Highway 400 was closed in both directions for about 12 hours after a truck struck and damaged the guard rail between Innisfil Beach Road and Mapleview Drive, Monday morning.
The northbound lanes re-opened at Innisfil Beach Road around 3 p.m., and southbound lanes were expected to be open for traffic shortly afterward.
Crews had been working to remove a transport truck from down a southbound embankment.
A new guard rail was also installed.
"We have major problems here on the 400," Sgt. Kerry Schmidt, of the OPP’s Highway Safety Division, said Monday morning.
A northbound truck lost control around 4 a.m. in the snow and slush, according to OPP.
“The truck jack-knifed as it went through the centre guard rail,” Schmidt said.
The destroyed rail then flung out into the southbound lanes, he added. The rail struck a southbound truck, with a load of vinegar, causing damage to its front end and wheels. It came to a rest down a southbound embankment.
“It went in there pretty quick, but it did stay upright,” Schmidt said. “The front of the trailer is ripped wide open.”
A concrete wall was brought to the scene to replace the damaged metal guard rail.
Heavy equipment was on scene to remove the southbound truck from down an embankment.
“They’ve still got a lot of work to do here,” Schmidt said shortly before noon.
No injuries were reported.
The northbound truck was inspected on the side of the highway.
The driver of the northbound transport truck has been charged with careless driving.
