49 CFR 174.86
§ 174.86 Maximum allowable operating speed.
United States · 49 CFR — Transportation · Status: effective
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- Citation
- 49 CFR 174.86, § 174.86 Maximum allowable operating speed, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/256177
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Full text
(a) For molten metals and molten glass shipped in packagings other than those prescribed in § 173.247 of this subchapter, the maximum allowable operating speed may not exceed 24 km/hour (15 mph) for shipments by rail.
(b) For trains transporting any loaded, placarded tank cars containing a material poisonous by inhalation, the maximum allowable operating speed may not exceed 80.5 km/hour (50 mph) for shipments by rail.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.