Another Norfolk Southern Railway train derailed on Thursday in Calhoun County, Alabama。The report notes that the accident occurred on the same day that company executives were in Washington to attend a congressional hearing on the derailment of the Ohio "drug train."。In view of the recent spate of accidents, the U.S. National Transportation Safety Board recently announced that it will conduct a wide-ranging investigation into the safety supervision capabilities of the Norfolk Southern Railway Company, which belongs to the train in the Ohio "poison train" derailment accident, involving five major accidents in the past two years.。This is the first survey of its kind in the U.S. rail industry since 2014.。"There is no risk to the public."？The Associated Press reported that photos released by local media showed multiple train cars tilting or breaking off the railway track in the wooded countryside.。Calhoun County Emergency Management Department official Miles Chamberley said there were no reports of injuries or traffic jams.。County Sheriff Matthew Wade said: "All are safe and they have assembled a large group of people who have cranes and are busy with (rescue) work.。The derailment, which occurred in Calhoun County, involved about 37 cars, but none of the cars were loaded with dangerous goods, said Connor Spielmeck, a spokesman for Norfolk Southern Railway.。He added that two of the carriages were considered "residue" because they had previously been loaded with dangerous goods, but were not damaged in the accident.。"They are not broken, there is no leakage of hazardous substances.。Spilmaker said at a news conference.。"There is absolutely no risk to the public.。The spokesman also said the cause of the accident was under investigation and said "rail transport remains the safest way to transport any type of material in this country."。It's worth noting that on the same morning as the Alabama derailment, Norfolk Southern Railroad CEO (CEO) Alan Shaw was in Washington, D.C., to attend a hearing before the Senate Environment and Public Works Committee to testify about the February 3 derailment of a "drug train" in Ohio.。Five major accidents in less than two years As of now, Norfolk Southern Railway has had several rail accidents。The latest incident occurred on March 7, local time, when an Ohio train and a dump truck collided at a steel plant in Cleveland, killing the conductor who was standing outside the train.。It was the third rail accident in Ohio in 33 days.。The National Transportation Safety Board said it would begin a comprehensive review of the company's safety culture, the first such investigation by the rail industry since 2014.。The commission said it had sent investigation teams to investigate five major accidents involving Norfolk Southern since December 2021.。In 2022, two freight trains operated by Norfolk Southern Railroad collided in Bethomer City, Alabama, killing one trainee conductor and injuring one.。On December 8, 2021, one of the company's workers was killed in a vehicle accident in Reed City, Michigan.。In addition, the U.S. Federal Railroad Administration announced the launch of a 60-day investigation of Norfolk Southern Railroad and the release of a safety assessment report after the investigation.。According to the Federal Railroad Administration, there were more than 1,000 train derailments across the United States last year, including 119 involving Norfolk Southern Railroad。The company will undergo a 60-day safety assessment. A federal panel of investigators is urging the Norfolk Southern company to take immediate action to review and evaluate its safety practices.。On March 7, the Federal Railroad Administration also announced an investigation into Norfolk South.。According to an announcement by the US Department of Transportation, the government will release a public report after a 60-day safety assessment.。In a statement, the Federal Railroad Administration said Norfolk Southern Railway must take action "commensurate with the severity of recent incidents."。Norfolk Southern Railway chief executive Alan Shaw has promised a series of company-wide safety meetings。He testified before Congress on March 9 about the derailment of East Palestine, Ohio。In a statement, he said: "Going forward, we will rebuild our safety culture from the ground up.。We're going to spend more on security。The way we are is unacceptable and will not continue.。In response to the Ohio derailment, Norfolk Southern Railroad announced on March 6 plans to improve the use of detectors along the tracks to detect overheating bearings and other problems.。U.S. National Transportation Safety Board investigators said operators received an alarm from a detector before the February 3 derailment, but they were unable to stop the train and eventually more than 30 cars went off the track and caught fire.。