On a motorway or dual carriageway, what is considered an abnormally low speed if there are no justified causes?

Question

DentroTest · Accepted Answer

On motorways and dual carriageways, regulations state that you are driving at an abnormally low speed when it is less than 60 km/h. This is dangerous because the speed difference with other road users (who may be traveling at 120 km/h) drastically increases the risk of rear-end collisions. Therefore: Less than 60 km/h: This is the correct answer. Driving at this speed is prohibited unless there is a justified cause (heavy traffic, adverse weather, etc.). Less than 50 km/h: Incorrect. 50 km/h is the generic limit on urban roads, not the minimum on a motorway. Less than 80 km/h: Incorrect. Although this is a safe speed, it does not define the legal threshold for 'abnormally low'.

On a motorway or dual carriageway, what is considered an abnormally low speed if there are no justified causes?

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