Touring the Ever-Changing Artery of the City Center: The Yamanote Line Outer and Inner Loops!! Circling around the heart of Tokyo, the Yamanote Line. As of 2019, new E235 series trains are being introduced sequentially, sharing the line with the E231-500 series in the lead-up to the complete replacement of all train cars by 2020. The Yamanote Line, considered Tokyo's most crucial route, is featured with rides on the new... see more