AdvertisementU.S. Postal Service Tests Self-Driving TrucksMay 21, 2019Vanessa RomoCamila DomonoskefacebookEmailA U.S. Postal Service truck backs into a dock at the U.S. Post Office sort center on August 12, 2011 in San Francisco, California. The USPS has partnered with TuSimple to launch a multistate driverless semitruck test program on Tuesday. It doesn't involve home deliveries. (Getty Images)