Roads around Huntingdon are closed due to a road traffic collision at RAF Wyton.
Heavy traffic is expected due to the road closures near the A141 BP garage roundabout.
Cambridgeshire police are currently at the scene and are diverting traffic around the area.
Injuries are unknown however a Magpas rapid response vehicle is also at the scene.
A witness said that it believed that a car had launched itself 10ft in the air near the RAF Wyton Roundabout.
Traffic is heavy around Huntingdonshire particular affecting the A14 and the A141.
Cambs Traffic tweeted: “A141 / B1090 roundabout between KingsRipton and RAF Wyton - multi-vehicle RTC. Delays on all approaches. Please avoid if possible.”