Ключевые слова: busy road, caution, city center, city road, city traffic, closed road, closure, construction, construction zone, detour, detour sign, disruption, emergency sign, information sign, infrastructure, lane closure, london, pedestrian, public safety, red sign, road ahead closed, road closure, road hazard, road regulation, road restriction, road sign, roadblock, roadwork, safety, sidewalk, signage, street, street sign, temporary sign, traffic alert, traffic control, traffic sign, transport, transportation, travel, travel alert, uk, urban area, urban traffic, vehicles, visual warning, warning message, warning sign,