An engineer whose speeding commuter train ran off the rails along a curve, killing four people, experienced a hypnotic-like "daze" and nodded at the controls, a lawyer said.

YONKERS, N.Y. – The revelation that a New York City commuter train derailed while barrelling into a sharp curve at nearly three times the speed limit is fueling questions about whether automated crash-avoidance technology could have prevented the carnage. Safety officials have championed what’s known as positive train control technology for decades, but the railroad...

Data recorders retrieved from the train that derailed in New York may provide information on key factors related to what went wrong.

A New York City commuter train rounding a riverside curve derailed and came to rest only inches from the water Sunday, killing four people, injuring more than 60.