Artificial road roughness (Lying police officer)

The Artificial Road Roughnesses (ARR) or "The lying police officer" is the artificially created eminence on a carriageway, in the form of a strip from special wearproof rubber, intended for reduction in the rate of the movement of the vehicle to 10-20 km/h in places of the increased danger: crosswalks, schools, hospitals, parkings and parking, parkings, production and warehouse zones, objects of a special purpose, parks of rest, gas stations, maternity hospitals, administrative services, etc.