The M7 is closed and cars are queuing for up to five kilometres after a truck rolled over this morning.
Part of the motorway in Cecil Hills has been closed as emergency workers work on the truck.
Northbound traffic in the area has been diverted to Cowpasture Road to avoid the road block and cars are merging back onto the road on Elizabeth Drive.
The RTA Live Traffic website advises motorists to use the Hume Highway to avoid congestion in the area.
More to come.