The collision, which involved a Ford Transit van, a VW Caddy, and a Ford Fiesta, happened around 8.10 p.m. on Monday, July 11 on Hockford Lane near the Brimpton Common intersection.
Unfortunately, the passenger in the VW Caddy, a 58-year-old man from Woodley, died at the scene.
Officers have informed his family and are assisting them at this time.
The driver of the VW Caddy, a 59-year-old man from Reading, was seriously injured and was taken to the hospital for treatment, where he is still being treated.
A 22-year-old man from Leicester has been arrested on suspicion of causing death by dangerous driving and driving while intoxicated. He is currently being held by police.
“We are appealing to anyone who was in the area at the time of the collision, or anyone who witnessed what happened, to contact us as soon as possible,” Detective Constable Lyndsey Blackaby said.
“We are also interested in speaking with anyone who was in the vicinity at the time of the incident and may have dash-cam footage.”
“If you have any information about this incident, please contact us as soon as possible as it may assist our investigation.”
Anyone with information can contact the police by going online or calling 101 and quoting 44220277685 or Operation Recurrent.