Code of Federal Regulations > Title 49 > Chapter II > Part 222 > Subpart C - Subpart C—Exceptions to the Use of the Locomotive Horn

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

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?