[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: 49CFR234.225]

[Page 476]
 
                        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. 234.225  Activation of warning system.

    A highway-rail grade crossing warning system shall be maintained to 
activate in accordance with the design of the warning system, but in no 
event shall it provide less than 20 seconds warning time for the normal 
operation of through trains before the grade crossing is occupied by 
rail traffic.