![Traffic was heavy on the M1 Princes Motorway after an accident on Wednesday. Picture: ADAM McLEAN Traffic was heavy on the M1 Princes Motorway after an accident on Wednesday. Picture: ADAM McLEAN](/images/transform/v1/crop/frm/35ns5Wme2fedmBqQ6qZE6iD/14afef1a-f2ab-4b82-94c7-7e7a14a753f5.JPG/r0_305_3264_2140_w1200_h678_fmax.jpg)
Traffic was heavy on the M1 Princes Motorway after an accident on Wednesday. Picture: ADAM McLEAN
A one-vehicle car accident on the M1 at Gwynneville just before midday Wednesday, has caused traffic chaos for those heading northbound with cars queued for about four kilometres.
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NSW Police Media said the incident was believed to be minor, though affected two northbound lanes on the Princes Motorway – causing flow-on effects.
As of 12:30pm northbound traffic was delayed from Five Islands Road to just beyond Mount Keira Road.
![Picture: Live Traffic Picture: Live Traffic](/images/transform/v1/crop/frm/UPAcJLQNVGftX3BUDy544C/9e709a71-6ce3-4e6b-9809-5a7820816ec1.JPG/r0_17_854_596_w1200_h678_fmax.jpg)
Picture: Live Traffic