49 CFR 174.86 - Maximum allowable operating speed.

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§ 174.86 Maximum allowable operating speed.

(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.

[74 FR 1801, Jan. 13, 2009]

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United States Code

Title 49 published on 2015-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 174 after this date.

  • 2015-11-18; vol. 80 # 222 - Wednesday, November 18, 2015
    1. 80 FR 71952 - Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Response to appeals.
      November 18, 2015.
      49 CFR Parts 171, 172, 173, 174, and 179