The North Folk Branch was built as a narrow gauge branch turning off the main narrow gauge transcontinental at Delta north of Montrose but was soon converted to standard gauge with the opening of Tennessee Pass. Today due toincreased coal the line has seen a huge increase in traffic in recent years being one of the few branches to be upgraded in Colorado. Here UP6510 and UP5924 are seen leading a loaded coal east near Rodgers Mesa – 28/08/2007