To get to Ponzano, coming either from Florence or Siena, you have to take the SUPERSTRADA (also called AUTOPALIO). This is the main connection between Florence and Siena, it is not a motorway but a four laned drive without toll.
Once you are on the Superstrada:
--Continue on this dual-carriage way till the exit 'POGGIBONSI NORD'
--Take exit ‘POGGIBONSI NORD’ come to the roundabout and take the first road on the right following directions to Barberino Val d’Elsa
--- from here we are only 5.4 km (3 miles) away ---
--Go in the direction of Barberino and after exactly 4,7 Km turn right on a white country road
--Continue for 600 mt and you will arrive at la ‘Torre di Ponzano’ which is the first house on the right
SEE THE POSITION OF TORRE DI PONZANO ON GOOGLE MAP
Torre di Ponzano is located in Ponzano, a small hamlet near the village of Barberino Val d'Elsa.
Barberino Val d'Elsa is north of Poggibonsi on the old Cassia road or, more precisely, on the old
'Via Francigena' half way between Florence, Siena and San Gimignano.