 On 15 July 2012, JR East ran a special "Soyokaze" service between Ueno and Yokokawa using a 185 series EMU in "Amagi"-style JNR era livery.On 8 September 2012, JR East ran a "Soyokaze" service between Ueno and Yokokawa using a 185 series EMU in "Amagi"-style JNR era livery.The Shinano Railway also ran a special "Soyokaze" limited express service between Karuizawa and Ueda on the same day, as part of the 15th anniversary celebrations of the creation of the Shinano Railway.