A westbound BNSF Herzog ballast train works its way slowly through Iron Ridge cut while climbing Montana Rail Link’s route over Mullan Pass west of Helena, Montana, on July 5, 2021.

At the end of the day on July 1, 2020, a westbound Montana Rail Link ballast extra climbs upgrade on Mullan Pass west of Helena, Montana. The train is passing through striking Iron Ridge cut betwe... (more)

Montana Rail Link’s Laurel to Missoula manifest freight climbs the 2.2 percent grade of Mullan Pass as it passes through Iron Ridge cut between Austin and Weed, Montana, on the afternoon of July... (more)

Two Montana Rail Link helper sets combined for the trip down Mullan Pass pass through Iron Ridge and the original tunnel/alignment. The helpers would end up going to Helena and calling it a day by... (more)

After helping to a westbound BNSF train over the steep 2.2% grades of Mullan Pass, a Montana Rail Link helper set of four EMD SD70ACe locomotives drop downgrade through Iron Ridge cut between Weed... (more)