Coming from Florence:
Go through the SS2 (Florence-Siena) for 65 km.
Exit: "Siena Sud".
Go on indirection of "Porta Tufi" - "Porta Romana" (Str. Massetana Romana).
Crossroads "Zona Industriale Cerchiaia".

Coming from Grosseto:
Go through the SS223 / E-78 (Grosseto-Siena) for 71 km.
Siena Tangential (junction Siena-Firenze)
Exit: "Siena Sud".
Go on indirection of "Porta Tufi" - "Porta Romana" (Str. Massetana Romana).
Crossroads "Zona Industriale Cerchiaia".

Coming from Arezzo:
Go through the E-78 (Bettolle-Siena)
Siena Tangential (junction Siena-Firenze)
Exit: "Siena Sud".
Go on indirection of "Porta Tufi" - "Porta Romana" (Str. Massetana Romana).
Crossroads "Zona Industriale Cerchiaia".