Around midday, emergency services were called to the scene at Mount White, following reports a motorcyclist was hit by a falling tree.
— mbevz (@mbevz) July 14, 2018
The CareFlight Helicopter was tasked to the crash site, with the patient flown to hospital.
One lane of the M1 was closed for around an hour, with delays stretching more than three-kilometres.
Traffic is now returning to normal.