Ключевые слова: accident, ahead, alert, area, attention, blue, canada, car, care, caution, child, city, clouds, communication, cross, crosswalk, danger, dangerous, drive, education, holding, hours, kids, law, legal, manditory, maximum, pathway, pedestrian, post, protection, reflective, roadsign, roadway, route, safety, school, sidewalk, sky, slow, speed, street, students, traffic, transport, transportation, urban, vehicle, warning, zone,