A tractor trailer rollover on Highway 401 near Manning Road overnight closed the intersection for most of Thursday.

Work crews repaired a section of the road damaged in the crash.  The cleanup was causing backups on the westbound lanes of the 401.

The westbound lanes were reopened after 5 p.m.

A second crash is currently being investigated involving five vehicles, in the westbound lanes of the 401 near Puce Road. 

Three lanes were reduced to one lane, while OPP investigate this crash that happened at 4:30 p.m.  Three people were taken to hospital with non-life threatening injuries.