Contents
As you might have noticed, this year will see plenty of engineering works and disruptions, including on major railways. Here is a (non-exhaustive) list, it will be updated regularly. Feel free to post your questions on r/Interrail too.
[last edit : 13th February 2025]
Austria
Arlberg (Switzerland/Western Austria – Innsbruck)
Trains are replaced by buses between Sargans/Feldkirch and Ötztal between 24-29th April and 6th October – 2nd November 2025.
Tauerntunnel (Schwarzach – Villach)
Until 13th July 2025: Tauern Tunnel fully closed for maintenance. Long-distance buses run hourly between Bischofshofen and Spittal-Millstättersee. Night trains are either rerouted or cancelled.
- NJ 294 / 295 Munich – Rome cancelled
- NJ 40295 / 40235 Munich – La Spezia cancelled
- NJ 236 / 237 Stuttgart – Venice cancelled
- NJ 40466 / 40236 Vienna – Venice: stop in Salzburg cancelled
- NJ 464 / 465 Graz – Zurich is rerouted
- EN 40414 / 40465 Zagreb – Zurich runs via Graz and Spielfeld-Straß (no stop in Ljubljana and Villach)
- EN 40237 / 414 Zagreb – Stuttgart runs via Graz and Spielfeld-Straß (no stop in Ljubljana and Villach)
For more: https://www.oebb.at/de/fahrplan/baustelleninformation
AUSTRIA/CZECHIA
Nothing major at the moment.
AUSTRIA/ITALY
See Austria above for the Nightjet disruptions.
Innsbruck – Brenner (- Verona)
11-18th August: full closure. Limited replacement bus service due to works on the highway. 2 RJ trains/direction rerouted via Tauern and Tarvisio. For more details:
https://www.oebb.at/de/fahrplan/baustelleninformation/brennersperre
Alternatively look at Flixbus or other railways (Tauern, Gotthard). The Italian side is also closed in the same time frame, more under Italy.
AUSTRIA/SLOVAKIA
(Vienna -) Marchegg – Bratislava
One of the 2 railways linking Vienna and Bratislava is closed until 5th July for maintenance and electrification. Trains are running via Kittsee.
https://www.oebb.at/de/fahrplan/baustelleninformation/wien-marchegg-bratislava
AUSTRIA/SLOVENIA
Villach – Jesenice
Closure on the following dates. Buses running. Night trains already rerouted with the Tauern closure (see above).
- 5-6th April
- 26-27th April
- 4-5th October
Zagreb – Zurich/Stuttgart EN
Due to construction work, the trains EN 414 and EN 40414 cannot operate between Zagreb Glavni kolodvor and Zürich HB/Stuttgart Hbf from 16 to 17/04/2025 through 28 to 29/04/2025.
The trains EN 40237 and EN 40465 cannot operate between Zürich HB/Stuttgart Hbf and Zagreb Glavni kolodvor from 17 to 18/04/2025 through 29 to 30/04/2025.
AUSTRIA/SWITZERLAND
Nothing at the moment. See above for Arlberg closures.
Belgium
Brussels-France HSL
16-31st August: the high-speed line is closed for maintenance. Trains are rerouted. Less capacity from/to Paris.
For more: https://www.belgiantrain.be/en/travel-info/current/ongoing-disturbances-and-works/ongoing-works
https://www.belgiantrain.be/fr/travel-info/train-network-travel-info/overview-2025
Czechia
For more: https://www.cd.cz/jizdni-rad/omezeni-provozu/ (note that even minor delays/disruptions are included)
https://grapp.spravazeleznic.cz
Denmark
Padborg – Copenhagen
The mainline between Germany, Copenhagen and Sweden is closed various times in various places: 17-21st April (Easter), 22-27th April (nighttime), 12-20th July.
Easter closure: Neumünster – Tinglev and Fredericia – Odense. Buses running:
- Neumünster <-> Flensburg: hourly
- Flensburg <-> Tinglev: every 2 hours
- Fredericia <-> Odense: every 30 min
- Hamburg <-> Odense: hourly
- Hamburg <-> Tinglev: every 2 hours
- Malmö -> Berlin: 15:15 – 23:00 (Snälltåget 15-21st April)
- Berlin -> Malmö: 08:00 – 15:45 (Snälltåget 16-22nd April)
Other closures: tbd.
For more info:
For more: https://www.dsb.dk/trafikinformation/
https://www.snalltaget.se/en/traffic-information
Finland
Haparanda – Tornio
The cross-border railway is completed but trains will not run until late 2025/early 2026.
