MARYLAND — A man was killed Friday morning in a crash involving a tractor-trailer on Interstate 270 in Montgomery County, according to officials.
Montgomery County Fire and Rescue Service said crews responded around 7:40 a.m. to the northbound I-270 express lanes between Route 28 and Shady Grove Road in Rockville after reports of a crash.
Authorities said the collision involved a tractor-trailer and a passenger vehicle…