset updated
    Nov 18, 2016
    Dataset authored and provided by
    Cumberland County, NC
    Area covered
    Description

    Cumberland County contour lines of 2ft, 4ft,20, and 100ft

  16. i

    Human Geography Map

    • indianamap.org
    • pacificgeoportal.com
    • +19more
    Updated Feb 2, 2017
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    Esri (2017). Human Geography Map [Dataset]. https://www.indianamap.org/maps/3582b744bba84668b52a16b0b6942544
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    Dataset updated
    Feb 2, 2017
    Dataset authored and provided by
    Esri
    Area covered
    Description

    The Human Geography Map (World Edition) web map provides a detailed vector basemap with a monochromatic style and content adjusted to support Human Geography information. Where possible, the map content has been adjusted so that it observes WCAG contrast criteria.This basemap, included in the ArcGIS Living Atlas of the World, uses 3 vector tile layers:Human Geography Label, a label reference layer including cities and communities, countries, administrative units, and at larger scales street names.Human Geography Detail, a detail reference layer including administrative boundaries, roads and highways, and larger bodies of water. This layer is designed to be used with a high degree of transparency so that the detail does not compete with your information. It is set at approximately 50% in this web map, but can be adjusted.Human Geography Base, a simple basemap consisting of land areas in a very light gray only.The vector tile layers in this web map are built using the same data sources used for other Esri Vector Basemaps. For details on data sources contributed by the GIS community, view the map of Community Maps Basemap Contributors. Esri Vector Basemaps are updated monthly.Learn more about this basemap from the cartographic designer in Introducing a Human Geography Basemap.Use this MapThis map is designed to be used as a basemap for overlaying other layers of information or as a stand-alone reference map. You can add layers to this web map and save as your own map. If you like, you can add this web map to a custom basemap gallery for others in your organization to use in creating web maps. If you would like to add this map as a layer in other maps you are creating, you may use the tile layer item referenced in this map.

  17. n

    NCDOT Road Characteristics

    • nconemap.gov
    • hub.arcgis.com
    • +1more
    Updated Dec 6, 2013
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    North Carolina Department of Transportation (2013). NCDOT Road Characteristics [Dataset]. https://www.nconemap.gov/datasets/NCDOT::ncdot-road-characteristics
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    Dataset updated
    Dec 6, 2013
    Dataset authored and provided by
    North Carolina Department of Transportation
    Area covered
    Description

    This service provides lines representing statewide road centerlines on publicly 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 data 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 data 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 data is updated quarterly, usually February, May, August, and November.MetadataThe metadata for the contained layer of the NCDOT Road Characteristics Service is available through the following link:Public Road CharacteristicsPoint of Contact North Carolina Department of Information Technology -Transportation, GIS UnitGIS Data and Services ConsultantContact information:gishelp@ncdot.govCentury Center – Building B1020 Birch Ridge DriveRaleigh, NC 27610Hours of service: 9:00am - 5:00pm Monday – FridayContact instructions: Please send an email with any issues, questions, or comments regarding the Road Characteristics data. If it is an immediate need, please indicate as such in the subject line in an email.NCDOT GIS Unit GO! NC Product TeamLastUpdated: 2024-11-11 00:00:00

  18. USGS National Map

    • data.openlaredo.com
    • data.buncombecounty.org
    • +22more
    html
    Updated Apr 11, 2025
    + more versions
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    GIS Portal (2025). USGS National Map [Dataset]. https://data.openlaredo.com/dataset/usgs-national-map
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    htmlAvailable download formats
    Dataset updated
    Apr 11, 2025
    Dataset provided by
    Esrihttp://esri.com/
    Authors
    GIS Portal
    Description

    The USGS Topo base map service from The National Map is a combination of contours, shaded relief, woodland and urban tint, along with vector layers, such as geographic names, governmental unit boundaries, hydrography, structures, and transportation, to provide a composite topographic base map. Data sources are the National Atlas for small scales, and The National Map for medium to large scales.

  19. n

    NCDOT State Maintained Roads

    • nconemap.gov
    • nc-onemap-2-nconemap.hub.arcgis.com
    Updated Dec 6, 2013
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    North Carolina Department of Transportation (2013). NCDOT State Maintained Roads [Dataset]. https://www.nconemap.gov/datasets/157dbc4ef33f4db4aa1ecc1a3182a375
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    Dataset updated
    Dec 6, 2013
    Dataset authored and provided by
    North Carolina Department of Transportation
    Area covered
    Description

    This service provides a quarterly snapshot of the North Carolina state-maintained road network centerlines. Here, the route network is divided into three layers with symbolized Route Classifications listed below.State Maintained RoadsInterstateUS RouteNC RouteSecondary RouteRampsRest AreasOther State Agency RouteState Maintained Roads - Primary RoadsInterstateUS RouteNC RouteState Maintained Roads - InterstatesInterstateNorth Carolina’s route network is comprised of Interstate, US, NC, Secondary Roads, Ramps, and non-state maintained and projected roads required for federal reporting purposes. Route attributes include Route Class, Route Qualifier, Route Inventory, Route Number, Route Name, and County name. The Route ID attribute is an 11-digit composite route number, the identifier for the Dominant Route. It uniquely identifies routes statewide and should be used as the route identifier when performing LRS analysis using route/milepost referencing.NCDOT adopted the road centerline based Linear Reference System (LRS) Network as it’s official Enterprise LRS, to which multiple road inventory attributes are referenced along measured routes throughout North Carolina. These routes are classified as either System or Non-System routes. System routes are routes within the state-maintained road network, and are comprised of Interstates, US Routes, NC Routes, Secondary Routes, Ramps, and Non-System Routes. Non-System routes are routes that are typically not maintained by NCDOT, but instead by a local agency (county, city or MPO/RPO). The local agency is the source for updating these Non-System routes in NCDOT’s LRS. The collection of routes, System and Non-System, is the NCDOT LRS Network referred to as MilePoint.MetadataThe metadata for the contained layers of the NCDOT State Maintained Roads service is available through the following links:NCDOT Route ArcsPoint of Contact North Carolina Department of Information Technology -Transportation, GIS UnitGIS Data and Services ConsultantContact information:gishelp@ncdot.govCentury Center – Building B1020 Birch Ridge DriveRaleigh, NC 27610Hours of service: 9:00am - 5:00pm Monday – FridayContact instructions: Please send an email with any issues, questions, or comments regarding the State Maintained Roads data. If it is an immediate need, please indicate as such in the subject line in an email.NCDOT GIS Unit GO! NC Product TeamLastUpdated: 2024-01-01 00:00:00