For more: https://www.vr.fi/en/on-track/planned-track-work
Real-time info: https://www.vr.fi/en/on-track/traffic-news
France
Ligne des Merveilles (Nice – Breil-sur-Roya)
That beautiful line is undertaking major maintenance works until 15th December 2025. Replacement buses run between Drap and Breil.
For more: https://www.ter.sncf.com/auvergne-rhone-alpes/se-deplacer/info-trafic/travaux
https://www.ter.sncf.com/bourgogne-franche-comte/se-deplacer/info-trafic/travaux etc.
Similar pages exist for all regions, no nationwide (useful) page.
FRANCE/ITALY
Fréjus Rail Tunnel/Vallée de la Maurienne (Lyon – Turin)
Rail traffic is totally interrupted until 30th March between Saint-Michel-Valloire and Modane due to a landslide in France. There is a daily TGV high-speed train between Paris and Milan with bus replacement in the middle :
- TGV Paris Gare de Lyon – Milano Porta Garibaldi 14:48 – 23:10
- TGV Milano Porta Garibaldi – Paris Gare de Lyon 14:05 – 23:14
Some replacement buses run between Saint-Michel-Valloire and Modane. The only other link crossing the border is this bus : https://www.valfrejus.com/commerce-et-service/navette-modane-bardonecchia-modane/ (PDF).
As alternatives consider the route via Nice, Geneva (subject to the Simplon disruptions) or even Zurich/Gotthard. Flixbus also runs multiple services a day between Lyon and Turin (sometimes stopping in Chambéry).
Germany
Mannheim-Stuttgart
17th April – 6th June: urgent maintenance works on the high-speed line. Rerouted ICEs = 45 min extra travel time. Updated times on the planners.
Hamburg-Berlin
2nd August 2025 – April 2026: full closure, one of the Generalsanierungen projects. ICEs rerouted via Uelzen = 45-60 min longer/50% usual service.
Stuttgart-Zurich (Gäubahn)
20th June – 25th July: line closed between Eutingen and Horb. Buses running.
26th July – 5th September: closure of the Stuttgart tunnel. ICs start/terminate in Vaihingen -> buses and U-Bahn available. Plan extra time.
Munich-Berlin
12-20th April: Bamberg-Nürnberg closed. Hourly ICE rerouted via Würzburg = +90-120 min travel time.
Karlsruhe – Basel
19-27th April: Karlsruhe/Baden-Baden – Offenburg – Freiburg closed. Buses running:
- Freiburg <-> Baden-Baden: hourly
- Freiburg <-> Karlsruhe: hourly (only 23rd April)
DB Navigator is continuously updated. Regional buses still missing. Night trains should be rerouted via Schaffhausen?
Kassel – Fulda
18-24th April: the high-speed line is closed. Trains are rerouted via alternative lines (Bebra, Marburg, Erfurt)
Fulda – Frankfurt
18th April – 1st May: line closed. Expect diversions (+45-60 min travel time) via Marburg and Lohr/Gemünden.
Other important works or disruptions in Germany
https://www.bahn.de/service/fahrplaene/bauarbeiten
https://karte.bahn.de/region/DB_Fernverkehr
Use the DB Navigator app. Timetables are generally correct or at least there’s an advance notice. Regional train timetables are usually adapted later.
GERMANY/AUSTRIA
Deutsches Eck (Munich/Innsbruck – Salzburg)
Nothing at the moment.
GErmany/Czechia
Dresden-Prague
The mainline is closed on various dates. Buses running between Dresden and Usti:
- dates to come
Germany/Denmark
Hamburg – Flensburg/Padborg
18-21st April: full closure. Buses running:
- Neumünster <-> Flensburg: hourly
- Flensburg <-> Tinglev: every 2 hours
- Fredericia <-> Odense: every 30 min
- Hamburg <-> Odense: hourly
For more info regarding long-distance trains, see Denmark.
GERMANy/Netherlands
Arnhem – Emmerich – Oberhausen
That line is upgraded until 2026. Frequent full closures. RE19 replaced by buses, ICEs rerouted via Venlo/M’gladbach.
- 22nd February – 2nd March
- 12-27th April
- 10-11th May
- 14-15th June
- 28th June – 24th August
- 20th October – 2nd November
- 6-7th December
GErmany/Poland
Berlin – Frankfurt (Oder)
22-23rd February/12-13th and 19-20th April: full closure. Direct buses running.
