The Economic Times

In 1869, New Hampshire opened a cog railway where normal trains could not climb; more than 150 years later, its toothed track still reaches Mount Washingtons 6,288-foot summit

In 1869, New Hampshires Mount Washington Cog Railway became the worlds first mountain-climbing cog railway, using a toothed track to reach the 6,288-foot summit. Explore the remarkable history of this historic railway, its 37.4% Jacobs Ladder grade, extreme Mount Washington weather, pioneering railroad engineering, and how the 157-year-old Cog Railway continues operating today. Discover the engineering innovation that made this steep ascent possible.