White Pass and Yukon Route

The White Pass and Yukon Route (WP&Y, WP&YR) (reporting mark WPY) is a Canadian and U.S. Class III 3 ft (914 mm) narrow-gauge railroad linking the port of Skagway, Alaska, with Whitehorse, the capital of Yukon. An isolated system, it has no direct connection to any other railroad.

Source: Wikipedia — White Pass and Yukon Route (CC BY-SA 4.0)