[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR222.47]

[Page 295]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 222_USE OF LOCOMOTIVE HORNS AT PUBLIC HIGHWAY-RAIL GRADE CROSSINGS--Table 
 
         Subpart C_Exceptions to the Use of the Locomotive Horn
 
Sec.  222.47  What periodic updates are required?

    (a) Quiet zones with SSMs at each public crossing. This paragraph 
addresses quiet zones established pursuant to Sec. Sec.  222.39(a)(1), 
222.41(a)(1)(i), and 222.41(b)(1)(i) (quiet zones with an SSM 
implemented at every public crossing within the quiet zone) of this 
part. Between 4\1/2\ and 5 years after the date of the quiet zone 
establishment notice provided by the public authority under Sec.  222.43 
of this part, and between 4\1/2\ and 5 years after the last affirmation 
under this section, the public authority must:
    (1) Affirm in writing to the Associate Administrator that the SSMs 
implemented within the quiet zone continue to conform to the 
requirements of appendix A of this part. Copies of such affirmation must 
be provided by certified mail, return receipt requested, to the parties 
identified in Sec.  222.43(a)(3) of this part; and
    (2) Provide to the Associate Administrator an up-to-date, accurate, 
and complete Grade Crossing Inventory Form for each public highway-rail 
grade crossing, private highway-rail grade crossing, and pedestrian 
crossing within the quiet zone.
    (b) Quiet zones which do not have a supplementary safety measure at 
each public crossing. This paragraph addresses quiet zones established 
pursuant to Sec. Sec.  222.39(a)(2) and (a)(3), Sec.  222.39(b), 
Sec. Sec.  222.41(a)(1)(ii), (a)(1)(iii), and (a)(1)(iv), and Sec. Sec.  
222.41(b)(1)(ii), (b)(1)(iii), and (b)(1)(iv) (quiet zones which do not 
have an SSM at every public crossing within the quiet zone) of this 
part. Between 2\1/2\ and 3 years after the date of the quiet zone 
establishment notice provided by the public authority under Sec.  222.43 
of this part, and between 2\1/2\ and 3 years after the last affirmation 
under this section, the public authority must:
    (1) Affirm in writing to the Associate Administrator that all SSMs 
and ASMs implemented within the quiet zone continue to conform to the 
requirements of Appendices A and B of this part or the terms of the 
Quiet Zone approval. Copies of such notification must be provided to the 
parties identified in Sec.  222.43(a)(3) of this part by certified mail, 
return receipt requested; and
    (2) Provide to the Associate Administrator an up-to-date, accurate, 
and complete Grade Crossing Inventory Form for each public highway-rail 
grade crossing, private highway-rail grade crossing, and pedestrian 
grade crossing within the quiet zone.