Police have released to name the 18-year-old man who died after he and another man were in collision with a motorhome as they crossed the A303 near Andover at around 9pm on Friday, September 16.
Harry Butler, from Walled Meadow, Andover, was pronounced dead at the scene.
The other pedestrian, a 23-year-old man from Liss, suffered serious injuries and was taken to Southampton General Hospital, where his condition is described as stable but life-threatening.
The driver of the vehicle was uninjured.
Officers from the Serious Collision Investigation Unit, who are investigating the exact circumstances of this collision, are appealing for any witnesses to the incident to come forward.
They would also like to speak to anyone who saw either the white Fiat motorhome or the two men prior to the collision.
Anyone with information is asked to contact SCIU on 101, quoting 44160350925, or call Crimestoppers anonymously on 0800 555 111.