Ключевые слова: asphalt, auto, automobile, bus, busy, capital, car, central, city, commuter, crowded, district, downtown, driving, ecosystem, emission, environment, flags, frustration, fuel, fumes, gasoline, global, group, highway, hour, jam, lane, line, metropolis, motion, pollution, road, rush, slow, speed, street, stress, time, traffic, transport, transportation, travel, urban, urgency, vehicle, waiting, warming,