NHDOT GIS Quarterly Snapshot Layers List:
AIRPORTS_ALL
AIRPORTS_DRIVETIME_30
AIRPORTS_DRIVETIME_60
AIRPORTS_FAA_REGISTERED
AIRPORTS_NEIGHBOR_STATE
AIRPORTS_UAS_OPERATOR_BUFFERS
BOUNDARY_COUNTIES
BOUNDARY_DISTRICTS
BOUNDARY_EXECUTIVE_COUNCIL
BOUNDARY_LINES
BOUNDARY_PARKS_FOREST
BOUNDARY_PLACES
BOUNDARY_RPC
BOUNDARY_SENATE_DISTRICTS
BOUNDARY_STATE
BOUNDARY_TOWNS
BOUNDARY_TROOP
BOUNDARY_URBAN_2000
BOUNDARY_URBAN_2010
BRIDGE_HISTORIC
BRIDGE_PONTIS_DECKS
BRIDGE_PONTIS_POINTS
DRIVEWAY_PERMITS_WEB
FACILITIES_FUEL_SITES
FACILITIES_NHDOT
HIGHWAYS_EXITS
HIGHWAYS_GUARDRAIL
HIGHWAYS_MILE_MARKERS
HIGHWAYS_NODES
HIGHWAYS_ROAD_INVENTORY
HIGHWAYS_ROADS
HIGHWAYS_ROUTES_OUT_OF_STATE
HIGHWAYS_SIGNALS_AND_BEACONS
HIGHWAYS_SRI_ROUTES
HIGHWAYS_SRI_ROUTES_HIORDER
HIGHWAYS_STREET_LIGHTING
HYDRO_ALL
HYDRO_INTERMITTENT_STREAMS
HYDRO_STATEWIDE
HYDRO_STREAMS
INDEX_AERIAL
PROJECTS_ALL
PROJECTS_FEATURES
PROJECTS_RUMBLE_STRIPS
SADES_CCDS_DRAINAGE_STRUCTURE
SADES_CCDS_INLET
SADES_CCDS_OUTLET
SADES_CCDS_PIPE
SADES_PAVE_AS_BUILTS
SADES_PED_ACCESS_BUTTONS
SADES_PED_CROSSWALKS
SADES_PED_CURB_RAMPS
SADES_PED_SIDEWALKS
TMC_ITS_DEVICES
TOWN_INFORMATION
TRANSPORTATION_AIRPORTS
TRANSPORTATION_PUBLIC
TRANSPORTATION_RAILS