NHDOT Bureau of Planning & Community Assistance 20260707 vector digital data Concord, New Hampshire NH Department of Transportation, Bureau of Planning & Community Assistance NHDOT 2026 Quarterly Snapshot <URL:https://granit24a.sr.unh.edu/hosting/rest/services/Hosted/GV_BaseLayers/FeatureServer/18> <URL:https://ftp.granit.sr.unh.edu/GRANIT_Data/Vector_Data/Transportation_Networks/d-roads/> Statewide dataset containing the location of state, local and selected private roads and their associated attributes, including road names. For attribute data dictionary, see the file RDIUserGuide.pdf The data may be used to map the statewide road network, and/or to query for physical and administrative features of individual road segments. Data distribution tile: statewide NH Public Roads represents the most frequently distributed dataset. Additional transportation-related datasets may be available directly from NHDOT. 20260707 NHDOT road network as of July 7, 2026 Complete Quarterly -72.593213 -70.675318 45.285680 42.693946 None Public Roads Road Inventory Roads Private Roads State Roads Road Network Transportation Transportation Networks None United States Northeast New England New Hampshire This data set is the property of the State of New Hampshire and is available for public use under the State's Right-to-Know laws. This data set is under continual review and is not guaranteed to be free of errors or omissions. Glenn L Davison, PE NHDOT Bureau of Planning & Community Assistance GIS Project Manager mailing and physical address

NH Department of Transportation, Bureau of Planning & Community Assistance

PO Box 483, 7 Hazen Drive

Concord NH 03301-0483 (603)271-7145 (603)271-8093 gdavison@dot.state.nh.us 8 AM to 4:30 PM New Hampshire Department of Transportation, Bureau of Planning & Community Assistance Attributes are collected by field inspection and verified by logical and visual validation. The data set was generated from a centerline base layer that is part of a geodatabase topology These data represent statewide coverage, although they are continually being updated and enhanced. The coordinate data were generated from standard USGS 1:24,000/1:25,000-scale Digital Line Graphs, augmented by and improved with data collected by GPS and post-processed. They meet National Map Accuracy standards. Vertical positional accuracy is not assessed. US Geological Survey or another mapping agency in cooperation with USGS 19900101 1 Map Reston, VA US Geological Survey None <URL:http://earthexplorer.usgs.gov> US Geological Survey Unknown Reston, VA US Geological Survey <URL:http://www.usgs.gov> 24000 CD-ROM 19530101 19900101 publication date DLG-3 The DLG files provided the basic coordinate information for the statewide road network. Roadway centerline for the state system has been re-aligned to the state's 2010 high-resolution ortho imagery (1 foot resolution) or updated using sub-meter GPS coordinates. Local roadway network is being updated to the 2010 imagery. Road names are being coordinating with New Hampshire Department of Safety, Emergency Management E-911. Current Projection NH State Plane 83 NHDOT SDE Highway_Roads Feature Class Unknown NH Public Roads Vector String 112,827 Transverse Mercator 0.999967 -71.666667 42.500000 984250.000000 0.000000 coordinate pair 0.000328 0.000328 survey feet North American Datum of 1983 Geodetic Reference System 80 6378137.000000 298.257222 For a complete description of the attribute information, see the file 2018RDIUserGuide_Oct30.pdf See 2018RDIUserGuide_Oct30.pdf Earth Systems Research Center, University of New Hampshire GRANIT Database Manager GRANIT Database Manager mailing and physical address

Morse Hall, University of New Hampshire

Durham NH 03824 603-862-1214 603-862-0188 granit@unh.edu 9 AM - 5 PM, EST Downloadable Data These digital data represent the efforts of the NH Department of Transportation to deliver an accurate statewide road network with updated road inventory information. No claim is made as to the validity or reliability or to any implied uses of these data. ESRI Shapefile 318 CD-ROM ESRI Shapefile No charge when downloaded from website. Cost of reproduction for provision on CD/DVD or other media. 20260707 Glenn L Davison, PE NHDOT Bureau of Planning & Community Assistance GIS Project Manager mailing and physical address

NH Department of Transportation, Bureau of Planning & Community Assistance

PO Box 483, 7 Hazen Drive

Concord NH 03301-0483 (603)271-7145 (603)271-8093 gdavison@dot.state.nh.us FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 local time This data set is the property of the State of New Hampshire and is available for public use under the state Right-to-Know laws. This data set is under continual review and is not guaranteed to be free of errors or omissions. http://www.esri.com/metadata/esriprof80.html ESRI Metadata Profile