CN SD75I 5695 tips over the hill at Mile 8 of the Mountain Park Sub with an empty rock train.

Edmonton-Cadomin empty rock train U725 climbs a stiff 2% or better grade on the Mountain Park Sub.

CN SD75I 5695 and C40-8 2133 have just entered the OCS controlled Mountain Park Sub at Parkhill Junction with an empty 56 car train U725 in tow.