Two dead on NSW roads in three hours

A pedestrian has died after he was hit by a car on the NSW Central Coast.

The man, who has not yet been identified, was struck in a southbound lane of the Pacific Coast Highway just before 6pm on Saturday.

He died at the scene.

The female driver of the car was not injured and was taken to hospital for mandatory testing.

It was the second death on the state's roads on Saturday after a woman was killed when her car hit a tree at Bulli Tops, north of Wollongong, just after 3pm.

She was the only person in the car.