Ключевые слова: america, automobile, blue, california, car, card, cars, center, city, coins, credit, digital, digital parking meter, display, downtown, electronic, electronic parking meter, equipment, francisco, life, lot, machine, metal, meter, outdoors, park, parking garage, parking meter, pay, payment, road, san, san francisco, smart, steel, street, technology, ticket, time, timer, traffic, transport, transportation, trucks, united states, urban, usa, vehicle, west coast, white,