荷台から線路にこぼれる海水　塩分が原因でレール腐食か　JR函館線・貨物列車脱線事故「検査で把握できず」

The Japan Transport Safety Board has released its investigation report on the freight train derailment accident that occurred in Mori Town, Hokkaido in 2024. Read the article for this video https://news.ntv.co.jp/n/stv/category... The report points out that the fractured rail may have been corroded by saltwater. The freight train derailment accident occurred in November 2024 between Mori and Ishikura stations on the JR Hakodate Line. (Nagaoka Joryu) "Looking at the derailed vehicles, there is significant damage to the wheels." Five freight cars derailed when a freight train traveling towards Sapporo passed a level crossing. On May 28th, the Japan Transport Safety Board released its investigation report on this accident. According to the report, the right-hand rail near the level crossing fractured over a length of approximately 4 meters. It is believed that the derailment was caused by the train traveling on the damaged rails. The rails appear to have broken when the freight train passed over them, and the Japan Transport Safety Board (JJ) pointed out the following as the cause: (JJ) "The rail breakage is thought to be due to severe corrosion of the rail's wall and bottom, which significantly reduced its strength." Why were the rails so severely corroded? This level crossing was regularly used by vehicles belonging to fishing-related workers. At that time, seawater was seen spilling onto the tracks from the cargo beds. The JJ pointed out that the salt in this seawater may have accelerated the corrosion. (JJ) "This accident is thought to be due to the fact that, although rail inspections were conducted, the condition of the rails, such as corrosion, was not adequately understood, resulting in the rails being damaged and missing." After the accident, JR Hokkaido implemented measures to prevent recurrence, such as changing its rail inspection methods. "We take the investigation report very seriously and will work to prevent similar accidents from happening again," they commented. (Broadcast on May 28, 2026) #InvestigationReport #JapanTransportationSafetyCommittee #JR Hokkaido