Highways England have closed one lane of M27 westbound between junctions J7 and J5
after a van has collided with the crash barriers and has become wedged.
Emergency services are on the scene and are waiting for a recovery of the vehicle.
The injuries of the driver are not known at present.
Traffic is stationary on all three lanes of the westbound carriageway and traffic on the Eastbound is slow due to on lookers.
Traffic is reported to be backup up to Junction 7 of the M27.