An investigation is underway after a horse and car collided in the Hawkesbury area this afternoon.
Shortly before 1pm, a collision has occurred between a woman riding a horse and vehicle on Macquarie Street near Christie Street, Windsor.
Officers from Hawkesbury Police Area Command are on scene and conducting inquiries.
The 35-year-old woman has been taken by NSW Ambulance paramedics to hospital in a serious condition.
The horse was examined by a local vet but did not appear to by injured.
The 59-year-old male driver has been taken to hospital for mandatory testing.
Traffic is affected in both directions and motorists are urged to avoid the area or allow extra time.
For traffic information visit www.livetraffic.com
Anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au. Information is treated in strict confidence.
