A quick search through the interweb reveals many similar trials ongoing in England.
Milton Keynes to hold large-scale driverless car trial
https://www.bbc.co.uk/news/technology-59859587
UK’s first multi-city autonomous car trial begins in Oxford
Self-driving technology on trial
https://www.fleetnews.co.uk/fleet-management/future-fleet/self-driving-technology-on-trial
UK on the cusp of a transport revolution, as self-driving vehicles set to be worth nearly £42 billion by 2035
Government paves the way for self-driving vehicles on UK roads
first types of self-driving vehicles could be on UK roads by the end of this year
journeys of the future could ease congestion, cut emissions and reduce human error
Automated Lane Keeping Systems are a first example of self-driving technology, and will be limited to speeds of up to 37mph on motorways