MEDFORD, MASS. >> A highway worker is dead after police say he was hit by an impaired driver on Interstate-93 in Massachusetts early Tuesday.

It happened shortly before 3 a.m. in the northbound lanes of the highway near exit 33 in Medford when State Police say a Fiat 500 slammed into a truck and then hit the worker, killing him. Police say the worker was picking up traffic cones as part of a lane marking contract crew. A second worker has suffered minor injuries.

State Police say 31-year-old James Scoville, of Chelmsford, is charged with vehicular homicide and operating under the influence. He's set to be arraigned later Tuesday.

Another highway worker was seriously hurt after being hit in Boston Monday. A man has been charged with OUI in that incident.