With installation of ATC on the city's most famous line, travel times around the entire circuit will drop to just under an hour beginning in 2006. The automatic train controls will also reduce braking jolts and allow trains to run more closely together.
Read all about it at Asahi Shimbun (in English): CIRCLING TOKYO: 60-minute barrier to fall on Yamanote Line
Contributed by alert reader Greg M.
January 25, 2005