A train that derailed in northern Ontario just over a week ago—igniting and spilling more than 6,000 barrels of oil—was traveling at a restricted speed and carrying oil in structurally enhanced tank cars, Canadian investigators said Monday. Initial findings on the accident from the Transportation Safety Board of Canada suggest it bore stark similarities to a fiery derailment that occurred days later in West Virginia . The findings are likely to add to concerns that recent regulatory steps to make the transport of oil by rail don’t go far enough. In the Ontario accident , 29 railcars derailed, with 21 sustaining fire damage, the TSB said. The train, operated by Canadian National Railway Co. , was traveling at 38 miles an hour at the time of the derailment, under a 40-mile-per-hour speed restriction, the agency said. The train was made up of tank cars built to the new CPC-1232 […]