2/28/2023 0 Comments Cog railway mount washington![]() As the wheel turns, the cogs mesh with the teeth along the central rail to draw the train up the grade, or, turning the other way, to brake its descent. This means that there is approximately a 14-foot elevation difference between passengers in the front and back ends of the coach. The maximum grade over Jacob's Ladder (a steep section about 2/3 of the way up) is 37.4 percent. It has an average grade of 25 percent, or 1,300 feet to the mile - the steepest rail line in the world.
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