CHARLTON, Mass. (WWLP) – Two drivers have died in a three-vehicle crash on Route 20 in Charlton on Wednesday.

According to the Massachusetts State Police, the accident was at Carroll Hill Road, and a preliminary investigation found that a 2003 Subaru Legacy was going westbound in the eastbound lane for an unknown reason at this time. The vehicle collided with a 2000 Kenworth tractor-trailer that was hauling a large boat as well as a 2016 Honda Fit.

The driver of the Fit, 35-year-old Alexander Owanisian of Southbridge, was determined dead in the accident and the driver of the Legacy, 63-year-old Susan Celauro of East Norwich, New York, was taken to UMass Medical Center where she died due to her injuries. The third driver of the tractor-trailer did not have any injuries.

The eastbound lanes of Route 20 were closed for four hours after the incident.

The investigation of the crash is being conducted by Troop C of the State Police, the State Police Collision Analysis and Reconstruction Section, the State Police Detective Unit for Worcester County, the State Police Crime Scene Services Section, and the State Police Commercial Vehicle Enforcement Section.