Bus connections go to Florence, Siena, & San Gimignano 4/day 2 hours, change in Colle Val d'Elsa, all same. There are also buses to Pisa 9/day 2 hours, change in Pontedera. Practically no buses in or out on sundays & holidays. All buses leave & arrive at Piazzi Martiri della Libertà, buy tickets at a Tabbachi shop. Tra-In bus tickets only get you to Colle di Val d'Elsa, you'll need to buy tickets for another bus company at the newsstand near the bus stop there.