Police are appealing for information after a pedestrian was seriously injured in a collision with vehicles on the M3 at Otterbourne.
Officers were called to junction 12 of the northbound motorway at around 9.20pm last night.
A 73-year-old man from Winchester was walking along the carriageway when he was hit by a number of vehicles - at least two, police say.
He suffered serious life threatening injuries and was taken to Southampton General Hospital, where he remains in a critical condition.
The northbound carriageway was closed for around three hours for police to investigate and recover the scene.
Anyone with information is asked to contact Sergeant Tester at Totton police station on 101 quoting Operation Walburton.
A pedestrian has been hit by a number of passing vehicles on a motorway in Hampshire. He is in Southampton General Hospital with serious life-threatening injuries.
Police are appealing for witnesses after the incident at Junction 12 of the northbound carriageway of the M3 at Otterbourne. It happened at 9.20pm on Monday 8th April 2013.
Hampshire Police are trying to trace two vehicles that may have been involved - a dark lorry, and a Renault car. Anyone with information is asked to contact the Roads Policing Unit on 101.