New国鉄115系 ～Japanese National Railways 115series～
115系は寒冷地区・急勾配路線での運用を目的にした近郊形車両で、1000番台は上越線・信越本線などの寒冷地ならびに冬期降雪の多い地域での運用を考慮した耐寒耐雪強化構造が施工された。Series 115 is a suburban train intended for operation in cold districts and on steep gradient lines, and Series 1000 is a suburban train for the Joetsu Line and Cold and snow resistant construction for cold regions such as the Shin-Etsu Line and areas with heavy snowfall in winter made.
