The guard check and guard face gages in frogs shall be within the limits prescribed in the following table—
Class of track
Guard check gage—The 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 gage—The distance between guard lines, 1 measured across the track at right angles to the gage line, 2 may not be more than—
Class 6 track
Class 7 track
Class 8 track
Class 9 track
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.
Title 49 published on 2012-10-01
The following are only the Rules published in the Federal Register after the published date of Title 49.
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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.