The 26-year-old passenger died at the scene on the A650 Drighlington Bypass, towards Leeds, after a silver Nissan Navara collided with a tree.
It was the only vehicle involved in the crash.
The driver of the vehicle suffered serious injuries and is currently in hospital, while two other passengers were taken to hospital with non-life-threatening injuries.
A West Yorkshire Police spokesperson said: “Police are appealing for witnesses after a fatal road traffic collision on the A650 Drighlington Bypass, Leeds.
“Officers were called at 9pm yesterday evening to the A650 Drighlington Bypass towards Leeds to reports of a one-vehicle collision.
“A silver Nissan Navara collided with a tree.
“A passenger, a 26-year-old man, sadly died at the scene. The driver has suffered serious injuries and is being treated in hospital. Two other passengers were taken to hospital with injuries which are non-life-threatening
“Officers are keen to speak to anyone who witnessed the collision or who saw the silver Nissan Nivara before the collision to come forward.
“We understand there were vehicles travelling in the opposite direction on the A650 just before the collision, heading towards Bradford. We are keen to speak to those drivers also.
“Officers are also keen to speak to anyone who has any dashcam footage of the incident itself.
“Any information can be given to Police on 101, or by using the ‘contact us’ options at www.westyorkshire.police.uk/contactus, quoting log 1588 of 22 December.”