A motorcyclist has been seriously injured following a collision with a car in Forde this afternoon.

At about 2.30pm ACT Emergency Services responded to reports of a collision at the intersection of Horsepark Drive and Kathrine Avenue.

The rider of the motorbike was treated at the scene by ACT Ambulance Service paramedics and transported to hospital with serious injuries.

The road was closed for several hours while emergency services remained in attendance.

ACT Policing is investigating the collision, anyone who witnessed the collision who has not already spoken to police is urged to contact Crime Stoppers on 1800 333 000 and quote P2178908.