The Southern Pacific Red Electric Lines, also known simply as the Red Electric, was a network of interurban passenger train services operated by the Southern Pacific Railroad in the Willamette Valley of the U. S. state of Oregon from 1914 to 1929. The service got its name from the bright red color of its cars. [note 1] Despite its short history, among West Coast interurbans it was unique, and it was considered the finest such system in the Pacific Northwest. It was the only major electric interurban railroad converted from steam to electric passenger use. It was also one of few systems using all-steel equipment, and one of the largest 1500-volt systems in the country.