sentences:  Until this happens, the only way for rail-based equipment to enter or leave Alaska is via rail ferry from Seattle, Washington and British Columbia.The only rail connection is the White Pass and Yukon Route, a narrow-gauge heritage railway linking Whitehorse, Yukon with Skagway, Alaska.A rail connection between Alaska and the North American rail network could prove beneficial, and could even join up with a possible future rail link over a Bering Strait Rail Tunnel (proposed by Russia), if it is ever built.