The Nationwide Transportation Security Board on Tuesday mentioned it opened a particular investigation into Norfolk Southern after current derailments.

The particular probe will look into the corporate’s group and security tradition, in accordance with a press launch.

“Given the quantity and significance of current Norfolk Southern accidents, the NTSB additionally urges the corporate to take fast motion at present to evaluate and assess its security practices, with the enter of workers and others, and implement essential adjustments to enhance security,” the NTSB mentioned in an announcement.

Norfolk Southern did not instantly reply to a request for touch upon the NTSB probe.

The information comes earlier than Norfolk Southern CEO Alan Shaw is ready to testify Thursday earlier than the U.S. Senate Committee on Surroundings and Public Works to handle potential threats to public well being and the atmosphere ensuing from the East Palestine, Ohio, derailment final month.

Committee Chairman Sen. Tom Carper, D-Del., mentioned the panel needs to find out about a wide range of points stemming from that derailment.

“What did they do effectively? What did they do badly? What are they doing to handle issues that they botched? What are they doing because the incident occurred to be able to make individuals really feel cared for, cared about?” Carper informed CNBC. “After we stroll out of there, I need to ensure that Norfolk Southern is doing what they should do to make this proper. Not simply with respect to the parents in the neighborhood but in addition when it comes to the motion of those hazardous substances throughout our nation, whilst we communicate.”

The NTSB launched a preliminary report final month that pointed to an overheated wheel bearing as an element within the derailment and hearth.

On Saturday, one other Norfolk Southern practice derailed close to Springfield, Ohio. Not like the East Palestine incident, this practice wasn’t carrying hazardous supplies. No accidents have been reported following the derailment.

The NTSB has launched investigations into 5 accidents involving Norfolk Southern, together with the loss of life of a Norfolk Southern conductor Tuesday morning in Cleveland after a dump truck collided with a practice at a metal facility. The conductor, who was recognized as Louis Shuster, was struck when a dump truck carrying limestone collided with the aspect of the practice’s first automotive, a Cleveland Police spokesperson mentioned.

–CNBC’s Christina Wilkie contributed to this report from Washington.