The M3 Southbound has one lane blocked this afternoon between J11/A3090 at Winchester and J12/A335 at Otterbourne.
There has been a road traffic collision involving three cars.
Emergency services are at the scene. An eyewitness has told Andover & Villages that about six to seven police cars have made their way to the scene.
Highways England are expecting a return to normal traffic condition between 16.45 and 17.00. There are currently delays of 30 minutes atainst expected traffic.
Avoid the area and choose alternative routes.
Updates to follow.