A driver has been caught doing 121 miles per hour on the M4.

Officers from the Roads Policing Unit (RPU) recorded a motorist travelling over 50 miles per hour over the speed limit on their speed gun near junction 17 of the M4.

They stopped the vehicle to speak to the driver, who is now waiting to be dealt with in court.

Wiltshire Specialist Ops posted the offence on social media, saying “Trying not to overdo it with the speed gun photos, but this one is worth an honourable mention.

Grossly inappropriate speed for the traffic conditions while passing under Junction 17. Off to court.”

The Wiltshire Specialist Ops Twitter page posts regular updates on Wiltshire Police's Roads Policing Unit, as well as the county force's Armed Response Group. 

Wiltshire Police has committed to cracking down on the 'fatal five offences' on Wiltshire's roads, which are speeding, drink and drug driving, using a phone whilst driving, not wearing a seatbelt, or careless and dangerous driving.

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