49 CFR 213.355 - Frog guard rails and guard faces; gage.

Regulations last checked for updates: May 03, 2025

Title 49 - Transportation last revised: Mar 20, 2025

View all text of Subpart G [§ 213.301 - § 213.369]

§ 213.355 - 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 gage	Guard face gage
Class of track	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—	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, 7, 8 and 9 track	4′6 1/2″	4′5″

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 five-eighths of an 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.

[78 FR 16112, Mar. 13, 2013]

authority: 49 U.S.C. 20102-20114 and 20142; 28 U.S.C. 2461 note; and 49 CFR 1.89

source: 63 FR 34029, June 22, 1998, unless otherwise noted.

cite as: 49 CFR 213.355