Police are seeking information and assistance to identify the rider and motorcycle observed on the East Tamar Highway Mowbray about 10am today.
The rider of the dark coloured sports bike was observed to be travelling north on the East Tamar Highway near the Mowbray connector roundabout in excess of double the 80km/h speed limit.
The motorcycle, which does not appear to be displaying a number plate, was clocked at 206km/h in the 80km/h zone.
Anyone with dashcam footage, or relevant information are asked to contact police on 131 444 or Crime Stoppers on 1800 333 000 or at www.crimestopperstas.com.au. Information can be provided anonymously.