In the race to develop autonomous truck technology, Starsky Robotics separated itself from the pack June 16, when the company ran one of its automated 18-wheelers on a 9.4-mile stretch of the Florida Turnpike near Orlando without a human being on board. Instead, a safety driver sat at a console at the company’s facility in Jacksonville, watching a collection of monitors fed by the truck’s onboard cameras. The console was equipped with a small steering wheel and accelerator and brake pedals with which he could perform last-mile and other operations. Now, whether the feat truly qualifies as “autonomous,” “self-driving” or “driverless” is a matter for the Word Police to decide and competitors to argue over. By any name, the company is chalking it up as a victory and a major step in its long-term strategy. Founded in 2016 in San Francisco, where it is still based, by Stefan Seltz-Axmacher and Kartik Tiwari, Starsky Robotics got its operating authority in 2017. While developing driverless technology, the company is also a traditional carrier with about three dozen trucks operating throughout the Lower 48. Meanwhile, Starsky has been conducting progressively ambitious experiments with...