Biblioteca

The warning sign placed on the right shoulder indicates the proximity of a dip in the road, i.e., a concave deformation in the pavement. Upon seeing this sign, the driver must reduce speed and redouble attention to ensure the safety and stability of the vehicle when passing over this irregularity. The other options are incorrect because the 'hump' sign indicates a protrusion or elevation in the carriageway, while the 'hump or dip' sign indicates a road with an irregular or successively deformed profile. The symbol represented in the image's sign clearly shows only a concavity, corresponding exclusively to a dip.