Police are hoping members of the public can help them after a motorcycle was spotted driving at considerable speed between Ashburton and Buckfastleigh.
Reports have suggested that the blue Suzuki motorcycle has been doing around 100mph in a 60mph zone.
A police spokesman said: "We would like to stop this rider so if you witness this, give us a call on 999 straight away, if it is safe to do so.
"If you can't call straight away but you manage to get the registration, then send a private...
