An ambulance helicopter has been dispatched to the scene of a motorbike crash on the Lyell Highway this afternoon.

A Tasmania Police spokesperson said the male rider is reported to have non-life threatening injuries.

Emergency services have remained at the scene.

EARLIER:

Tasmania Police are travelling to the scene of a serious crash on the Lyell Highway.

The driver of the motorcycle crashed about eight kilometres south of Derwent Bridge this afternoon.

A spokesperson for Tasmania Police asked motorists travelling in the area to avoid the scene or expect delays while emergency services clear the site.

IN OTHER NEWS:

The spokesperson said the cause of the crash is unknown at this stage, but is being investigated.

Anyone with information should call Tasmania Police on 131 444.

More to come.