The OPP is reporting that they have received several calls regarding cars ending up in ditches due to icy weather conditions.
OPP say shortly after 5pm the eastbound lanes of the 401 were blocked before Comber sideroad.
The westbound lanes of the 401 are also being reported by OPP to be blocked just after County Road 42.
OPP advises travelers to drive according to road conditions with a reduced speed and to allow extra time to reach their destination.