TIER IV and Isuzu Deploy Level 4 Autonomous Buses with NVIDIA DRIVE Hyperion

The partnership brings Autoware-powered self-driving transit to Isuzu's ERGA electric and diesel bus models.

Mar. 17, 2026 at 1:26am

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TIER IV, a Japanese autonomous driving software company, and Isuzu Motors, a major commercial vehicle manufacturer, have announced the deployment of Level 4 autonomous buses powered by NVIDIA's DRIVE Hyperion computing platform. The buses will feature NVIDIA's DRIVE AGX Thor system-on-chip for safety and performance redundancy, and will leverage TIER IV's Autoware open-source autonomous driving software stack. This collaboration aims to bring scalable and safe self-driving public transit solutions to market.

Why it matters

The deployment of Level 4 autonomous buses by TIER IV and Isuzu represents a significant milestone in the commercialization of self-driving technology for public transportation. This partnership addresses key challenges facing the transit industry, such as driver shortages, while also promoting more sustainable and efficient mobility solutions.

The details

The Level 4 autonomous buses will be based on Isuzu's ERGA electric and diesel bus models, and will utilize NVIDIA's DRIVE AGX Thor system-on-chip as part of the DRIVE Hyperion autonomous driving platform. TIER IV's Autoware open-source software stack will power the self-driving capabilities of these vehicles. The announcement coincides with NVIDIA's GTC 2026 conference, underscoring the technological advancements that enable this level of autonomous transit.

  • The deployment of the Level 4 autonomous buses is timed to coincide with NVIDIA GTC 2026, held from March 16-19, 2026 in San Jose, California.

The players

TIER IV, Inc.

A Japanese autonomous driving software company founded by Shinpei Kato, which is developing the Autoware open-source autonomous driving software stack.

Isuzu Motors Limited

A major Japanese commercial vehicle manufacturer, known for its advanced bus platforms, that is partnering with TIER IV to deploy Level 4 autonomous buses.

NVIDIA

An American technology company that provides the DRIVE Hyperion autonomous driving platform and DRIVE AGX Thor system-on-chip used in the Level 4 autonomous buses developed by TIER IV and Isuzu.

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What they’re saying

“This collaboration marks a definitive milestone for autonomous transit. By fusing Isuzu's legendary engineering with NVIDIA's Thor AI compute, we have built an unmatched foundation for Level 4 transit driven by Autoware. Unveiling this Level 4 autonomous bus deployment at NVIDIA GTC 2026 proves that when you combine world-class hardware with the power of the Autoware ecosystem, safe and scalable public transit is no longer a goal – it is a reality.”

— Shinpei Kato, Founder and CEO of TIER IV

“Our partnership with TIER IV and NVIDIA represents a significant leap in commercial vehicle intelligence. Deploying Level 4 autonomous driving on both our ERGA EV and diesel models ensures that we provide versatile, sustainable, and highly efficient solutions for any fleet. We are bringing Isuzu's world-renowned reliability to the autonomous age, ensuring safe and high-performance transit at scale.”

— Hiroshi Sato, Senior Executive Officer and Vice President, Engineering Division of Isuzu

“The transition to highly automated commercial transport demands fail-operational, high-performance computing without compromise. TIER IV and Isuzu are frontrunners in the public transit vertical, utilizing NVIDIA DRIVE AGX Thor on the DRIVE Hyperion platform in the Isuzu ERGA to power TIER IV's Autoware-based Level 4 software stack. Their scalable solution addresses critical real-world needs, such as Japan's national driver shortage, while delivering the operational rigor necessary for essential public services.”

— Rishi Dhall, Vice President of Automotive at NVIDIA

What’s next

The Level 4 autonomous buses developed by TIER IV and Isuzu are expected to begin real-world deployments in Japan following the announcement at NVIDIA GTC 2026.

The takeaway

The partnership between TIER IV, Isuzu, and NVIDIA represents a significant step forward in the commercialization of autonomous public transit, leveraging advanced hardware, software, and industry expertise to bring scalable and reliable self-driving bus solutions to market.