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 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 |
49 C.F.R. §213.115