Ключевые слова: abstract, advice, ahead, alternative, arrow, asphalt, bicycling, caution, city, directional, dividing, driveway, forward, guidance, information, infrastructure, lane, law, leader, mark, marking, navigate, paint, pathway, pavement, protection, ride, road sign, route, rule, safe, safety, security, sidewalk, sign, sport, street, together, track, traffic, transportation, urban, walk, way,