[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: 49CFR236.301]

[Page 497-498]
 
                        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 C--Interlocking
 
Sec. 236.301  Where signals shall be provided.

                                Standards


    Signals shall be provided to govern train movements into and through 
interlocking limits, except that a signal shall not be required to 
govern movements over a hand-operated switch into interlocking limits if 
the switch is provided with an electric lock and a derail at the 
clearance point, either pipe-connected to the switch or independently 
locked, electrically. Electric locks installed under this rule

[[Page 498]]

must conform to the time and approach locking requirements of Rule 314 
(without reference to the 20-mile exceptions), and those of either Rule 
760 or Rule 768, as may be appropriate.