The Karasuyama Line (烏山線 Karasuyama-sen) is a railway line in Tochigi Prefecture, Japan, owned and operated by East Japan Railway Company (JR East). It runs from Hōshakuji in the town of Takanezawa to Karasuyama in Nasukarasuyama.
Trains run approximately once every hour, traveling the entire length of the line. Some trains travel through onto the Tōhoku Main Line to Utsunomiya Station.
Rolling stock 
A new EV-E301 series two-car battery electric multiple unit is scheduled to enter revenue service on the Karasuyama Line and Tohoku Main Line between Utsunomiya and Karasuyama from spring 2014. Developed from the experimental "Smart Denchi-kun" battery electric railcar also tested on this line since 2012, the new train will be recharged at a special recharging facility built at Karasuyama Station, and operate on battery power over the non-electrified Karasuyama Line tracks. The intention is to ultimately replace all of the diesel trains used on the line with new EV-E301 series battery electric units.
Wanman driver only operation commenced on the line on 10 March 1990, using KiHa 40 series DMUs.
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