Takasaki station is the biggest station in Gumma pref where is located in northern Kanto region. But it is very easy to find the way in this station because it is not like major station in Tokyo. This station is the junction point to Kusatsu, Minakami, Nagano and Niigata. You may need to transfer at this station when you go to Kusatsu Onsen or Minakami Onsen.
Shonan-Shijuku line is not the name of line, but it is the name of Rapid train’s route. This line connects west side of downtown Tokyo, Shinjuku, Ikebukuro and Shibuya with major cities in Saitama, Gunma, Tochigi, Kanagawa prefectures. This is a sort of commute train. But all trains have two double decker Green cars in the formation. This train is fully covered by Japan Rail Pass. Of course if you use Japan Rail Pass Green, you can take Green cars with no extra cost. Continue reading Direct access from Shinjuku to Yokohama and Kamakura. Rapid train on Shonan-Shinjuku line