A bicyclist was hit by a car and was in a critical condition after an accident in Wentworthville Friday morning.
About 9.50am, the rider, a 64-year-old man, was struck by a car on Dunmore Street.
He sustained serious head and leg injuries and was taken to Westmead Hospital.
The car which hit him continued travelling before leaving the road and crashing into a lamp post.
The vehicle driver, a 34-year-old man, was uninjured but taken to Westmead Hospital for mandatory blood and urine tests.
A female passenger was also taken to hospital for a medical check.
Police investigations are continuing.