49 CFR 213.349 - Rail end mismatch.
Any mismatch of rails at joints may not be more than that prescribed by the following table—
|Class of track||Any mismatch of rails at joints may not be more than the following—|
|On the tread of the rail ends (inch)||On the gage side of the rail ends (inch)|
|Class 6, 7, 8 and 9||1/8||1/8|
Title 49 published on 2014-10-01
no entries appear in the Federal Register after this date.