Hungary
Budapest – Ljubljana (Citadella)
There is a replacement bus running between Budapest and Zalaegerszeg until June 2025. Connections are guaranteed.
Italy
Simplon (Domodossola – Milan)
Next full closures in 2025:
- 9th March
- 5-6th April
- 26-27th April
- 1-4th May
- 25th May
- 8th June – 27th July
- 30th August – 13th September
Direct buses between Domodossola and Milan run: 2h20 travel time incl. significant margin. Regional replacement buses as well.
In addition, usual weekday 10am-3pm closures with less EC and regional trains. 2 buses Arona -> Domodossola, 1 back.
Milan – Tirano
15th June – 14th September: full closure between Lecco and Tirano. Upgrading works for the 2026 Olympics. Buses run connecting to the trains.
Some 72h closures as well throughout the year:
- 21-23rd February
- 14-16th March
- 11-13th April
- 9-11th May
- 6-8th June
- 26-28th September
- 10-12th October
- 14-16th November
Milan – Genova
21th July – 29th August: the bridge over the Po is under maintenance. Full closure. More details available in the coming months.
Milan – Bologna HSL
11-17th August: the high-speed line closed for maintenance works. Trains rerouted via the classic mainline, expect 60 min longer travel time.
Bologna – Prato (Florence)
29th September – 14th December: the classic line, not the high-speed line, closed. Some buses running, otherwise rely on the frequent high-speed trains. Night trains rerouted.
Verona – Brenner
12-18th August: the major mainline is fully closed. Expect some replacement buses but also look at Flixbus and alternative routes (Tauern, Gotthard). 2 daily RJ/direction rerouted. The Austrian side is also closed, see under Austria.
Verona – Vicenza (- Venice)
8-9th March, 26-27th April, 22-23rd November: weekend closures.
5-25th August: full closure. Long-distance trains rerouted via the Bologna bypass, regional services via Cerea – Legnago.
Brescia – Verona
Works on connecting the high-speed line to the classic line. Weekend closures:
- 4-5th October
- 18-19th October
- 1-2nd November
- 15-16th November
- 29-30th November
- 6-7th December
Catania – Siracusa
1st September – 30th November: full closure. Augusta bypass works.
For more: https://www.trenitalia.com/it/informazioni/Infomobilita/notizie-infomobilita.html
https://www.rfi.it/it/rete/i-nostri-progetti/principali-interventi-lavori-programmati.html
Luxembourg
Luxembourg-Bettembourg
Closure on most weekends as well as between 5-21st April + 16th July – 14th September 2025. Very frequent buses running, simply plan enough margin.
For more: https://www.cfl.lu/fr-fr/works
The Netherlands
Planned engineering works: https://www.ns.nl/reisinformatie/werk-aan-het-spoor/
Live information on disruptions: https://www.ns.nl/reisinformatie/actuele-situatie-op-het-spoor/
Norway
https://www.vy.no/en/traffic-and-routes/engineering-works-summer
https://www.vy.no/en/traffic-and-routes/traffic-info-for-train-and-bus
Slovenia
For more: https://potniski.sz.si/en/help-and-travel-updates/#rail-replacement-buses
Spain
About works: https://www.renfe.com/es/es/grupo-renfe/comunicacion/renfe-al-dia/avisos
Catalonia: https://rodalies.gencat.cat/es/alteracions_del_servei/afeccions_programades/
Sweden
For more: https://www.trafikverket.se/trafikinformation/tagkarta/ and https://www.trafikverket.se/trafikinformation/tag/
Switzerland
Laufental (Laufen-Aesch)
28th April – 28th September: closure for double-tracking. Buses every 15 min. Travellers between Basel and Romandie go via Olten.
Fribourg-Bern
28th June – 24th August: mainline closed, replacement buses running half-hourly. Travellers are asked to travel via Biel/Bienne-Neuchâtel.
For more: mostly follow the SBB app. Some press releases are also available on https://news.sbb.ch/medien/kategorie/3473/mitteilungen
Turkey
Mersin – Yenice Branch Line
The line between Mersin and Yenice is being shut down starting from April 22, 2024 for a minimum of 24 months as part of HSR construction. During this time, the Mersin – Adana regionals will not run. The Mersin – İskenderun regionals will probably terminate at Yenice, but this is not confirmed as of April 5, 2024. No sleeper or mainline services seem to be affected at this time. TCDD will not offer any rail replacement services. Travelers wishing to visit or otherwise go to Mersin should take a bus to/from Yenice or Adana.
United Kingdom
For more: https://www.nationalrail.co.uk/status-and-disruptions/