Police are at the scene of a serious incident on the A325, Alice Holt forest in Farnham, close to the junction with Binstead Road.
Officers were called at 5.25pm this evening to an incident involving a vehicle which failed to stop at the scene.
The car has been described as a dark green Peugeot or Citroen estate car, which may have front end damage.
Closures are currently in place on the A325 between Gravel Hill Road and Binstead Road, and at the junction with Fullers Road. The closures are likely to remain in place for a number of hours.
Driver are being warned to avoid the area.