[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR236.54]

[Page 547]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 236_RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, 
 
              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]