It occurred at 10.45am on Wednesday 17 July 2013, involving a pedal cycle and a grey Suzuki motor car.
As a result of the collision the 40-year-old man riding the bike suffered head injuries and was taken to James Cook University Hospital. It is not believed that the injuries are life threatening.
The occupants of the Suzuki, a 70-year-old man driving the car and a 67-year-old woman passenger, were not injured. However, they were left shaken by the incident.
If you were in the West Tanfield area around the time of the collision and saw either the Suzuki or the bike prior to the incident, I ask you to come forward and contact the police as you may have information that could help with my enquiries.
Anyone who witnessed the collision is asked to contact Richmond police on 101, select option 2 and ask for Don Wright Alternatively information can be emailed to firstname.lastname@example.org, quoting reference number 12130119308.