TIER IV tests Level 2+ semi-trailer truck for long-haul autonomous logistics with Yamato Transport and Mitsubishi Fuso
TIER IV tests Level 2+ semi-trailer truck for long-haul autonomous logistics with Yamato Transport and Mitsubishi Fuso is drawing significant interest across the industry.
**media[964725]**TOKYO, March 9, 2026 /PRNewswire/ -- TIER IV, the pioneering force behind open-source software for autonomous driving, has completed proof of concept tests for long-haul autonomous trucking with Yamato Transport Co., Ltd. (Yamato Transport) and Mitsubishi Fuso Truck and Bus Corporation (MFTBC), as part of a Japanese government initiative. The tests evaluated vehicle performance, safety protocols and operational workflows, with customer freight transported on a semi-trailer truck equipped with Level 2+ technology. The data and operational insights gathered will be used to refine autonomous driving technology, with the ultimate goal of integrating Level 4 trucks into Yamato Group's long-haul transportation routes.OverviewPeriod: February 16-20, 2026Route: Haneda Chronogate Base (Tokyo) - Kansai Gateway Base (Osaka). Two round trips (four legs) of the about 500-km route were completed. The truck operated at Level 2+ for 100 km on the Shin-Tomei Expressway between two service areas in Shizuoka Prefecture.Evaluation scopeVehicle performance and safety Collection of trailer motion data, including sway and articulation trajectories.Performance verification, tracking hands-off duration and lane-keeping accuracy.Analysis of surrounding conditions, driver decision-making criteria and other factors linked to manual interventions.Travel time Confirmation that schedules were maintained during Level 2+ driving as reliably as during manual operations, without delays.Operational workflows Trials of systems that automate parts of the pre-trip inspection, such as tire pressure checks.Remote monitoring of vehicle status and surroundings to prepare for future Level 4 operations.Driver testimonial
Experts suggest this could influence future trends and innovation in the sector.
More updates are expected as the story develops.
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