* Southbound A1 MOTORWAY (from FLORENCE): EXIT ROMA NORD
Follow link road, exit at Settebagni, continue to end of Via Salaria then turn right into Via Olimpica towards St. Peter's
* Northbound A1 MOTORWAY: EXIT ROMA SUD
Take Raccordo Anulare ring road to exit no. 1 (Aurelio), take Via Aurelia as far a Piazza Imerio, then take Mura Vaticane