How will passengers interact with autonomous shuttles?

Self-driving, electric shuttles are poised to play a key role in the future of urban mobility. With zero emissions, silent operation and multiple occupancy, they certainly address many of the challenges facing cities today. But just how user friendly are these vehicles? Without a driver on board, they require a whole new approach to HMI. This year at CES, Cerence offered its take on how riders may interact with autonomous public transport.