Sangū Line
In the Taishō period, the only train lines in all of Mie Prefecture were the Kansai Main Line, the Kisei Main Line (though not entirely completed), and the Sangū Line, all of which were operated by Kokutetsu (now JR Central). However, travel between the two primary cities in the prefecture, Yokkaichi and Tsu, was indirect on these existing lines and so a regional railway company formed with the goal of constructing a line that ran straight between the two cities; this was how Iseden came to be. The company was founded in 1911 under the name of Ise Railway (伊勢鉄道 "Ise Tetsudō"), however it was changed to Ise Electric Railway in 1926 when the company began electrifying its lines.