Ключевые слова: accessibility, blue, bright, bus seats, bus transportation, california, calm, city bus, city life, city street, city travel, civic transport, commute, contrast, daytime, empty bus, forwardfacing, gray, grey, ground transportation, handrail, interior, layout, metropolitan, natural light, offpeak, overhead lighting, priority seating, public commute, public service, public transportation, san francisco, seating, solitude, stationary, transit system, transportation, travel, urban, urban mobility, vehicle, vibrant, yellow,