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Accidents at the Municipal Subway Blue Line
Last Updated January 14, 2022
In the derailment accident that occurred on the Municipal Subway Blue Line on June 6, 2019, a total of 245,000 customers were inconvenienced to a total of 245,000 customers from the day of the accident until June 11, when operating on normal schedules was resumed.
Using this incident as a lesson, Transportation Bureau is working to prevent a recurrence based on its strong determination to prevent a recurrence of serious accidents.
Once again, all staff members are deeply aware of the importance of their responsibilities, "keeping customers' lives," and will work on safe operation so that customers and citizens can use it with peace of mind.
June 6 About derailment accident of Municipal Subway Blue Line
| Date and time of occurrence | 5:22, Thursday, June 6, 2019 |
|---|---|
| Place | Between Shimoiida and position (17k891.3m) ※132.7m ahead of the prescribed stop position of Shimo-Iida Station |
| Number of passengers | 121 people ※Immediately after the accident: The driver explained the situation to customers byinjured. ※Evacuation guidance: Get off from the last emergency door with the support of two station staff members and walk to Shimo-Iida Station. |
| Accident Overview | After leaving Shimo-Iida Station toward Tateba Station, I was hit by a severe shock while driving, so I stopped. Out of the first car to the fifth cars, 16 axes of 8 vehicles (24 axis per train) are derailed. The speed at derailment is 55 km/h. |
| injured | One person (drivist: knee bruise) |
Please see here for the cause of the accident and measures to prevent recurrence.
Municipal Subway Blue Line Derailment Accident Investigation Report (PDF: 5,504KB)
[Response to Security Audits]
Measures to prevent the recurrence of the accident are as described in the above report, but the security audit conducted by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) conducted by the Ministry of Land, Infrastructure, Transport and Tourism on December 20, 2019, the matters for which improvement measures were to be taken.
Future improvement efforts in the blue line derailment accident (PDF: 86KB)
August 29 Vehicle damage due to overrun at the Municipal Subway Blue Line Odori Station drop-in line
| Date and time of occurrence | 8:37, Thursday, August 29, 2019 |
|---|---|
| Place | Odori Station dropin line (Izumi-ku, Yokohama) |
| Number of passengers | None (for forwarding train) |
| Accident Overview | At 8:35, after all customers got off at the landing, which is the end point of the train, and then moved to the track called the drop-in line between the up and down main lines to turn back at the landing station. Crossing and collided with the front wall in front, damaging the vehicle body. |
| injured | One person (driving: knee bruise, abrasion) |
Please see here for the cause of the accident and measures to prevent recurrence.
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For inquiries to this page
Transportation Bureau Safety Management Dept.
Phone: 045-671-3173
Phone: 045-671-3173
Fax: 045-322-3911
Email address: kt-anzenkanri@city.yokohama.jp
Page ID: 951-534-224