A vehicle has a special testing permit and follows its assigned route on an interurban section with no specific speed-limit sign. What is its maximum permitted increase over the general limit?

Correct answer

Up to 30 km/h.

Up to 30 km/h under Article 48.1.g. This applies only on the assigned route and never on urban roads, through-roads in built-up areas or sections with a specific speed-limit sign. Merely testing a vehicle without the special permit is insufficient. The authorisation does not remove the duty to adapt speed and drive safely.