A crash to the south has highway 400 closed this morning. The OPP are on the scene of a collision in the southbound lanes of the highway at Highway 12/Vasey Road. Police say the closure of the southbound lanes could last for 6-8 hours as they investigate a reported fatal collision. Traffic is reportedly being diverted at Highway 12 in Waubaushene, and motorists can re-join Highway 400 at Lower Big Chute. No further details are available at this time.