[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR236.201]

[Page 646]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 236_RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, 
 
                Subpart B_Automatic Block Signal Systems
 
Sec.  236.201  Track-circuit control of signals.

                                Standards


    The control circuits for home signal aspects with indications more 
favorable than ``proceed at restricted speed'' shall be controlled 
automatically by track circuits extending through the entire block.