C.F.R. » Title 23 » CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS › PART 650—BRIDGES, STRUCTURES, AND HYDRAULICS › Subpart E—National Tunnel Inspection Standards

23 C.F.R. § 650.501

Purpose

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This subpart sets the national minimum standards for the proper safety inspection and evaluation of all highway tunnels in accordance with 23 U.S.C. 144(h) and the requirements for preparing and maintaining an inventory in accordance with 23 U.S.C. 144(b).