49 CFR § 213.115
Rail end mismatch
November 18, 2020
Any mismatch of rails at joints may not be more than that prescribed by the following table—
Open 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 1 track | 1⁄4 | 1⁄4 |
Class 2 track | 1⁄4 | 3⁄16 |
Class 3 track | 3⁄16 | 3⁄16 |
Class 4 and 5 track | 1⁄8 | 1⁄8 |