the name frequently applied to those lines of railway which extend westward from the Mississippi River to the Pacific coast. The first of these to be constructed was the Union Pacific, extending from Omaha to San Francisco, and completed in May, 1869. Other lines in the United States are the Northern Pacific, extending from Saint Paul and Duluth to Portland; the Great Northern, extending from Saint Paul and Duluth to Seattle and traversing a region north of that penetrated by the Northern Pacific; the Atchison, Topeka & Santa Fe, extending from Chicago to San Francisco and passing through Kansas, Colorado, New Mexico and Arizona, and the Southern Pacific, sometimes known as the Sunset Route, extending from New Orleans to San Francisco. North of the United States the Canadian Pacific extends from Montreal to Vancouver, and the Grand Trunk Pacific is projected to extend westward through the northern part of Manitoba and across the central parts of Saskatchewan and Alberta, extending to Prince Rupert, on the coast of British Columbia, while a branch extends in a northwest direction to Dawson, Yukon Territory. There are six trunk lines in the United States which extend from Chicago or Mississippi points to the Pacific coast. They are, beginning at the north, the Great Northern, the Northern Pacific, the Chicago, Milwaukee & Puget Sound, the Union Pacific, the Santa Fe and the Southern Pacific. Other lines starting from the same points and connecting with some one of these lines are the Missouri Pacific, the Chicago, Rock Island & Pacific and the Wabash System. See RAILROADS.