Police have named the driver who died when his van collided with a signpost on the A34 at the Three Maids Hill slip road to Winchester at 4.40am on Sunday.
He was Michael Jones (59), of Albert Road, Llanelli.
His passenger, a woman in her 50s, was taken to the Royal Hampshire County Hospital where her condition was described as "serious but not life-threatening".
The south side of the A34 remained closed for six hours.
Police are appealing for witnesses - ring Winchester Traffic on 0845-0454545.
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