The community of Canton, Massachusetts is mourning the tragic loss of Matthew McTiernan, a 22-year-old resident of Marshfield, Massachusetts, who was killed in a devastating three-vehicle crash early Wednesday morning, March 11, 2026.

According to the Massachusetts State Police, troopers responded to reports of a serious collision around 6:20 a.m. on the southbound lanes of Interstate 95 near mile marker 25 in Canton. The crash involved three vehicles and tragically claimed the life of McTiernan, who was pronounced dead at the scene from injuries sustained in the collision.

Emergency responders arrived quickly and worked to assist those involved while securing the busy highway. The crash caused major traffic disruptions during the morning commute as authorities closed multiple lanes to allow first responders and investigators to manage the situation.

Officials have not yet released details about what led to the fatal crash. Investigators with the Massachusetts State Police are continuing to examine the circumstances surrounding the incident and are working to determine the sequence of events that resulted in the deadly collision.

The sudden passing of Matthew McTiernan has left family members, friends, and residents in both Marshfield and Canton grieving the heartbreaking loss of a young life taken far too soon. Authorities are also reminding drivers to prioritize roadway safety by staying alert, avoiding distractions, and maintaining safe distances—especially during busy commuting hours on major highways like Interstate 95.