Two lanes have reopened on the M5 southbound between junctions 24 and 25.
Lane one remains closed pending recovery of the vehicle and repairs to the safety barrier.
The M5 southbound is currently closed following a fatal collision between Bridgwater and Taunton this morning (Saturday).
Avon and Somerset Police said:
“Police were called just after a 4am on Saturday 26 June to a single-vehicle collision on the M5 southbound.
It happened between junctions 24 for Bridgwater and 25 for Taunton.
Sadly the passenger of the black Audi died at the scene.
The driver was arrested at the scene but has been taken to hospital with injuries not believed life-threatening or life-changing.
The road is currently closed while collision investigators examine the scene and pending recovery of the vehicle. It’s not currently expected to reopen before midday.
Anyone who was travelling along that stretch of the motorway who witnessed the collision or who may have dashcam footage which could help the investigation is asked to call 101 quoting reference 5221142767.”