***Update: All eastbound lanes were reopened shortly after 10 a.m. Tuesday***
All lanes are blocked on EB 401 at Townline Road in Cambridge.
Police say a three-vehicle collision took place there involving a car and two tractor trailers.
A transport truck rear-ended another transport truck, then a vehicle slid into the side of the jackknifed truck.
No injuries have been reported, however police say the road won't reopen until 9:00 a.m.