49 CFR 177.810
§ 177.810 Vehicular tunnels.
United States · 49 CFR — Transportation · Status: effective
Cite this
- Citation
- 49 CFR 177.810, § 177.810 Vehicular tunnels, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/256377
- Permanent ID
ys:prov:256377@1- SHA-256
fce4cc940035c23a63dbfd88387d527bed32083bfc2e8dc8437d5deef9198743
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.