A 57-year-old man has died following a single motorcycle collision on Tidbinbilla Road yesterday afternoon, Monday 6 October.

At about noon, an ACT Road Policing officer patrolling on Tidbinbilla road observed a group of motorbike riders speeding while travelling in the opposite direction.

Soon after, one of those riders failed to take a right-hand bend in the road and collided with a tree to the left of the roadway.

Other riders and the police officer commenced CPR however the 57-year-old Palmerston man died at the scene.

Major Collision team members are conducting an investigation into the circumstances of the collision, and a report will be prepared for the coroner.

It is the fifth death on ACT roads this year.

Anyone who can assist with information in relation to this matter (who has not already spoken to police) is urged to contact Crime Stoppers on 1800 333 000, or via the Crime Stoppers ACT website.  Please quote P2387634. Information can be provided anonymously.