[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR213.143]
[Page 113-114]
TITLE 49--TRANSPORTATION
CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF
TRANSPORTATION
PART 213_TRACK SAFETY STANDARDS--Table of Contents
Subpart D_Track Structure
Sec. 213.143 Frog guard rails and guard faces; gage.
The guard check and guard face gages in frogs shall be within the
limits prescribed in the following table--
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Guard check gage The distance
between the gage line of a frog
to the guard line \1\ of its Guard face gage The distance between
Class of track guard rail or guarding face, guard lines \1\, measured across the
measured across the track at track at right angles to the gage
right angles to the gage line line \2\, may not be more than--
\2\, may not be less than--
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Class 1 track........................... 4[foot]6\1/8\....... 4[foot] 5\1/4\
Class 2 track........................... 4[foot]6\1/4\....... 4[foot] 5\1/8\
Class 3 and 4 track..................... 4[foot] 6\3/8\...... 4[foot]5\1/8\
Class 5 track........................... 4[foot]6\1/2\....... 4[foot] 5
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\1\ A line along that side of the flangeway which is nearer to the center of the track and at the same elevation
as the gage line.
\2\ A line \5/8\ inch below the top of the center line of the head of the running rail, or corresponding
location of the tread portion of the track structure.
[GRAPHIC] [TIFF OMITTED] TR22JN98.006
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[GRAPHIC] [TIFF OMITTED] TR22JN98.007