Puget Sound Electric Railway Edgewood's portion is currently in planning stages, with construction slated to begin in the Summer of 2011. Puget Sound Electric Railway The Puget Sound Electric Railway was an interurban railway that ran for 38 miles between Tacoma and Seattle, Washington in the first quarter of the 20th century. Portions of the right-of-way still exist as multi-use trail through Milton, Washington, as well as from Pacific to Tukwila, Washington. The PSE began operations on September 25, 1902 with a line that started in downtown Tacoma, ran along Pacific and Puyallup Avenues, followed the course of present day Pacific Highway through Fife
Puget Sound Central Basin. Puget Sound's sills, a kind of submarine terminal moraine, separate the basins from one another, and Puget Sound from the Strait of Juan de Fuca. Three sills are particularly significant—the one at Admiralty Inlet which checks the flow of water between the Strait of Juan de Fuca and Puget Sound, the one at the entrance to Hood Canal (about below the surface), and the one at the Tacoma Narrows (about ). Other sills that present less of a barrier include the ones at Blake Island, Agate Pass, Rich Passage, and Hammersley Inlet. The depth of the basins is