Police are appealing for witnesses to an incident which happened in the area of the 32nd milestone between Windy Corner and the Brandywell Road junction of the Snaefell Mountain Road at about 4.45pm on Thursday (September 26).
The incident involved a silver car travelling towards Ramsey and a small red van travelling towards Douglas.
It is believed there were a number of motorists using the road at the time, who may have seen the incident, which involved the silver car overtaking and coming into direct conflict with the red van and causing the red van to take action to avoid a collision.
In particular the police are keen to speak to the driver of green car, which was travelling towards Ramsey and which was overtaken by the silver car at the time.
It is believed the driver of the green car turned off the Mountain Road on to the Brandywell Road immediately after the incident.
Anyone with any information in respect of this matter is asked to contact Constable Blaire Hunt at Ramsey police station or any police officer.