Drivers killed in separate crashes in NSW

Two drivers have died in separate crashes involving trucks in NSW.

A 70-year-old man died at the scene after his car crashed into the side of a parked truck at Randwick in Sydney's east on Friday afternoon.

And police said a 46-year-old woman was killed in a head-on collision between a car and a truck on the Oxley Highway near Walcha Road in the Northern Tablelands.

Emergency workers were called to that crash about 6.15pm on Friday, with the male truck driver taken to hospital for mandatory testing.