Two men were injured in a head-on crash on Picton Rd this morning.
Both male drivers were trapped for about half an hour after the crash, which occurred about 8am just east of Cordeaux colliery.
Fire rescue crews had to extricate both drivers simultaneously.
One patient was believed to be suffering chest injuries while the other also sustained serious injuries.
Paramedics rushed one driver to Wollongong Hospital while the other was taken to Liverpool Hospital.
Police and the fire brigade were clearing the scene after 9am however traffic was still heavy on Picton Rd.
Westbound traffic is slow but moving.
A second collision occurred near Picton Rd about one hour later, this time on Mt Ousley Rd near the Picton Rd overpass.
The two vehicle collision occurred just after 10.15am and two people were injured.
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Second crash near Picton Rd injures two