49 CFR 213.143 - Frog guard rails and guard faces; gage.

prev | next
§ 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—
Class of track Guard check gageThe distance between the gage line of a frog to the guard line 1 of its guard rail or guarding face, measured across the track at right angles to the gage line 2, may not be less than— Guard face gageThe distance between guard lines 1, measured across the track at right angles to the gage line 2, may not be more than—
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.
Class 1 track 4′61/8 4′ 51/4
Class 2 track 4′61/4 4′ 51/8
Class 3 and 4 track 4′ 63/8 4′51/8
Class 5 track 4′61/2 4′ 5″

Title 49 published on 2014-10-01

no entries appear in the Federal Register after this date.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
Statutes at Large