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 but we cannot follow all disruptions. Feel free to post your questions on r/Interrail too.
[last edit : 17th September 2025]
Austria
Arlberg (Switzerland/Western Austria – Innsbruck)
6th October – 2nd November 2025: trains replaced by buses between Sargans/Feldkirch and Ötztal. EC Zurich – Graz and NJ rerouted through Germany.
For more: https://www.oebb.at/de/fahrplan/baustelleninformation
NIGHTJET
NightJet services from Munich & Vienna to Florence & Rome cancelled from 29.09.2025 to 13.12.2025. Services from Munich & Vienna to La Spezia operate as far as Milan only.
AUSTRIA/CZECHIA
Nothing major at the moment.
AUSTRIA/ITALY
See Austria above for Nightjet disruptions.
AUSTRIA/SLOVAKIA
(Vienna -) Marchegg – Bratislava
One of the 2 railways linking Vienna and Bratislava closed until 10th October 2025 for maintenance and electrification. Trains 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).
- (4-5th October to be confirmed)
AUSTRIA/SWITZERLAND
Nothing at the moment. See above for Arlberg closures.
Belgium
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
For more info: https://www.bane.dk/-/media/Bane/Dokumenter/Jernbanevirksomhed/Netredegoerelse/2025/Bilag/3_5A-Kapacitetsrestriktioner-i-K25.pdf
For more: https://www.dsb.dk/trafikinformation/
https://www.snalltaget.se/en/traffic-information
Finland
Haparanda – Tornio
The works on the cross-border railway have been completed but trains will not run until 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)
This beautiful line is undertaking major maintenance works until 15th December 2025. Replacement buses run between Drap and Breil.
https://www.ter.sncf.com/sud-provence-alpes-cote-d-azur/se-deplacer/info-trafic/travaux/fermeture-nice-breil
For more: https://www.sncf-voyageurs.com/fr/voyagez-avec-nous/horaires-et-itineraires/informations-trafic/gl/
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
Lyon – Turin (Paris – Milan)
Engineering works are planned on the Italian side of the line.
- 4-6th October
- 8-10th November (tbc)
Replacement buses are running between Bardonecchia and Bussoleno but this is not particularly convenient for international travellers.
Alternative routes include:
- Paris – Zurich/Geneva/Lausanne – Milan
- Paris – Nice – Ventimiglia – Milan
- Paris – Lyon – Flixbus to Turin
Germany
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.
Berlin – Leipzig – Erfurt – Munich
- 24th September – 13rd December: line closed between Leipzig and Berlin (Anhalter-Bahn). ICEs rerouted (+45-60 min travel time).
Stuttgart-Zurich (Gäubahn)
- 26th July – 5th September: closure of the Stuttgart tunnel. Some ICs start/terminate in Vaihingen -> buses and U-Bahn available. Plan extra time.
Karlsruhe – Konstanz (Schwarzwaldbahn)
13rd September – 17th October, 15th November – 12th December: line closed between Villingen and Donaueschingen. Buses running between Villingen and Engen.
(1-5th, 22-27th October), 3rd November: line closed between Hornberg and Triberg.
Stuttgart – Munich
- 14-30th September: line closure between Ulm and Augsburg. ICEs are rerouted (+60-90 min travel time).
- 13th January – 6th February 2026: Ulm station closed. Expect diverted long-distance trains.
Karlsruhe – Freiburg – Basel
- 4-5th October: full closure south of Freiburg. Hourly replacement buses. Times to be published.
- 4-9th October: Karlsruhe – Durmersheim – Rastatt closed, divertions through Ettlingen.
Cologne – Bonn-Beuel – Koblenz (rechte Rheinstrecke/right-bank Rhine route)
- weekend closures: 20-21st September, 8-9th, 15-16th, 22-23rd, 29-30th November
Other important works or disruptions in Germany
https://www.bahn.de/service/fahrplaene/bauarbeiten
https://karte.bahn.de/region/DB_Fernverkehr
https://strecken-info.de
https://www.zuginfo.nrw/index.html
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)
- 15-18th November: full closure between Rosenheim and Salzburg. Expect the usual divertions (Zell am See and Passau).
