Concrete barriers separated the southbound toll lanes from the northbound toll lanes and from the southbound general-use lanes. in the southbound toll lanes, which had a speed limit of 75 mph (120 kilometers per hour). The pileup that involved vehicles, trucks and semitrailers began just after 6 a.m. Hinkle said that video footage showed “precipitation began mere minutes before the accident unfolded.” He also noted that hours earlier, dynamic signage began warning drivers of icy conditions and to drive with caution, while permanent signage warned drivers that bridges could ice in cold weather. Hinkle said the company had fully activated its winter storm program and coordinated with the Texas Department of Transportation on best practices, and he noted the pretreatment of the road two days before. North Tarrant Express Mobility Partners Segment 3 spokesman Robert Hinkle said, “Given the extraordinary circumstances, we are confident in the actions taken by the company.” The agency said that the crews visually checking the road 45 minutes before the wreck didn’t detect any moisture and applied no salt. On the morning of the crash, crews had spot-treated sections of the interstate with salt but not the portion where the wreck happened, the NTSB said. But, the NTSB said, with precipitation and freezing temperatures continuing, crews checking the road about 45 minutes before the crash didn't recognize that the elevated portion of the interstate where the crash occurred needed additional de-icing treatment.īefore the crash, the area experienced 36 consecutive hours of below-freezing temperatures. The NTSB said that because of the forecasted freezing rain and sleet, North Tarrant Express Mobility Partners Segment 3 had pretreated the southbound lanes of I-35W two days earlier with a liquid brine solution. The NTSB said that the failure of North Tarrant Express Mobility Partners Segment 3 to address the conditions contributed to the crash, as did drivers' speeds. 11, 2021, crash, the National Transportation Safety Board said. That portion of Interstate 35 West in Fort Worth was not treated with salt the morning of the Feb. DALLAS – The company responsible for maintaining a Texas interstate where 130 vehicles crashed in icy conditions two years ago, killing six and injuring dozens, failed to address the deteriorating road conditions, federal officials said Thursday.
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