Tsukada Lab, The University of Tokyo — Evaluation Platform Sub-Team Prof. Manabu Tsukada, Prof. Ehsan Javanmardi, March 2026 A five-year bet that cars and roads should talk to each other When the CooL4 project began in 2021, Level-4 autonomy on open Japanese streets was still a distant promise. By the time it closed at the end of March 2026, a driverless bus was turning right through a busy intersection in Kashiwa-no-ha — guided, in part, by sensors bolted to the traffic signals overhead. CooL4 — the Cooperative Level 4 activity of Japan’s national RoAD to the L4 programme (Theme 4) — set out to answer a specific, stubborn question: inRead more
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