Brussels, 24 September 2026 – A Belgian road-safety organisation says Tesla’s supervised Full Self-Driving system frequently failed to observe 30 km/h limits during a limited series of local tests, placing regulatory scrutiny back on the gap between driver-assistance capability and reliable compliance with road rules. The organisation’s original Dutch-language report describes testing over three days in July on roughly 400 kilometres of roads. Its findings are an advocacy-group assessment, not a continent-wide safety verdict.
In the tested 30 km/h zones, the group reported violations in 55% of cases and an average observed speed of 44 km/h. It said the car sometimes displayed an incorrect 50 km/h limit and attempted manoeuvres around cyclists that the testers considered unlawful. Those numbers require careful framing: they describe the tested routes and conditions, not the behaviour of every Tesla vehicle or every version of the software.
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