Frog guard rails and guard faces; gage.

  1. Law
  2. CFR 49
  3. Transportation
  4. Other Regulations Relating to Transportation
  5. Federal Railroad Administration, Department of Transportation
  6. Track Safety Standards
  7. Train Operations at Track Classes 6 and Higher
  8. Frog guard rails and guard faces; gage.

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§ 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 -

Expand Table
Class of track Guard check gage Guard face gage
The distance between the gage line of a frog to the guard line1 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′61⁄2″ 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]


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