There is definitely no road that accesses Aguas Calientes from Cusco, so using a bus for the entire journey just isn't an alternative. The trains are your best guess! (which stops in Ollantaytambo alongside the best way). This direct practice route is provided by each PeruRail and IncaRail and requires https://machupicchutours95937.amoblog.com/not-known-factual-statements-about-best-machu-picchu-tours-from-cusco-48475398