[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: 49CFR236.18]



[Page 591]

 

                        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. 236.18  Software management control plan.



    (a) Within 6 months of June 6, 2005, each railroad shall develop and 

adopt a software management control plan for its signal and train 

control systems. A railroad commencing operations after June 6, 2005, 

shall adopt a software management control plan for its signal and train 

control systems prior to commencing operations.

    (b) Within 30 months of the completion of the software management 

control plan, each railroad shall have fully implemented such plan.

    (c) For purposes of this section, ``software management control 

plan'' means a plan designed to ensure that the proper and intended 

software version for each specific site and location is documented 

(mapped) and maintained through the life-cycle of the system. The plan 

must further describe how the proper software configuration is to be 

identified and confirmed in the event of replacement, modification, or 

disarrangement of any part of the system.



[70 FR 11095, Mar. 7, 2005]



                     Roadway Signals and Cab Signals