If a mechanical breakdown forces you to immobilize your bus on the right shoulder of a motorway, are you required to warn of and signal this situation?

Question

DentroTest · Accepted Answer

If a vehicle is immobilized because of a breakdown or accident, in addition to switching on the hazard lights if it has them, every driver must use the advance hazard warning device required by the regulations to warn of it (General Traffic Regulations, Article 130(4)). Since 1 January 2026 the only valid device is the connected V-16 warning light, which must appear on the DGT list and be placed on the highest possible part of the vehicle; warning triangles are no longer a valid means of advance warning (Royal Decree 159/2021). That is why the point is not to place advance warning devices behind the bus, or in front of and behind it.

If a mechanical breakdown forces you to immobilize your bus on the right shoulder of a motorway, are you required to warn of and signal this situation?

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