There is in fact no street that accesses Aguas Calientes from Cusco, so having a bus for the whole journey will not be an option. The trains are your best bet! (which stops in Ollantaytambo along how). This direct coach route is supplied by both of those PeruRail and IncaRail https://russn023jkl6.blog-ezine.com/26674790/the-single-best-strategy-to-use-for-machu-picchu-tours