[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: 49CFR236.12]

[Page 491]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
 PART 236--RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND 
APPLIANCES--Table of Contents
 
             Subpart A--Rules and Instructions: All Systems
 
Sec. 236.12  Spring switch signal protection; where required.

    Signal protection shall be provided for facing and trailing 
movements through spring switch within interlocking limits and through 
spring switch installed in automatic block signal, train stop, train 
control or cab signal territory where train movements over the switch 
are made at a speed exceeding 20 miles per hour, except that signal 
protection shall be required only with the current of traffic on track 
signaled for movement in only one direction.

    Note: Does not apply to spring switch installed prior to October 1, 
1950 in automatic block signal, automatic train stop, or automatic train 
control territory.


[49 FR 3383, Jan. 26, 1984]