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

Code of Federal Regulations - Title 49: Transportation

Updated to: October 01, 2010

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Title 49: Transportation

Subtitle B: Other Regulations Relating to Transportation (Continued)

CHAPTER II: FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

PART 213: TRACK SAFETY STANDARDS

Subpart G: Train Operations at Track Classes 6 and Higher

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?

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 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	4?61/2?	4?5?
Class 7 track	4?61/2?	4?5?
Class 8 track	4?61/2?	4?5?
Class 9 track	4?61/2?	4? 5?