Railway Serious Incident Investigation Report Railway Operator: Hokkaido
Railway serious incident investigation report Railway operator: Hokkaido Railway Company. Accident type: Facilities damage, railway serious incident related with malfunction, damage, destruction; etc., effecting to the safe train operation in the railway track, train protection facility, etc., prescribed in Number 7, Clause 1, Article 4, of the Ordinance on Report on Railway Accidents, etc. Date and time: The first incident occurred at about 20:50, on June 14, 2011, the second incident occurred at about 21:48, on June 14, 2011, the third incident occurred at about 08:43, June 15, 2013, and the fourth incident occurred at about 11:12, June 16, 2011. Location: In the premises of Oiwake station, single line, Sekisho Line, Abira Town, Yufutsu County, Hokkaido. SUMMARY The first incident: The outbound local 2647D train, composed of one vehicle, starting from Oiwake station bound for Yubari station of Hokkaido Railway Company, departed from the No.1 track of Oiwake station on schedule, 20:50, Tuesday, June 14, 2011. A signaler in the signal cabin of Oiwake staion, noticed that even though the train departed from Track No. 1, the indicator lamp of the No.1 track starting signal on the display panel, kept lighting in green and did not light off to show the stop indication. According to the records of the interlocking device, the No.1 track starting signal did not indicate the stop signal at this time. The second incident: The 39D train, outbound limited express "Super Tokachi No.9" composed of 4 vehicles, starting from Sapporo station bound for Obihiro station of the Company, departed from the No.1 track of Oiwake station on schedule, 21:46, June 14, 2011.
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