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

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§ 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 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 1 track 4′6 1/8 4′ 5 1/4
Class 2 track 4′6 1/4 4′ 5 1/8
Class 3 and 4 track 4′ 6 3/8 4′5 1/8
Class 5 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 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.

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

Title 49 published on 09-May-2017 04:41

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 213 after this date.

  • 2017-04-13; vol. 82 # 70 - Thursday, April 13, 2017
    1. 82 FR 17765 - Implementation of the Federal Civil Penalties Inflation Adjustment Act Improvements Act for a Violation of a Federal Railroad Safety Law, Federal Railroad Administration Safety Regulation or Order, or the Hazardous Material Transportation Laws or Regulations, Orders, Special Permits, and Approvals Issued Under Those Laws
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Railroad Administration
      Final rule.
      This final rule is effective April 13, 2017.
      49 CFR Parts 209, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 270, and 272