Montreal

Heavy truck and car pileup on Highway 20 leaves 1 dead, 2 seriously injured

One person is dead after seven heavy trucks and about a dozen cars piled up in the eastbound lane of Highway 20 in Rivière-Beaudette, Que., just west of Montreal.

Highway 20 closed for several hours, causing traffic to back up to the Ontario border

One person is dead and two seriously injured after the pileup on Highway 20 west of Montreal. (Alain Beland/Radio-Canada)

One person is dead after seven heavy trucks and about a dozen cars piled up in the eastbound lane of Highway 20 in Rivière-Beaudette, Que., just west of Montreal.

The first collision occurred just after 11 p.m. Wednesday when a semi-trailer truck jackknifed, according to provincial police spokesperson Sgt. Claude Denis. 

Vehicles began piling up behind the jackknifed truck, killing one woman and leaving two people with serious, but non-life-threatening injuries.

Provincial police say the pileup began when a semi-trailer truck jackknifed on Highway 20. (Alain Beland/CBC)

The blocked lanes caused eastbound traffic to back up all the way to the Ontario border. 

Police, firefighters, ambulance workers and crews with Transports Québec responded. They temporarily closed the highway in both directions.

Highway 20 was completely reopened just before 5 a.m., Denis said. 

Weather conditions were difficult at the time of the collision, he said, and, at this point, investigators are not charging anybody with a criminal infraction.

With files from Jay Turnbull