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Embark completes 5-day trip across the U.S. in a self-driving semi

Embark announced today that its self-driving tractor-trailer has become the first autonomous truck to travel across the U.S.

The 2,400-mile journey across I-10 began in Los Angeles last week and finished five days later in Jacksonville, Fla. A professional driver sat at the wheel of the Peterbilt ready to assume control if necessary.

Late last year, Embark claimed the longest self-driving truck route in the world following a partnership with Ryder and Electrolux in which it agreed to haul appliances from L.A. to El Paso. This latest trip is four times longer.

“When we announced our Los Angeles to El Paso route we promised that was the just first stage of a much larger expansion,” Embark CEO Alex Rodrigues said.

Another Embark goal includes making the cross-country trip across the U.S. in two days instead of five. Current federal regulations restrict most trucks to 11 hours of travel per driver per day.

“One of the most exciting aspects of this technology to our partners, like Electrolux, is being able to shrink their supply chains and take advantage of just-in-time manufacturing strategies,” Rodrigues explained. “Similarly the growing e-commerce industry requires these sorts of two-day routes to get products to consumers in an acceptable time frame.”

Making its self-driving system even more efficient, Embark reports, is a machine learning approach to automation which reconstructs a model of the world using only its sensors in real time. Labor-intensive and costly pre-mapping, which Embark says is a limitation for Waymo, Cruise and Uber, is not required.

However, drivers are still required in all autonomous semis, and in the case of Embark’s truck, it’s not clear if the driver ever had to take control of the truck during its cross-country trip. That question along with others pertaining to the record-setting truck were left unanswered by Embark Chief Operating Officer Mike Reid.

Reid did answer a question by email about drivers.

“Embark’s automated trucks still have a professional driver sitting at the wheel actively monitoring the road, supervising the system, and ready to take control at any time. They can take over control by turning the wheel, applying the brake or throttle. These systems are still very new, and safety remains a top priority for us,” Reid wrote.

The road ahead for Embark looks promising. Since late last year, they’ve increased their inventory of trucks from two to five. By the end of the year, the company plans on owning 40 trucks. While it’s not entirely clear what accounts for that steep projection, Reid may have dropped a hint when responding to a question about Electrolux.

“Our partnership continues to thrive. Electrolux has been phenomenal to work with, and we’re learning how our automated trucks can best be utilized within the company’s vast supply chain. We expect to share more news on our work together in the future,” he wrote.

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Tom Quimby is the associate editor for Hard Working Trucks. Reach him at tomquimby@randallreilly.com. Follow him on Twitter @tom_quimby.