Massachusetts State Police say the driver of a tractor trailer was killed when his vehicle rolled over on Interstate 95 near Lexington and spilled liquid asphalt onto the highway.
Police identified the driver in the Saturday accident as 40-year-old Charles Vancor of Lebanon, N. H. Police say they responded to calls about 5:10 a.m.; the tanker truck had rolled over and its contents of liquid asphalt, considered a hazardous material, had spilled onto the highway and into the median.
Authorities say the driver was pronounced dead at the scene.
Firefighters and environmental crews were called in to address the spill, and parts of I-95 were closed for several hours. No other motorists were involved in the accident.
Authorities say JP Noonan Transportation of Hooksett, N. H., owns the truck.