Arriving from A1 (southbound), A24, A12, :
exit on G.R.A. direction Napoli, exit Via Casilina towards Frosinone
At Km 21 of Via Casilina left on Via Acqua Felice
Arriving from A1 (northbound):
exit Monte Porzio Catone, left on via Fontana Candida,
via Fontana Candida,
up to Via Casilina, make a right.
At Km 21 of Via Casilina, left on Via Acqua Felice