[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: 49CFR236.54]

[Page 494]
 
                        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. 236.54  Minimum length of track circuit.

    When a track circuit shorter than maximum inner wheelbase of any 
locomotive or car operated over such track circuit is used for control 
of signaling facilities, other means shall be used to provide the 
equivalent of track circuit protection.

[49 FR 3383, Jan. 26, 1984]