Ключевые слова: asphalt, bicycle, bicycling, bike, biking, curb, curve, cyclist, day, direction, dividing, double, environment, exercise, grass, gray, green, lane, line, only, outdoors, pathway, pavement, regulate, ride, road, roadside, roadsign, route, season, separation, sign, spring, street, striped, sunny, surface, symbol, track, traffic, transport, transportation, travel, urban, vehicle, way, white, yellow,