Driverless cars still have a long way to go

The Cadillac CT6 with its integrated Super Cruise can travel at up to 137 kilometres per hour in a robot mode. — Cadillac/dpa

The first driverless cars carrying passengers are already on the streets. Some experts say this is just a beginning. Before conquering the roads however, robot cars still have a long journey ahead.

As the vehicle glides away from the kerb, only the whine of the power-steering pump can be distantly heard.