Police are appealing for witnesses following a serious road crash on the A66 near Threlkeld.
It happened at around 6am on 30 May.
A Suzuki Swift and DAF flatbed HGV collided causing serious injury to the male front seat passenger in the Suzuki.
A 21-year-old passenger, from Penrith, was taken to Cumberland Infirmary Hospital at Carlisle before being transferred to the Royal Victoria Hospital in Newcastle. His condition is described as serious.
The drivers from both vehicles escaped with minor injuries.
Emergency services were at the scene.
The road was closed for six hours.
Anyone with information are asked to call 101.