Three people are dead after a Thursday morning crash in Howard County, authorities said.

Police said that a Chevrolet Impala headed north on Route 1 at “a high rate of speed” hit the side of a turning tractor-trailer near Meadowridge Road in Elkridge about 6 a.m.

Three men, whose identities were not immediately available, are dead inside the Chevrolet, according to police. The tractor-trailer’s driver was unhurt, police said.