The ACT Ambulance Service took a motorcyclist, 58, to Canberra Hospital with fractures to his lower leg after an accident at midday on Saturday.
The accident occurred just before 1pm at Uriarra Crossing, Uriarra Road, in Canberra's north.
No other vehicles are believed to have been involved in the accident.
The rider is in a stable condition and is undergoing treatment.
Meanwhile, another motorcylist was involved in an accident on Osburn Drive and Cannan Crescent in Macgregor just after 5.30pm on Saturday afternoon.
The rider suffered minor injuries and was taken to Calvary Hosptial for treatment.