GERMANY/BELGIUM
Köln (Cologne) – Aachen
- 8-12th December: full closure. Expect divertions through Mönchengladbach (45-60 min longer travel time).
GErmany/Czechia
Dresden-Prague
The mainline is closed on various dates. Buses running between Dresden and Usti:
- 20-26th September (8am-7pm)
- 28th October – 6th November: night train from/to Zurich cancelled. European Sleeper might run as far as Berlin or Dresden (unknown).
- 3-10th December: night train from/to Zurich cancelled.
Munich-Prague
- 11-30th October: full closure between Regensburg and Schwandorf. Replacement buses running, allow extra travel time.
Germany/Denmark
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.
- 20th October – 2nd November
- 6-7th December
GErmany/Poland
Berlin – Frankfurt (Oder)
Full closure on the following dates:
- 20-21st October
- 8-9th November
Direct buses running between Berlin Hbf and Frankfurt (Oder). Regional buses between Erkner and Fürstenwalde.
18-23rd October: closure across the Oder river too. Expect buses to Rzepin.
Hungary
HUNGARY/SLOVENIA
Budapest – Ljubljana (Citadella)
Partial bus replacement until further notice:
– Budapest <-> Őriszentpéter from 1st July to at least 13th December 2025 (4h journey)
Connections are guaranteed. For more: https://potniski.sz.si/en/rail-replacement-buses-in-hungary-from-11-december-2024-onwards-for-international-trains-246-and-247
Budapest – Zagreb (Agram)
14th-30th September – trains on this route will be replaced by buses between Gyékényes and Koprivnica. Timetables have been changed to accommodate the extra running time of the bus and connections will be held. Note when traveling in the Zagreb to Budapest direction an additional change of train is required at Balatonszentgyörgy.
More information: https://www.mavcsoport.hu/sites/default/files/upload/line-lock/tajekoztato_244-79_gyekenyes-kroprivnica_a4_250914-29_0.pdf
Italy
Simplon (Domodossola – Milan)
Next full closures in 2025:
- 4-5th October
- 11-12th October
- 8-9th November
- 20-21st December
Direct buses between Domodossola and Milan run: 2h20 travel time incl. significant margin. Regional replacement buses as well. More details in the Trenord links further down.
In addition, throughout the year weekday 10am-3pm closures with less EC and regional trains. 2 buses Arona -> Domodossola, 1 back.
Milan – Tirano
Closures between Lecco and Tirano/Chiavenna. Upgrading works for the 2026 Olympics. Buses run connecting to the trains.
Some 72h smaller closures as well throughout the year:
- 26-28th September
- 10-12th October (Lecco-Colico)
- 14-16th November (Lecco-Colico)
- 19-21st December (Morbegno-Tirano)
Bologna – Prato (Florence)
29th September – 14th December: classic line closed, not the high-speed line. Some buses running, otherwise rely on the frequent high-speed trains. Night trains rerouted.
Verona – Vicenza (- Venice)
22-23rd November: weekend 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
https://www.trenord.it/news/cantieri/area-nord-ovest
https://www.trenord.it/news/cantieri/area-nord-est/
https://www.trenord.it/news/cantieri/area-sud-est/
https://www.trenord.it/news/cantieri/area-sud-ovest/
Luxembourg
Luxembourg-Bettembourg
See: https://www.cfl.lu/fr-fr/works
The Netherlands
Brussels – Amsterdam
Engineering works are taking place on multiple weekends between Amsterdam and Brussels. Expect longer travel times. Tickets may be released later than usual.
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.
For more: mostly follow the SBB app. Some press releases are also available on https://news.sbb.ch/medien/kategorie/3473/mitteilungen
SWITZERLAND/FRANCE
Basel – Saint-Louis/Mulhouse
- all October weekends: line closed. Passengers asked to use tram 1 and 3 between Basel and Saint-Louis. TGV passengers will take buses between Basel and Mulhouse.
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/