steep grade railway
railway that ascends and descends a slope that has a steep grade
Fell mountain railway system
third-rail system for railways that are too steeply-graded to be worked by adhesion
rack railway
railway with a toothed rack rail, usually with steep grade and low operating speed
mountain railway
railway that operates in a mountain region
adhesion railway
railway which relies on adhesion traction to move a train
funicular
cable railway in which a cable moves permanently attached rail cars up and down a slope