Subpart A - Classes of Track

The following maximum allowable operating speeds apply:
(in miles per hour)

 Maximum allowable operating speeds
Over track that meets all of the requirements prescribed in this part for- The maximum allowable operating speed for freight trains is - The maximum allowable operating speed for passenger trains is -
Class 1 track 10 15
Class 2 track 25 30
Class 3 track 40 60
Class 4 track 60 80
Class 5 track 80 95*

* For LRC Trains, 100 

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