A three-day demonstration at Heathrow Airport has provided the UK with its first taste of a driverless bus. ALAN MILLAR reports on what it is like and how such radically different vehicles could help revolutionise the delivery of public transport in urban and rural areas in the foreseeable future

The Navya Arma on demonstration at Heathrow.
Autonomous vehicles — driverless in other words — are coming soon and are likely to have a profound impact on the future of the bus as we know it.