Were you travelling along Technology Drive in Rugby around 8.30pm on Friday (16 June)?
Did you witness a collision between a motorcyclist and a white Mercedes Sprinter van at the junction with Hansen Close?
The motorcyclist – a man in his 20s – was taken to hospital with suspected head and back injuries.
The driver of the van was uninjured.
Investigations are currently ongoing, and officers are asking anyone who witnessed the collision, who was in the area at the time either walking or driving or who has dashcam footage of it to come forward.
Anyone who can help is encouraged to contact the force quoting incident number 489 of 16 June.