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United States National Tunnel Inventory 2022

US Bureau of Transportation Statistics (BTS)
  • Added 15 Sep 2022

The National Tunnel Inventory Elements dataset was compiled on March 15, 2022 and published on June 15, 2022 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The National Tunnel Inventory (NTI) is a collection of information (database) describing the more than 500 of the Nation's tunnels located on public roads, including Interstate Highways, U.S. highways, State and county roads, as well as publicly-accessible tunnels on Federal lands. The inventory data present a complete picture of the location, description, and classification data for each tunnel, as well as any load rating and inspection information. The element data present a breakdown of the condition of each structural and civil element for each tunnel on the National Highway System (NHS).

Information

CategoryTransportation > Roads & Highways
Tagsdot, tunnel, transportation
Copyright Copyright may apply. Please check the source for more information.
RegionsUnited States of America

Technical Details

Layer ID 110455
Data type Vector point
Feature count 552
Attributes tunnel_number_i1, tunnel_name_i2, state_code_i3, county_code_i4, place_code_i5, highway_agency_district_i6, route_number_i7, route_direction_i8, route_type_i9, facility_carried_i10, lrs_route_id_i11, lrs_mile_point_i12, tunnel_portals_latitude_i13, tunnel_portals_longitude_i14, border_tunnel_state_or_country_code_i15, border_tunnel_financial_responsibility_i16, border_tunnel_number_i17, border_tunnel_inspection_responsibility_i18, year_built_a1, year_rehabilitated_a2, number_of_lanes_a3, annual_average_daily_traffic_a4, annual_average_daily_truck_traffic_a5, year_of_annual_average_daily_traffic_a6, detour_length_a7, service_in_tunnel_a8, owner_c1, operator_c2, direction_of_traffic_c3, toll_c4, nhs_designation_c5, strahnet_designation_c6, functional_classification_c7, urban_code_c8, tunnel_length_g1, minimum_vertical_clearance_over_tunnel_roadway_g2, roadway_width_curb_to_curb_g3, left_sidewalk_width_g4, right_sidewalk_width_g5, routine_inspection_target_date_d1, actual_routine_inspection_date_d2, routine_inspection_interval_d3, in_depth_inspection_d4, damage_inspection_d5, special_inspection_d6, load_rating_method_l1, inventory_load_rating_factor_l2, operating_load_rating_factor_l3, tunnel_load_posting_status_l4, posting_load_gross_l5, posting_load_axle_l6, posting_load_type_3_l7, posting_load_type_3S2_l8, posting_load_type_3_3_l9, height_restriction_l10, hazardous_material_restriction_l11, other_restrictions_l12, under_navigable_waterway_n1, navigable_waterway_clearance_n2, tunnel_or_portal_island_protection_from_navigation_n3, number_of_bores_s1, tunnel_shape_s2, portal_shape_s3, ground_conditions_s4, complex_s5,
Services Vector Query API, Web Feature Service (WFS)

History

Sourcegeo.dot.gov
Added 15 Sep 2022 ago
Last checked 15 Sep 2022 ago
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