Leave the A1 Milan-Rome motorway at 'Firenze Certosa' 
          and take the superstrada towards Siena. Leave at the 'Poggibonsi Nord' 
          exit, follow signs for San Gimignano and after a methane gas station, 
          take the first left towards the centre of Poggibonsi. Best Parking close 
          to via Santa Caterina.