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 |