 Soyokaze

The was a limited express train service in Japan introduced by Japanese National Railways (JNR) in July 1968, and later operated by the East Japan Railway Company (JR East) between in Tokyo and on the Shinetsu Main Line in Nagano Prefecture.Services were originally formed using 157 series EMUs, and services later used 181 series, 183 series, 185 series, 189 series, and 489 series EMUs.