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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 49
Chapter II
Part 222
Subpart B - Subpart B—Use of Locomotive Horns
§ 222.21 - When must a locomotive horn be used?
§ 222.23 - How does this regulation affect sounding of a horn during an emergency or other situations?
§ 222.25 - How does this rule affect private highway-rail grade crossings?
§ 222.27 - How does this rule affect pedestrian grade crossings?
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