Humberside Police are appealing for a driver who failed to stop after a crash with a motorbike to get in touch.
A biker was travelling on the A18 turning onto the M181 in Scunthorpe at around 2.15pm on July 16 when the crash happened.
He was in lane two when a brown/cream car pulled into the path of the biker causing him to fall.
The 47-year-old suffered a fractured collarbone and bruising.
The driver of the car failed to stop at the scene.
Anyone with information should call 101, quoting log number 377 of July 16.