Train, vehicle collision triggers chemical spill, road closure in Dorchester

Police are investigating after a crash between a train and a transport truck that has closed Catherine Street between Elgin Road and Sheils Lane in Dorchester. June 1, 2026. (Reta Ismail/CTV News London)

A chemical spill following a collision between a train and a tri-axle truck has forced the closure of Catherine Street in both directions in Dorchester.

The incident occurred between Elgin Road and Sheils Lane, where emergency crews remain on scene managing the spill and securing the area.

According to police, the truck was carrying 400L of herbicide when it was struck by a train. The Ministry of Environment has been contacted.

The driver of the truck was taken to hospital with serious but non-life-threatening injuries.

Motorists are being asked to avoid the area, plan alternate routes and expect delays.