Rome's buses and trams go where the metro can't — deep into the historic center and across the neighborhoods the three metro lines miss. They're cheap, extensive, and run on the same ticket as the metro, but they intimidate visitors because there are no turnstiles, the routes can seem opaque, and they're at the mercy of Rome's traffic. None of that is hard once you know how the system works. This guide demystifies Rome's buses and trams: the useful lines, how to ride, and the honest pros and cons.
Why bother with buses and trams
The metro is fast but limited; buses and trams fill the gaps, especially in the historic center (which has barely any metro). They reach the Pantheon area, cross the river to Trastevere, run along the ancient sights, and connect neighborhoods directly. For some journeys — getting across the centro, or out to a spot the metro doesn't serve — a bus or tram is the only public option, and it's cheap. The trade-off is that they're subject to traffic, so they're often slower and less predictable than the metro.
The most useful lines for visitors
A handful of routes do most of the tourist heavy lifting:
- Tram 8 — the single most useful tram for visitors. Connects Trastevere to Piazza Venezia / Largo Argentina in the center — perfect for getting to and from Trastevere without the walk.
- Bus 40 and Bus 64 — the express-ish workhorses between Termini and the Vatican area, via the center (Largo Argentina). Fast and direct — but famously crowded and a notorious pickpocket route ("the Vatican express" / "the wallet-eater"), so ride with your bag firmly secured.
- Bus 62 — another Termini-to-Vatican-area option, often less mobbed than the 64.
- Tram 3 / Bus 3 — a long loop linking Trastevere, the Colosseum area, San Giovanni, and Villa Borghese — handy and scenic.
- Bus 87 / 81 — useful crosstown routes through the center past the Colosseum and Pantheon area.
- Night buses (the "N" lines) — fill in when the metro's closed, radiating from Termini and Piazza Venezia.
You don't need to memorize these — a maps app will route you — but knowing Tram 8 and the Vatican buses covers most needs.
A scenic bonus and the tourist bus question
Two extra things worth knowing. First, some regular bus and tram routes double as cheap sightseeing: riding Tram 8 across the river gives you a free glide through Trastevere's edge and past Largo Argentina's ruins, and Bus 87 or the Tram 3 loop pass a string of ancient sights — a normal-fare ride that happens to be scenic. Second, you'll see the open-top hop-on-hop-off tourist buses (the red double-deckers) circling the major sights. They're a different thing entirely from the public network: pricier, aimed squarely at tourists, with a fixed loop of big-ticket stops and audio commentary. They can be worth it for a first orientation or for visitors with limited mobility who want a sit-down overview, but for most people the cheap public buses/trams plus walking cover the same ground for a fraction of the cost. If you want the commentary-and-overview experience, the hop-on-hop-off has its place; if you just want to get somewhere, the regular network is far better value.
How to ride (the no-turnstile system)
This is what trips up visitors: you buy your ticket before boarding, then validate it onboard.
- Buy a ticket in advance — at tabacchi (tobacco shops), newsstands, metro stations, or machines. You generally cannot buy onboard (some buses have a machine, often broken — don't rely on it). Buy a few singles or a pass ahead of time.
- Board (any door, though front/rear is customary).
- Validate immediately — stamp your paper ticket in the small validation machine onboard (it timestamps it). On some newer vehicles you can tap a contactless card instead.
- Keep the validated ticket until you get off — inspectors board and check, and an unvalidated or unstamped ticket gets you the same fine as no ticket at all.
The same BIT single ticket (100 minutes, check current price) covers buses, trams, and one metro ride with free surface transfers in the window — so one ticket can chain a tram + bus journey. Day/multi-day passes work across all of them too.
Reading routes and stops
- At the stop, the sign (palina) lists the route number and all its stops in order — find your destination down the list to confirm direction.
- Use a maps app (Google Maps, Moovit, or the ATAC app) for live routing and arrival times — by far the easiest way to navigate the network.
- Press the button to request your stop, and note stops aren't always announced clearly — watch the map on your phone.
- Stops are request-based for some — signal the driver / press stop in good time.
The honest pros and cons
Pros: cheap, extensive, reach the center and everywhere the metro doesn't, run frequently on key routes, same ticket as the metro.
Cons: slow and unpredictable in traffic, can be crowded, the no-turnstile honor system confuses first-timers, some pickpocket-heavy routes (40/64), and stops/announcements aren't always obvious. For many central trips, walking is actually faster and more pleasant (the centro is compact) — use buses/trams for the longer hops or when you're tired.
The bottom line
Rome's buses and trams cover everywhere the metro misses — especially the historic center — on the same cheap ticket, with Tram 8 (Trastevere↔center) and the 40/64 buses (Termini↔Vatican) doing most of the tourist work. The key is the honor system: buy your ticket first, validate it onboard, and keep it. Use a maps app to navigate routes, guard your bag on the crowded Vatican buses, and remember that in the compact center, walking often beats waiting in traffic. Master the buy-then-validate rule and the whole network opens up.