By road, Siena is linked to Florence by a "superstrada" (the Raccordo Autostradale RA03 – Siena-Firenze), a form of toll free autostrada.
Siena terhubung dengan Firenze melalui suatu "superstrada" (Raccordo Autostradale RA03 – Siena-Firenze), semacam autostrada bebas biaya.