Inaccurate heat detectors, weak tanker walls, and a decision to needlessly blow open 5 chemical cars: NTSB hearing showcases what went wrong at Ohio derailment
The detectors railroads use along their tracks to help spot overheating bearings, flat wheels and dangling equipment were a key focus of the NTSB investigation.
The detectors railroads use along their tracks to help spot overheating bearings, flat wheels and dangling equipment were a key focus of the NTSB investigation. Read More
