It was finally dismantled in early 1941. Urban and interurban railways still survive in such diverse forms as the Monorail, Waterfront Streetcar, and Sound Transit's light rail. Seattle's first streetcar line was built in 1884 along 2nd Avenue in downtown Seattle by Frank Osgood (1852-1934).The horse-drawn line was an instant success, and in 1889 Osgood introduced electric streetcars.y 1936, the Municipal Street Railway operated 410 streetcars on 26 electric routes, and three cable railways (Yesler-Jackson, James Street, and Madison Street) totaling 231 miles of track, plus 60 buses on 18 other routes.