49 CFR 213.327 - Alinement.

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There are 2 Updates appearing in the Federal Register for 49 CFR 213. View below or at eCFR (GPOAccess)
§ 213.327 Alinement.
(a) Uniformity at any point along the track is established by averaging the measured mid-chord offset values for nine consecutive points centered around that point and which are spaced according to the following table:
Chord length Spacing
31′ 7′9″
62′ 15′6″
124′ 31′0″
(b) For a single deviation, alinement may not deviate from uniformity more than the amount prescribed in the following table:
Class of track The deviation from uniformity of the mid-chord offset for a 31-foot chord may not be more than—(inches) The deviation from uniformity of the mid-chord offset for a 62-foot chord may not be more than—(inches) The deviation from uniformity of the mid-chord offset for a 124-foot chord may not be more than—(inches)
6 1/2 3/4 11/2
7 1/2 1/2 11/4
8 1/2 1/2 3/4
9 1/2 1/2 3/4
(c) For three or more non-overlapping deviations from uniformity in track alinement occurring within a distance equal to five times the specified chord length, each of which exceeds the limits in the following table, each owner of the track to which this subpart applies shall maintain the alinement of the track within the limits prescribed for each deviation:
Class of track The deviation from uniformity of the mid-chord offset for a 31-foot chord may not be more than—(inches) The deviation from uniformity of the mid-chord offset for a 62-foot chord may not be more than—(inches) The deviation from uniformity of the mid-chord offset for a 124-foot chord may not be more than—(inches)
6 3/8 1/2 1
7 3/8 3/8 7/8
8 3/8 3/8 1/2
9 3/8 3/8 1/2

Title 49 published on 2013-10-01

The following are only the Rules published in the Federal Register after the published date of Title 49.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-01-29; vol. 79 # 19 - Wednesday, January 29, 2014
    1. 79 FR 4634 - Track Safety Standards; Improving Rail Integrity
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Railroad Administration
      49 CFR Part 213

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United States Code
Statutes at Large

Title 49 published on 2013-10-01

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

  • 2014-01-29; vol. 79 # 19 - Wednesday, January 29, 2014
    1. 79 FR 4634 - Track Safety Standards; Improving Rail Integrity
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Railroad Administration
      49 CFR Part 213