Federal investigators said an automated control system could have prevented a fatal crash on the Green Line.

A trolley operator killed in a crash may have igorned a stop signal, investigators say.

Investigators are expected to release a final report on last year’s MBTA fatal trolley crash.

Federal investigators say a Middletown plane crash was caused by a flight instructor’s failure to order another attempt during a touch-and-go landing.

Federal transportation officials say Rhode Island’s efforts to curb drunken driving are falling short.