An 18-wheeler (tractor-trailer) that is driverless from the start of the trip to the end. On the highway, the self-driving rig is autonomous; however, when traveling in cities and side roads, the truck is driven from a central station by remote drivers with computer screens.
Self-driving trucks are expected to become mainstream in the late 2020s and thereafter. How many of the nearly 1.7 million truck drivers in the U.S. will be retrained as drivers at a computer terminal remains to be seen. See
Tesla Semi,
truck platooning and
self-driving car.