[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR234.235]

[Page 477]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 234--GRADE CROSSING SIGNAL SYSTEM SAFETY--Table of Contents
 
             Subpart D--Maintenance, Inspection, and Testing
 
Sec. 234.235  Insulated rail joints.

    Each insulated rail joint used to separate train detection circuits 
of a highway-rail grade crossing shall be maintained to prevent current 
from flowing between rails separated by the insulation in an amount 
sufficient to cause a failure of the train detection circuit.