Major delays and all southbound lanes closed on Sydney's M7 after car and caravan rollover in Hinchinbrook

All southbound lanes on Sydney's M7 motorway have been shut after an accident, causing heavy delays on the road for the third time since yesterday.

A car and the caravan it was towing both overturned near the Cowpasture Road on-ramp in Hinchinbrook this afternoon. 

Emergency and road crews were called to the scene. The condition of the driver is not yet known.

Motorists have been diverted onto Cowpasture Road but traffic remains heavy and motorists are experiencing significant delays.

Northbound lanes on the motorway remain open but traffic is heavy as motorists slow down past the crash site. 

It follows an earlier fatal crash on the M7 northbound this morning, which saw a woman killed in a four-vehicle collision. 

READ MORE: Woman killed in four-vehicle crash on Sydney’s M7

A grass fire also cause heavy delays for motorists travelling northbound through Cecil Hills yesterday. 

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