§ 177.810 Vehicular tunnels.
Current through Sep 25, 2026 · Read all of Part 177
Except as regards Class 7 (radioactive) materials, nothing contained in parts 170-189 of this subchapter shall be so construed as to nullify or supersede regulations established and published under authority of State statute or municipal ordinance regarding the kind, character, or quantity of any hazardous material permitted by such regulations to be transported through any urban vehicular tunnel used for mass transportation.
[Amdt. 177-52, 46 FR 5316, Jan. 19, 1981, as amended by Amdt. 177-78, 55 FR 52710, Dec. 21, 1990; 62 FR 51561, Oct. 1, 1997]
Interpretation letters (2)
- The Regulatory Authority of the HMR and FMCSR — PHMSA, Nov 7, 2002
- Highway Routing of Marine Pollutants Through Tunnels — PHMSA, Jan 12, 1994