On the 20th, there was an electrical system problem at the JR East substation in Shibuya-ku, Tokyo, and from evening to night, we suspended operation on six lines, including the Yamanote Line, for up to four hours.
According to JR East, due to this effect, the number of trains operating on the Yamanote Line is expected to decrease by about 10% from the first train on the 21st.
Around 5:30 pm on the 20th, there was a problem with the electrical system at the JR East substation in Shibuya-ku, Tokyo, and six lines in the Tokyo metropolitan area, including the Yamanote Line, Saikyo Line, and Chuo Line Rapid Train, lasted up to 4 hours 20 I suspended driving for a minute, but resumed all driving before 10 pm.
According to JR East, it is necessary to receive power from other than the substation where the trouble occurred on the 21st, and the number of trains on the Yamanote Line is expected to decrease by about 10% from the first train.
However, depending on the status of restoration, it is said that normal operation will be possible, and we are calling for you to check the latest status on the website etc. for the operation on the 21st.
In addition, JR East has said that the detailed situation of the trouble is unknown although the sensor indicating the leakage at the substation has reacted to the cause of the inability to transmit power at the substation, and will continue to investigate.