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You just realised how complicated European rail can be

Sam is your AI assistant for European rail. Get instant answers and build a complete trip plan in minutes.

Covering Europe's Major Rail Operators

European rail planning is complicated

33 countries, hundreds of operators, and a maze of reservation rules. Sam knows them all.

Reservations

Same trip. Five different rules.

TGV Lyria MANDATORY €29
Railjet OPTIONAL €3
Nightjet sleeper MANDATORY €79
Eurostar MANDATORY €30
ICE (DB) QUOTA €0–€?

Routes

Brussels → Prague, the only way.

Brussels Antwerp Rotterdam Amsterdam Berlin Dresden Prague

6

Changes

4

Operators

3

Countries

Pass rules

"Valid" comes with footnotes.

  • Railjet — no reservation needed
  • ! TGV — valid, but pay €10–€29 supplement
  • ! Eurostar — limited pass quota, sells out
  • Spanish AVE — tiny quota, often unavailable
  • Home country — only one outbound + one inbound trip

The research rabbit hole

Six tabs. Three answers. None agree.

r/eurail · 247 comments

Do I need a reservation for Nightjet?

posted 4 years ago · 38 conflicting replies

therailenthusiast.eu

The 7 things nobody tells you about passes

last updated: March 2019

forumtrain.net · 2,341 views

Italian reservation rules — confused

12 replies · "it depends" × 8

Ask any rail travel question

Reservations, routes, pass rules, scenic options — Sam answers in seconds.

Reservation help

Which trains need a booking, and what it costs.

Route options

The fastest, most scenic, or best value route.

Ask Sam now Free to try
Instant answers
JS
Do I need a reservation for the Nightjet from Vienna to Venice?
Conductor Sam Avatar

Yes — Nightjet sleepers require reservations.

Expect €24–€79 depending on couchette vs. sleeper. If you'd rather skip it, take a daytime Railjet via Salzburg with no mandatory reservation.

Turn answers into a complete trip

From your first question to the platform on day fourteen — Sam plans the route, compares the fares, books the tickets, and stays with you while you travel.

Step 1 — Plan

Build an itinerary that actually works

Add cities and nights; Sam checks every leg, reservation, and connection in one place.

  • Destinations

    Add cities and nights; Sam checks each stop is feasible.

  • Reservation guidance

    Where and when to book your seats.

  • Export

    Share with travel companions or export to PDF.

Itinerary

Grand European Tour

Verified

Paris → Zurich

TGV Lyria • Reservation required (€9)

Zurich → Vienna

Nightjet sleeper • Private cabin available

Vienna → Venice

Railjet • No reservation needed

Sam's review

Minimises travel time while including the scenic Arlberg Pass. Nightjet availability looks good for your dates.

Step 2 — Compare

Pass or point-to-point — Sam does the maths

Sam prices every leg against the relevant rail passes, factors in reservation supplements, and shows you which option actually saves money on your dates.

  • Live fare data

    Real ticket prices for your travel dates, not averages.

  • Reservation supplements included

    The hidden costs that make a "cheap" pass expensive.

  • Discounts applied automatically

    Youth, senior, family — Sam checks every fare you qualify for.

Fare comparison

3 legs • 1 adult

Save €87

Interrail Global Pass

€289

4 days in 1 month + €27 reservations

Recommended for this trip

Point-to-point tickets

€376

Paris–Zurich €89 · Zurich–Vienna €179 · Vienna–Venice €108

Eurail Select (4 countries)

€312

Includes reservations on TGV Lyria + Nightjet

Step 3 — Book

Buy tickets and reservations in one place

When you're ready, purchase every leg — pass, point-to-point tickets, seat reservations, and sleeper berths — without bouncing between operator websites.

  • One checkout, every operator

    SNCF, ÖBB, Trenitalia, SBB and 30+ more — pay once.

  • Tickets straight to your inbox

    Mobile-ready PDFs, attached to the right leg of your trip.

  • Sell-out alerts

    Sam pings you before reservations open for Nightjets, Eurostars and other limited trains.

Checkout

3 items

Interrail Global Pass

4 days in 1 month · Adult 2nd class

€289

TGV Lyria reservation

Paris → Zurich · 14 Jun · Coach 4, Seat 21

€9

Nightjet sleeper

Zurich → Vienna · 16 Jun · Private cabin

€169

Total

€467

Step 4 — Travel

Real-time help while you're on the move

When a strike hits, a connection is cancelled, or you just want to add a day in Lucerne — Sam adjusts your plan on the fly and rebooks what needs rebooking.

  • Live disruption rerouting

    Cancelled train? Sam finds the next workable connection in seconds.

  • Change plans mid-trip

    Add a stop, skip a city, extend a night — your itinerary updates everywhere.

  • Answers, on the platform

    Which platform? Is luggage storage open? Can I bring my bike? Just ask.

Day 6 · Zurich Hauptbahnhof

14:22

Y
My connection to Vienna was cancelled. What now?
Conductor Sam Avatar

Try a new route via Salzburg.

Zurich → Salzburg → Vienna on the 15:40 Railjet gets you in by 22:05 — no reservation needed. I've updated your itinerary.

Built by travellers, for travellers

Trained on real journeys, tested against real scenarios.

350+

Journeys planned

Real itineraries planned and verified across 33 European countries.

1,000+

Scenarios tested

Unique rail scenarios and edge cases stress-tested before release.

33

Countries covered

Every Eurail/Interrail country, with operator-specific reservation rules baked in.

A human expert when it gets complicated

For complex itineraries, our rail experts can review your plan, confirm reservations, and check every connection is realistic.

Expert validation

Every leg, timing window, and pass rule checked.

Reservation strategy

When to book, which seats to choose, how to avoid sell-outs.

Backup routes

Alternatives if a train is delayed or cancelled.

"We cut eight hours of rail-pass research down to 20 minutes."

Sam stitched the reservation rules, backup routes, and the best night train option together before we finished dinner.

— Leah, Berlin

Credit packs for every journey

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FAQ

Common questions

How is Sam different from ChatGPT?
Rail travel is our specialty. Sam was trained specifically on European rail pass rules, live fare data, and reservation requirements across 30+ operators, and tested with 1,000+ real scenarios. Generic AI often hallucinates rail details — Sam was built to get them right.
Can Sam plan a whole trip, not just answer questions?
Yes. Sam takes you from question to platform in four steps: build the itinerary, compare pass vs. point-to-point fares, book tickets and reservations in one checkout, then help you adjust on the move when strikes or cancellations hit.
How does pricing work?
There's no subscription. Buy a credit pack and spend credits on planning, fare comparison, bookings, and expert answers. Free to try — you only pay when you need more.
What if my trip is too complex for AI alone?
Our concierge service puts a human rail expert on your plan. They validate every leg, recommend a reservation strategy, and prepare backup routes for the legs most likely to be disrupted.
Can Sam actually save me money?
Sam prices every leg against your pass options including reservation supplements, and applies youth, senior and family discounts automatically — so you can see whether a pass actually beats point-to-point tickets on your dates.
Does this work for both Eurail and Interrail passes?
Yes. Sam understands the differences in pass rules, home-country trips and reservation quotas, and tailors advice to your specific pass.
What if I need help while travelling?
Sam is available 24/7. When a connection is cancelled or you want to add a stop, Sam reroutes on the fly, rebooks what needs rebooking, and answers platform-level questions like luggage storage and bike policies.

Ready to plan your European rail adventure?

Stop bouncing between forums and timetables.

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