Italy by train

By the Viamo editorial team · Editor Terje Moy · Last updated July 2026 · 5 min read

Italy has a two-tier rail system that rewards anyone who takes the time to understand it: a fast, modern high-speed network linking the major cities with impressive speed, and a sprawling regional network that reaches the hilltowns, coastlines and corners that most tourists miss entirely. Both tiers have their quirks, and knowing how they fit together makes travelling Italy by train one of the great pleasures of European travel.

High-speed rail: Frecciarossa and Italo

Italy's high-speed lines are the backbone of long-distance travel. Trenitalia runs the Frecciarossa (Red Arrow) trains, which are the flagship service: fast, comfortable and covering the main Rome–Milan corridor in about 3 hours at top speeds. The same corridor is also served by Italo, the privately owned competitor launched in 2012 — one of the few examples in Europe of genuine head-to-head rail competition. Both operate smart, modern trains with first and economy class options.

Key high-speed journey times (approximate):

• Rome – Milan: about 3 hours (Frecciarossa non-stop) to 3h30 (with stops).
• Rome – Florence: about 1h30.
• Milan – Venice: about 2h15–2h30.
• Rome – Naples: about 1h10–1h20.
• Naples – Salerno: about 35–40 minutes.

Competition between Trenitalia and Italo keeps advance fares on these routes lower than you might expect. Both operators reward early booking significantly — fares rise as the departure approaches. Reservations are compulsory on all high-speed trains; a seat is always included in the ticket price. See also our comparison guide: Trenitalia vs Italo.

Intercity and regional trains

Below the high-speed tier, Trenitalia runs Intercity trains, which are slower and serve more intermediate stations — useful for towns the Frecciarossa bypasses. Reservations are required on Intercity trains as well. Below them again are the Regionale services, which require no reservation at all: you buy a ticket, stamp it in the machine on the platform (an essential step — unstamped tickets risk a fine), and board. Regional trains are slower and often older, but they are frequently the only way to reach smaller destinations, and fares are very affordable.

Note that regional rail varies substantially by quality across Italy. Services in the north (Lombardy, Veneto, Emilia-Romagna) tend to be more reliable and modern than in parts of the south, where delays are more common and carriages older. That said, southern regional rail is still a reasonable way to reach places like the Amalfi Coast hinterland, Calabria and the interior of Sicily.

Booking tickets

Trenitalia tickets can be bought at station ticket machines or counters, via the Trenitalia app, or through their website. Italo sells through italotreno.it or its app. Both accept European credit and debit cards. For regional trains, tickets are sold at station machines and sometimes at tobacconists (tabaccai) — useful in smaller towns without self-service machines. Always remember to validate regional tickets in the yellow or green machines before boarding; high-speed and Intercity tickets bought online are usually already activated electronically.

If you are planning an Eurail itinerary through Italy, note that high-speed trains require a paid reservation on top of the pass, and reservation slots are limited — book as early as you can.

The scenic routes

Italy has some of Europe's most beautiful rail journeys beyond the high-speed corridors. Among the highlights:

• Cinque Terre coastal line: The regional train threading through the Ligurian coast stops at all five villages and is the only realistic way to link them quickly. The line is busy in summer; an early start pays off.
• The Circumvesuviana: Naples to Sorrento via Pompeii — old, creaky, always crowded, but irreplaceable for the tourist circuit around the Bay of Naples.
• Aosta Valley trains: From Turin to Aosta through the alpine valleys, with a connection toward Mont Blanc.
• Palermo to Agrigento: A slow, scenic cross-island Sicilian journey through the interior and vineyards.
• Orvieto, Assisi, Spoleto: All served by regional trains from Florence or Rome, making day trips straightforward.

Night trains

Italy's domestic overnight network was cut back significantly in the 2010s, but ÖBB Nightjet has reintroduced international night connections, including Rome–Vienna and connecting services. Trenitalia also runs a handful of night trains connecting Sicily (via Messina ferry) with the mainland — the last surviving overnight train-ferry operation in Western Europe, and worth doing once for the experience. Domestic overnight services within Italy remain limited.

Rail passes for Italy

A dedicated Italy rail pass (available through Interrail for residents of Europe and Eurail for those from outside) covers unlimited travel on the national Trenitalia network and some regional operators. Given that advance high-speed fares can be very competitive and that Italo is not covered by the standard passes, a pass makes most sense for travellers who plan many shorter journeys and want flexibility without pre-booking every segment. For a structured itinerary with a set route, comparing pass cost plus reservation fees against point-to-point tickets is worth doing.

Practical tips

• Validate your ticket before boarding any regional train. Failure to do so risks a fine even with a valid purchased ticket.
• Arrive a few minutes early at stations: platform assignments appear on the departure board and can change. At busy stations like Milano Centrale, platforms are announced close to departure time.
• Left luggage (deposito bagagli) is available at main stations for a per-bag daily fee — essential if you want a light day trip without dragging bags around Florence or Rome.
• Trenitalia vs Italo pricing: Check both on the same date before buying. On popular routes the difference can be significant in either direction.

Frequently asked questions

Do I need to reserve a seat on Italian trains?

Yes for all Frecciarossa, Frecciabianca, Frecciargento and Italo high-speed trains, and for Intercity services. No reservation is needed for Regionale trains, but you must validate your ticket before boarding.

Is Italo or Trenitalia better?

Both operate fast, comfortable trains on the major routes. The best choice usually comes down to the fare on the day you want to travel. Italo is not covered by Interrail or Eurail passes; Trenitalia is. Our full comparison is at Trenitalia vs Italo.

Can I buy Italian train tickets on the day?

You can, but fares on high-speed trains rise as the departure approaches. Regional trains have flat fares available right up to departure. For Frecciarossa or Italo services, booking a few days ahead at minimum usually saves money.

Are rail passes good value in Italy?

Potentially, for flexible travellers making many journeys. For a set itinerary comparing pass plus reservation fees against individual advance tickets is wise, since high-speed advance fares can be very low when booked early.