Ключевые слова: active, alert, along, attention, beware, bison, buffalo, canada, caution, collision, communicate, country, crossing, danger, direction, enter, forest, freeway, gravel, green, guide, hazard, highway, indicate, information, maintenance, message, northwest territories, notice, nwt, orange, outline, pass, population, posted, potential, rectangle, road, rural, safety, sign, slow, transportation, warning, wildlife,