| Excepted track, and Class 1, 2, and 3 track |
Main track and sidings |
Weekly1 with at least 3 calendar days' interval between inspections, or before use, if the track is used less than once a week, or twice weekly with at least 1 calendar day interval between inspections, if the track carries passenger trains2 or more than 10 million gross tons of traffic during the preceding calendar year. |