There is really no road that accesses Aguas Calientes from Cusco, so using a bus for the whole journey is not really an option. The trains are your best wager! Fortunately, should you’re heading to Cusco, there are various tours to Machu Picchu that make organizing a great deal simpler. https://machupicchuhikingtoursfro04815.blogdigy.com/the-greatest-guide-to-machu-picchu-tours-40522049