Ключевые слова: abstract, abstraction, aiming, asphalt, attention, background, banks, belts, capital letters, city, code, continuous, courtesy, distance, double, exceeded, expectation, flat, goal, gray, hard, highway, horizontal, interruptedted, intersection, justice, law, levels, line, movement, painted, perspective, principle, priority, public safety, restriction, ride, roadway, roundabout, rule, safety, sign, single, tournament, trail, triangle, turn, way, white, yield,