Strada deformata

It is a danger sign that warns of a deformed road, a road in poor condition, deteriorated, or with an uneven surface (usually 150 metres ahead). It may be supplemented by an 'EXTENT' plate (indicating the length of the section), a 'DISTANCE' plate (indicating the distance to the section), or a 'MAXIMUM SPEED LIMIT' sign. If it has a yellow background, it is used in the presence of roadworks. When this sign is present, it is necessary to: adjust the speed according to the specific road surface conditions (especially when towing a trailer) to avoid excessive stress and damage to the suspension anticipate possible swerving of vehicles coming from the opposite direction keep a firm grip on the steering wheel to control potential swerving Not to be confused with the 'HUMP' or 'DIP' sign. It is not true that it warns of a series of humps, a dip, or a section with reduced visibility. It is not true that it is mandatory to drive in the centre of the carriageway or to be cautious of a narrowing of the carriageway.