WHITE MARSH, MD—Maryland State Police are investigating a fatal pedestrian crash that occurred Saturday morning in Baltimore County.

At just after 7:15 a.m., troopers responded to southbound I-95 in White Marsh, Maryland for a report of a pedestrian struck on the roadway.

According to a preliminary investigation, a tractor-trailer was parked on the right shoulder of I-95. The pedestrian, identified as Joseph Russell Thomas II, 52, of New York, was wearing a fluorescent vest and was attempting to assist another truck driver with connecting his tractor-trailer to his truck.

At the same time, a 2007 BMW 328i crossed the solid white line and struck the tractor-trailer and Thomas. Thomas was transported by ambulance to Johns Hopkins Bayview Medical Center, where he was pronounced dead.

I-95 South was partially closed for about three hours following the crash.

The crash remains under investigation.