State Police are investigating a fatal wrong-way crash on Interstate 190 in Sterling on Saturday night.
A 26-year-old Rhode Island woman riding in his car was killed.
The driver of a car traveling the wrong way on a ramp to Route 2 in Westminster died in collision with a tractor-trailer.
Three people were killed in a wrong-way crash on Route 146.
A man accused of driving the wrong way on I-495 and causing a fatal accident over the weekend has not been charged yet in the incident.
State police say a Brockton man drove the wrong way on Route 495 in Wareham, crashing head-on into another driver who was killed.
State police say three people were seriously hurt in a wrong way crash on the Southeast Expressway in Boston overnight.