Almost 60 school children escaped serious injury after a serious crash involving a car and school bus north of Canberra this afternoon.

At around 4.10pm ACT and NSW emergency services responded to a two-vehicle collision involving a school bus and car on Macs Reef Road.

A 40-year-old male was trapped in his car for nearly an hour and was freed with the assistance of ACT Fire and Rescue and NSW Fire and Rescue. He was airlifted to hospital in a serious condition with abdomen, pelvis and lower limb injuries.

NSW Ambulance stated approximately 59 school children were assessed at the scene with none sustaining serious injuries.

NSW Police are investigating the incident.