Rogers Pass coal A Canadian Pacific coal train emerges from the Mount Macdonald Tunnel over Rogers Pass, British Columbia, on a beautiful September 25, 2012 afternoon. The longest railroad tunnel in the Western Hemisphere at 14.6 kilometers, or just over 9 miles (9.1), the tunnel provides westbound CP trains crossing formidable Rogers Pass a lower-elevation crossing of the Selkirk Mountains. New General Electric ES44AC No. 9353 leads the westbound train.