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Regulations last checked for updates: Feb 03, 2026
Title 49 - Transportation last revised: Jan 27, 2026
All Titles
Title 49
Chapter II
Part 222
Subpart C - Subpart C—Exceptions to the Use of the Locomotive Horn
SILENCED HORNS AT INDIVIDUAL CROSSINGS
§ 222.33 - Can locomotive horns be silenced at an individual public highway-rail grade crossing which is not within a quiet zone?
§ 222.31 - [Reserved]
SILENCED HORNS AT GROUPS OF CROSSINGS—QUIET ZONES
§ 222.35 - What are the minimum requirements for quiet zones?
§ 222.37 - Who may establish a quiet zone?
§ 222.38 - Can a quiet zone be created in the Chicago Region?
§ 222.39 - How is a quiet zone established?
§ 222.41 - How does this rule affect Pre-Rule Quiet Zones and Pre-Rule Partial Quiet Zones?
§ 222.42 - How does this rule affect Intermediate Quiet Zones and Intermediate Partial Quiet Zones?
§ 222.43 - What notices and other information are required to create or continue a quiet zone?
§ 222.45 - When is a railroad required to cease routine sounding of locomotive horns at crossings?
§ 222.47 - What periodic updates are required?
§ 222.49 - Who may file Grade Crossing Inventory Forms?
§ 222.51 - Under what conditions will quiet zone status be terminated?
§ 222.53 - What are the requirements for supplementary and alternative safety measures?
§ 222.55 - How are new supplementary or alternative safety measures approved?
§ 222.57 - Can parties seek review of the Associate Administrator's actions?
§ 222.59 - When may a wayside horn be used?
authority:
49 U.S.C. 20103
,
20107
,
20153
,
21301
,
21304
;
28 U.S.C. 2461
note; and
49 CFR 1.89
source:
71 FR 47634, Aug. 17, 2006, unless otherwise noted.
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