If you are driving and see a traffic officer from the front moving their arm alternately up and down, how must you act?

Question

DentroTest · Accepted Answer

In accordance with the General Traffic Regulations, the signals of law enforcement officers prevail over any other signage (Article 133). An officer who moves an extended arm alternately up and down requires drivers approaching from the side corresponding to the arm making the signal to reduce speed (Annex I, 1.1(d)). Stopping the vehicle immediately on the side the arm points to is incorrect, because stopping is ordered with the arm raised vertically (for all users approaching the officer) or with the arm extended horizontally (for those arriving from directions that cut across that of the arm). Making a turn toward the side indicated by the arm is incorrect too, because this gesture does not order any turning or diversion maneuver.

If you are driving and see a traffic officer from the front moving their arm alternately up and down, how must you act?

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