[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: 49CFR236.202]

[Page 549]
 
                        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. 236.202  Signal governing movements over hand-operated switch.

    Signal governing movements over hand-operated switch in the facing 
direction shall display its most restrictive aspect when the points are 
open one-fourth inch or more and, in the trailing direction, three-
eighths inch or more, except that where a separate aspect is displayed 
for facing movements over the switch in the normal and in the reverse 
position, the signal shall display its most restrictive aspect when the 
switch points are open one-fourth inch or more from either the normal or 
reverse position.