Driver injured in tractor-trailer rollover on ramp to Highway 400
![400 rollover A tractor-trailer rollover is under investigation on the Highway 9 westbound ramp to Highway 400 south in Newmarket, Ont., on Thurs., July 4, 2024. (Source: OPP/X)](/content/dam/ctvnews/en/images/2024/7/4/400-rollover-1-6952208-1720136449796.jpeg)
One person is in the hospital following a tractor-trailer rollover on a ramp to Highway 400 late Thursday afternoon.
Provincial police say the big rig rolled onto its side as it headed onto the highway's southbound lanes south of Highway 9 in Newmarket.
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No other vehicles were involved.
The 23-year-old driver is in serious condition.
Police closed a section of the area for the investigation, causing heavy traffic south of Line 5.
The roadway has since been reopened.
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