A driver is dead following a high-speed crash with a cement truck on Interstate 35W early Thursday morning, authorities said.

Fatal crash on I-35 What we know: Emergency responders were dispatched to the northbound lanes of the interstate near mile marker 27 at 4:30 a.m. after reports of a major traffic crash.

According to a preliminary investigation by the Alvarado Police Department, a sedan was traveling northbound at a high rate of speed when it struck the rear of a cement truck.