  20. 2023 Cartographic Boundary File (KML), Census Tract for North Carolina,...

    • catalog.data.gov
    • s.cnmilf.com
    Updated May 16, 2024
    + more versions
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    U.S. Department of Commerce, U.S. Census Bureau, Geography Division (Point of Contact) (2024). 2023 Cartographic Boundary File (KML), Census Tract for North Carolina, 1:500,000 [Dataset]. https://catalog.data.gov/dataset/2023-cartographic-boundary-file-kml-census-tract-for-north-carolina-1-500000
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    Dataset updated
    May 16, 2024
    Dataset provided by
    United States Census Bureauhttp://census.gov/
    Area covered
    North Carolina
    Description

    The 2023 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). These boundary files are specifically designed for small-scale thematic mapping. When possible, generalization is performed with the intent to maintain the hierarchical relationships among geographies and to maintain the alignment of geographies within a file set for a given year. Geographic areas may not align with the same areas from another year. Some geographies are available as nation-based files while others are available only as state-based files. Census tracts are small, relatively permanent statistical subdivisions of a county or equivalent entity, and were defined by local participants as part of the 2020 Census Participant Statistical Areas Program. The Census Bureau delineated the census tracts in situations where no local participant existed or where all the potential participants declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of census data and comparison back to previous decennial censuses. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. When first delineated, census tracts were designed to be homogeneous with respect to population characteristics, economic status, and living conditions. The spatial size of census tracts varies widely depending on the density of settlement. Physical changes in street patterns caused by highway construction, new development, and so forth, may require boundary revisions. In addition, census tracts occasionally are split due to population growth, or combined as a result of substantial population decline. Census tract boundaries generally follow visible and identifiable features. They may follow legal boundaries such as minor civil division (MCD) or incorporated place boundaries in some states and situations to allow for census tract-to-governmental unit relationships where the governmental boundaries tend to remain unchanged between censuses. State and county boundaries always are census tract boundaries in the standard census geographic hierarchy. In a few rare instances, a census tract may consist of noncontiguous areas. These noncontiguous areas may occur where the census tracts are coextensive with all or parts of legal entities that are themselves noncontiguous. For the 2010 Census and beyond, the census tract code range of 9400 through 9499 was enforced for census tracts that include a majority American Indian population according to Census 2000 data and/or their area was primarily covered by federally recognized American Indian reservations and/or off-reservation trust lands; the code range 9800 through 9899 was enforced for those census tracts that contained little or no population and represented a relatively large special land use area such as a National Park, military installation, or a business/industrial park; and the code range 9900 through 9998 was enforced for those census tracts that contained only water area, no land area.

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North Carolina Department of Transportation (2013). NCDOT County Boundaries [Dataset]. https://www.nconemap.gov/datasets/NCDOT::ncdot-county-boundaries/about

NCDOT County Boundaries

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4 scholarly articles cite this dataset (View in Google Scholar)
Dataset updated
Nov 21, 2013
Dataset authored and provided by
North Carolina Department of Transportation
Area covered
Description

This service provides vector polygon dataset defining the official boundaries of the 100 counties within North Carolina as well as the boundaries between North Carolina and the states which border North Carolina.The North Carolina county polygon boundary service provides location information for North Carolina State and County Boundary lines derived from the best available survey and/or Geographic Information System (GIS) data. Sources for information are the North Carolina Geodetic Survey (NCGS), NC Department of Transportation (NCDOT), United States Geological Survey (USGS), and field surveys conducted by licensed surveyors in North Carolina and neighboring states that have been approved and recorded in their respective counties. Some boundaries cannot be surveyed in cases where boundaries are coincident with river centers. North Carolina Geodetic Survey assists counties on a cooperative basis (NC General Statute 153A-18) in defining and monumenting the location of uncertain or disputed boundaries as established by law. Some counties have completed boundary surveys for at least a portion of their county boundary. However, the majority of county boundaries have not been surveyed and are represented by the best currently available data from GIS sources, including NCDOT county maps (which originally came from the USGS) and updated county parcel maps.This data is updated annually, first quarter (usually in February).MetadataThe metadata for the contained layer of the NCDOT County Boundaries Service is available through the following link:County Boundaries PolygonPoint of Contact North Carolina Department of Information Technology -Transportation, GIS UnitGIS Data and Services ConsultantContact information:gishelp@ncdot.govCentury Center – Building B1020 Birch Ridge DriveRaleigh, NC 27610Hours of service: 9:00am - 5:00pm Monday – FridayContact instructions: Please send an email with any issues, questions, or comments regarding the County Boundaries data. If it is an immediate need, please indicate as such in the subject line in an email.NCDOT GIS Unit GO! NC Product Team

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