The service will see five single-decker autonomous buses ferry around 10,000 passengers across the bridge every week.

Two members of staff will remain onboard, a safety driver in the driver’s seat to monitor the technology, and a ‘captain’ in the saloon to take tickets and answer customer questions.

The project, named CAVForth, will be the first registered bus service in the UK to use full-sized autonomous buses. A fleet of five Alexander Dennis Enviro200AV vehicles will cover a 14-mile route, in mixed traffic, at up to 50mph across the iconic Forth Road Bridge from Ferrytoll Park & Ride, in Fife, to Edinburgh Park Transport Interchange.

Scottish transport minister Kevin Stewart said: “This is an exciting milestone for this innovative and ambitious project, and I very much look forward to seeing Project CAVForth take to the roads next month.

“Our trunk road network can provide a wide range of environments as a diverse testing ground, and the ground...