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National Tunnel Inspection Standards

This final rule establishes the National Tunnel Inspection Standards (NTIS) for highway tunnels. The NTIS require tunnel owners to establish a program for the inspection of high...

This final rule establishes the National Tunnel Inspection Standards (NTIS) for highway tunnels. The NTIS require tunnel owners to establish a program for the inspection of highway tunnels, to maintain a tunnel inventory, to report the inspection findings to FHWA, and to correct any critical findings found during these inspections.

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Federal Register Citation

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80 FR 41350

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“National Tunnel Inspection Standards,” thefederalregister.org (July 14, 2015), https://thefederalregister.org/documents/2015-16896/national-tunnel-inspection-standards.