Ключевые слова: america, asphalt, automobile, bridge, building, ca, california, car, cars, city, cityscape, commute, concrete, directions, divided, editorial use only, exit, expressway, fast, freeway, highway, i 280, i280, infrastructure, intersection, junction, lanes, level, motorway, multilevel, multiple, road, san francisco, sf, speed, stacked, street, town, traffic, transport, transportation, travel, travelling, trip, underpass, united states, urban, usa, vehicles,