Canton, MA (March 18, 2026) – A Massachusetts man died following a multi-vehicle crash on Interstate 95 South in Canton. The incident was reported around 6:20 a.m. on Wednesday, March 18.
The victim, identified as 22-year-old Mathew McTiernan of Marshfield, was the sole occupant of a Toyota involved in the crash. He did not survive his injuries. No other injuries were reported in the incident.
Traffic was reduced to a single lane during the morning commute while emergency units and state police responded to the scene. Authorities have not released details on what caused the crash.
The incident remains under review by authorities.
We extend our sincere condolences to the loved ones of McTiernan.
How Multi-Vehicle Crashes Affect Highways
Crashes involving multiple vehicles on major highways can quickly disrupt traffic, especially during morning or evening commutes. Lane closures are often necessary for emergency response and to ensure the safety of responders and other drivers.
Investigators typically examine vehicle positions, damage patterns, and roadway conditions to understand how the crash unfolded. Even when only one person is seriously injured, surrounding traffic can be significantly impacted.
Highway crashes can be influenced by speed, traffic density, and environmental factors such as weather or visibility. Early assessment helps responders clear the scene safely and restore normal traffic flow.
