Police are appealing for witnesses following a collision in the Newhouse Farm Industrial Estate at around 2.55pm yesterday.
Officers attended, along with personnel from South Wales Fire and Rescue Service and Welsh Ambulance Service, and the collision involved one car; a green Mini Cooper.
The driver of the car, a 28-year-old man from Newport was taken to hospital for treatment.
Officers investigating the collision want to speak to anyone who was in the area between 2.25pm and 3pm, including members of the public who helped at the scene before officers arrived.
Anyone with information, including dashcam or CCTV footage, is asked to contact Gwent Police by calling 101 and quoting log reference 2400018064.