TIER IV secures Japanese government grant to advance autonomous bus field operational tests and talent development in Saudi Arabia

Through this program, TIER IV will conduct autonomous bus field operational tests (FOTs) in Saudi Arabia.

In September 2025, TIER IV signed a memorandum of understanding with Elm, a developer of digital services and autonomous technologies.

Vehicle integration TIER IV will develop autonomous buses for deployment in Saudi Arabia, working with a European automaker to integrate its autonomous driving system.

TIER IV will apply the knowledge gained from deploying Japanese autonomous driving technologies in Saudi Arabia and neighboring countries to the development of autonomous driving technologies in Japan, contributing to further technological advancement.

About TIER IV TIER IV stands at the forefront of deep tech innovation, pioneering Autoware, open-source software for autonomous driving.