The verb circular, meaning 'moverse dentro de un determinado sitio o por un camino', usually has to be translated using the specific verb of movement, e.g. walk, cycle, drive, move around, travel, etc.
-No debes estar circulando por la acera en bici — You shouldn't be cycling on the pavement
→La circulación de bicis por la acera está prohibido — Cycling on the pavement isn't allowed / Bicycles aren't allowed on the pavement [Sustantivo]
-¡Vamos, circulando! — Come on. Keep moving! [Véase gerundio como imperativo]
-El tren está circulando a una velocidad muy alta — The train is travelling at a really high speed
-Hay que enseñar a la gente a circular por la montaña — People have to be shown how to move around on the mountains
