The details: The collision closed the westbound carriageway for 13 hours, with the road not reopening until 05:25 on Monday, 17 November.
Police were called at just after 16:20 on Sunday, 16 November, to reports of a two-vehicle collision on the westbound carriageway near Stowmarket.
A black Jaguar XJ Sport collided with a MAN truck which was parked in a layby.
Fire and ambulance crews attended, but the driver of the Jaguar sadly died at the scene.
A female passenger in the Jaguar was taken to Addenbrooke's Hospital having suffered a potentially life-changing leg injury.
What's next: Officers from the Joint Norfolk & Suffolk Serious Collision Investigation Unit are appealing for any potential witnesses to come forward.
Police are asking any motorists driving in the area on Sunday afternoon with a dashcam fitted in their vehicle to review the footage for any material that may be of assistance.
The bottom line: Anyone with information is asked to contact the Joint Norfolk & Suffolk Serious Collision Investigation Unit, quoting reference 37/65219/25, via the Suffolk Police website at www.suffolk.police.uk/tell-us, by email at SCIU@norfolk.police.uk, or by calling 101.
