Two arrested after body found on NSW road

A man and woman have been arrested following the discovery of man's body by the side of a road on the NSW Central Coast.

The man, who is yet to be formally identified, was found by a motorist at Greengrove about 40km west of Gosford on Tuesday morning.

He is believed to be in his 40s and the cause of his death is being treated as suspicious.

A 35-year-old man and a 36-year-old woman have since been arrested.