A 52-year-old Montgomery County woman was killed when the car she was riding in was struck by a tractor-trailer, thrown in the air and smashed against a guardrail early Saturday on Interstate 70 in Howard County.
Grace Raymond Guay of Germantown died at Frederick Memorial Hospital an hour after the accident, which occurred just east of the Carroll-Howard counties border.
State police said the eastbound 1991 Chevrolet in which Ms. Guay was riding slowed in the center lane after being signaled by a disabled motorist in the westbound lane.
As the car slowed, a tractor-trailer hit it in the back, hurling it into the air, police said.
Neither the driver of the car nor of the tractor-trailer was injured, and no charge was lodged immediately, police said.