The validation rule that catches thousands of tourists every year — and the €50 fine that comes with it.
Plan your Italy trip →If you have a paper ticket for a regional train (regionale or regionale veloce), you MUST validate (stamp) it before boarding. This means inserting it into the small green or yellow machines located on the platforms. The machine stamps the date and time. Without the stamp, your ticket is invalid — even if you paid for it. Fine: €50 on the spot.
Electronic tickets (from the app, with a QR code): Never need validation. The QR code is your validation.
High-speed trains (Frecciarossa, Frecciargento, Italo): These have assigned seats and specific departure times. No validation needed.
Tickets with a specific date and time printed on them: Already validated by being time-specific.
Paper tickets for regional trains bought at the counter or ticket machine. These are "open" tickets valid for a certain period (usually 4 hours from validation). You choose when to travel by stamping them. No stamp = the 4-hour window never started = technically unused ticket = fine.
Small rectangular machines mounted on posts or walls at the start of each platform. Green in newer stations, yellow in older ones. Insert the ticket short-end first. You'll hear a click and see a date/time stamp on the ticket. If the machine is broken (common), find another one or write the date and time by hand on the ticket and explain to the conductor.
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