Christopher Marsden, 34, killed when vehicle crashes into workers in construction zone on Interstate 70 in Ellicott City, Maryland

Investigators believe the driver of the Jeep Wrangler, identified as Hall, was traveling eastbound on I-70 before Exit 87A to Route 29 when he swerved and crashed into the rear of a white Autocar work truck, tied to the Maryland Department of Transportation State Highway Administration, which subsequently killed Marsden and injured Foster and Gonzalez.