The delivery firm is the first customer to take part in the trial with Ford.
The partnership is part of Ford’s new Self-Driving Vehicle Research Programme designed for businesses in Europe.
“Doorstep deliveries are more a part of our lives than ever before – but the way we receive those parcels could be undergoing a change,” said Ford.
Hermes has been conducting the trial in Oxford
The specially adapted Ford Transit features sensors that mimic the look of an actual self-driving vehicle and will have a "human car seat" in control of the vehicle.
This enables a hidden driver to drive while giving the impression that there is no one at the wheel.