[Code of Federal Regulations]

[Title 49, Volume 4]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 49CFR236.13]



[Page 590]

 

                        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. 236.13  Spring switch; selection of signal control circuits through 

circuit controller.



    The control circuits of signals governing facing movements over a 

main track spring switch shall be selected through the contacts of a 

switch circuit controller, or through the contacts of relay repeating 

the position of such circuit controller, which, when normally closed 

switch point is open one-fourth inch or more, will cause such signals to 

display their most restrictive aspects, except that where a separate 

aspect is displayed for facing movements over the switch in the reverse 

position the signal shall display its most restrictive aspect when the 

switch points are open one-fourth inch or more from either the normal or 

reverse position.