49 CFR 213.55 - Alinement.

§ 213.55 Alinement.
Alinement may not deviate from uniformity more than the amount prescribed in the following table:
Class of track Tangent track Curved track
The deviation of the mid-offset from a 62-foot line 1 may not be more than—(inches) The deviation of the mid-ordinate from a 31-foot chord 2 may not be more than—(inches) The deviation of the mid-ordinate from a 62-foot chord 2 may not be more than—(inches)
1 The ends of the line shall be at points on the gage side of the line rail, five-eighths of an inch below the top of the railhead. Either rail may be used as the line rail, however, the same rail shall be used for the full length of that tangential segment of track.
2 The ends of the chord shall be at points on the gage side of the outer rail, five-eighths of an inch below the top of the railhead.
3 N/A—Not Applicable.
Class 1 track 5 3 N/A 5
Class 2 track 3 3 N/A 3
Class 3 track 13/4 11/4 13/4
Class 4 track 11/2 1 11/2
Class 5 track 3/4 1/2 5/8

Title 49 published on 2014-10-01

no entries appear in the Federal Register after this date.

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