NTSB derailment investigation renews concerns about detectors, tank cars and Norfolk Southern

The National Transportation Safety Board’s daylong hearing on a 2023 Ohio train derailment near the Pennsylvania border is giving stakeholders plenty to think about

​The National Transportation Safety Board’s daylong hearing on a 2023 Ohio train derailment near the Pennsylvania border is giving stakeholders plenty to think about The National Transportation Safety Board’s daylong hearing on a 2023 Ohio train derailment near the Pennsylvania border is giving stakeholders plenty to think about US