[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR222.33]

[Page 267-268]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 222_USE OF LOCOMOTIVE HORNS AT PUBLIC HIGHWAY-RAIL GRADE CROSSINGS
--Table of Contents
 
         Subpart C_Exceptions to the Use of the Locomotive Horn
 
Sec. 222.33  Can locomotive horns be silenced at an individual public 
highway-rail grade crossing which is not within a quiet zone?

    (a) A railroad operating over an individual public highway-rail 
crossing, may, at its discretion, cease the sounding of the locomotive 
horn if the locomotive speed is 15 miles per hour or less and train crew 
members, or appropriately equipped flaggers, as defined in 49 CFR 234.5, 
flag the crossing to provide warning of approaching trains to motorists.
    (b) This section does not apply where active grade crossing warning 
devices have malfunctioned and use of the horn is required by 49 CFR 
234.105, 234.106, or 234.107.

[[Page 268]]

           Silenced Horns at Groups of Crossings--Quiet Zones