United States. Federal Highway Administration. Office of Bridges and Structures (2015). Specifications for the: National Tunnel Inventory (Report No. FHWA-HIF-15-006). Federal Highway Administration (U.S.). https://rosap.ntl.bts.gov/view/dot/53654
United States. Federal Highway Administration. Office of Bridges and Structures. Specifications for the: National Tunnel Inventory. Report no. FHWA-HIF-15-006. Federal Highway Administration (U.S.), 2015. https://rosap.ntl.bts.gov/view/dot/53654.
United States. Federal Highway Administration. Office of Bridges and Structures Specifications for the: National Tunnel Inventory. Federal Highway Administration (U.S.), 2015, Report no. FHWA-HIF-15-006, ROSA P. https://rosap.ntl.bts.gov/view/dot/53654.
This document was developed in coordination with the National Tunnel Inspection Standards (NTIS) regulation 23 CFR 650 Subpart E and the Tunnel Operations, Maintenance, Inspection and Evaluation (TOMIE) Manual. It is intended to supplement the NTIS and provide the specifications for coding data required to be submitted to the National Tunnel Inventory (NTI). Data in the NTI will be used to meet legislative reporting requirements and provide tunnel owners, the Federal Highway Administration (FHWA) and the general public with information on the number and condition of the Nation’s tunnels.
United States. Federal Highway Administration. Office of Bridges and Structures (2015). Specifications for the: National Tunnel Inventory (Report No. FHWA-HIF-15-006). Federal Highway Administration (U.S.). https://rosap.ntl.bts.gov/view/dot/53654
United States. Federal Highway Administration. Office of Bridges and Structures. Specifications for the: National Tunnel Inventory. Report no. FHWA-HIF-15-006. Federal Highway Administration (U.S.), 2015. https://rosap.ntl.bts.gov/view/dot/53654.
United States. Federal Highway Administration. Office of Bridges and Structures Specifications for the: National Tunnel Inventory. Federal Highway Administration (U.S.), 2015, Report no. FHWA-HIF-15-006, ROSA P. https://rosap.ntl.bts.gov/view/dot/53654.
ROSA P serves as an archival repository of USDOT-published products including scientific
findings, journal articles, guidelines, recommendations, or other information authored or co-authored by
USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to
ensure public access to scientific information.
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