There is definitely no street that accesses Aguas Calientes from Cusco, so having a bus for the whole journey is not an alternative. The trains are your best bet! (which stops in Ollantaytambo together the way). This immediate teach route is supplied by each PeruRail and IncaRail and can take https://trevorvhvch.wssblogs.com/26762510/indicators-on-machu-picchu-hiking-tours-from-cusco-you-should-know