Standard tickets (BIT) for buses, trams, and metro are valid for75 minutes from time of stamping. The BIT ticket allowsunlimited transfers on buses and trams, but only one transferon the metro (e.g., between lines A and B). Single-ride ticketsare $1.25. Daily tickets (BIG) cost $5 and are valid for 24 hoursof unlimited travel from time of stamping. Three-day touristtickets (BTI) cost $14 and are valid until midnight on the thirdday of use. Weekly tickets (CIS) cost $20 and are valid for unlimited Three-hour general orientation tours that are educational andentertaining. For example, a tour might mix smart tips for making Via del Biscione 76, 011-39/06-6880-6873, solealbiscione.it PARIOLI THE VATICAN & PRATI 011-39/06-6992-4555, casahoward.com Piazza di Firenze 28 (at Via dei Prefetti), 011-39/06-683-2630, You could live around the corner for years and never think toeat here, but this is a real standout amid the casual trattoriasjust north of Largo Argentina. Consistently delicious Romandishes, such as bucatini all�amatriciana (zesty tomato andpancetta pasta) and fiori di zucca (stuffed zucchini blossoms) areserved in a rustic and homey atmosphere. Closed Mon.