Line A (Red): Ottaviano to Anagnina

Your main tourist line. Hits Vatican (Ottaviano), Spanish Steps (Spagna), Termini, San Giovanni. Runs 5:30am-11:30pm weekdays, 1:30am Friday/Saturday. Most crowded but most useful.

Line B (Blue): Laurentina to Rebibbia/Conca d'Oro

Cavour stop for easy forum access. Also hits Termini, EUR district. Same hours as Line A. Less crowded except around major sites.

Line C (Green): San Giovanni to Pantano

Newest line with Colosseo station under construction. Useful for San Giovanni transfer only. Limited Sunday service.

Night Service

Friday/Saturday nights buses N1, N2, N3 replace metro service with similar routes. Every 30 minutes, €1.50 standard ticket works.

Strike Days

Check atac.roma.it before traveling. Strikes typically announced 5 days in advance. Guaranteed service 5:30-8:30am and 5:30-8:30pm even during strikes.