A teenager and a woman have died in two separate car accidents in regional NSW.
A 17-year-old boy driving a Nissan Pulsar in East Lismore crashed into a tree about 7pm on Monday.
The teenager suffered critical injuries and died at the scene despite the efforts of emergency services.
Police said a 31-year-old woman died after her Holden Commodore crashed on the Bylong Valley Way, 5km north of Rylstone, about 6pm on Monday.
Officers established a crime scene and a report will be prepared for the coroner.