Map projection: ETRS89-LAEA (EPSG:3035), projection center 10° E / 52° N.
This file was derived from: High Speed Railroad Map of Europe 2015.svg &amp;
Own work using:

Background
Geographical shapes from File:Europe laea location map.svg
Meridian and circles from File:Europe natural laea location map.jpgMultiple countries
Trans-European Transport Network (TEN-T):
Passenger railway map of Europe, core and comprehensive networks (updated Feb. 2019) (using exactly the same geographical projection as this map).
TEN-T corridors maps.
High Speed database &amp; maps on the International Union of Railways (UIC) website.
OpenStreetmap, transport layer: railways geographical paths (the geographical projection of the map is however different than this map, making the shapes a little different).
Railteam Alliance interactive network map.
European Transport Open data (Inspire Geoportal)
Maps of railway networks, bueker.net: very detailed maps of many railway networks with the type of tracks (single/double/electrified, etc.). Most of the maps are however not updated since 2010.
hochgeschwindigkeitszuege.com ("High-speed trains") : maps from ICE network but also from the routes taken by high-speed trains in The Netherlands, Belgium, France, United Kingdom, Austria, Italy, Spain, etc.
South-East Europe: File:Railway map of South East Europe.pngAustria
ÖBB Network mapBaltic states:
Rail BalticaLithuania
Map on the Lithuanian railways official website.
On Commons: File:Lithuania_Railways_System.svgLatvia:
On Commons: File:Latvia railways frequency of commuter trains 2016.svgBelgium
"The high-speed network", on the Infrabel website (archive).
Upgrade Gent-Brussels to 200 km/h : Belgian railway line 50A (NL)DenmarkFinland
official interactive map, with speeds.
PDF map.France
Nominal maximum speeds on SNCF Open Data.
SNCF réseau railway maps, including a nominal maximum speeds map (however this map warns that it is not the reference, the reference being the database mentioned above. For instance this map is missing the 200 km/h sections on the Paris - Clermont-Ferrand line, which are in the database)
map of the LGV Le Mans - RennesGermany
DB Netze interactive map : interactive network map from Deutsche Bahn netze, speed (Streckenmerkmale-&gt;Geschwindigkeit) can be selected and showed with colors on the map.
"Geo Strecke" ("geo route") on Deutsche Bahn Opendata: Deutsche Bahn railways data including all railway sections, geographical information, speed limits, etc. There is no graphical view but the strecken_polyline.dbf database file can be viewed with OpenOffice.
Lines under construction (new or upgrade):
Portal of the construction projects from the Deutsche Bahn
Nürnberg – Berlin Bauprojekte &amp; "Verkehrsprojekt Deutsche Einheit Nr. 8, Bahnmagistrale Nürnberg – Erfurt – Leipzig/Halle – Berlin" : construction of the Nuremberg–Erfurt high-speed railway, includes a new 300 km/h section Ebensfeld-Erfurt (VDE 8.2), completed in Dec. 2017, and an upgrading section Nürnberg-Ebensfeld (VDE 8.1) to 230 km/h, still under work as of November 2022.
POS Northern Branch: ABS Saarbrücken – Ludwigshafen, upgrade to 200km/h on the Mannheim–Saarbrücken railway, structural upgrade was completed in 2019 but the ETCS signaling which will allow operating speed of up to 200 km/h is expected to be in place by the end of 2025.
"Bahnprojekt Stuttgart–Ulm" on deutschebahn.com &amp; project website : new 250 km/h line Stuttgart-Ulm, expected completion in 2026, part of the Stuttgart–Augsburg new and upgraded railway project.
Berlin – Dresden, upgrade to 200 km/h of the Berlin–Dresden railway, an upgrade of 125 km to 200 km/h should be completed by the end of 2028, including 70 km already completed in 2020.
Karlsruhe – Basel : [1] : sites of the Karlsruhe–Basel high-speed railway, on which are currently under construction for speed up to 250 km/h part of the Karlsruhe–Rastatt section (sections 1.1 &amp; 1.2), planned completion in 2026, the remaining parts of the Basel-Buggingen section (sections 9.0, 9.2 &amp; 9.3), planned completion in 2025 (9.0) and 2028 (9.2 &amp; 9.3, which are not high-speed), while part of the Buggingen-Kenzingen section (section 8.4) is in "approved" status and will include upgrade to speed up to 250 km/h (sections 8.0 to 8.3 will be limited to 160 km/h), planned completion end of 2031.
Leipzig – Dresden, upgrade of the Leipzig–Dresden railway, construction in progress on the section Riesa–Dresden for speeds up to 200 km/h.
Bahn für Europa (Railways for Europe): includes an interactive map with all the European corridors and all the ongoing construction projects in Germany, plus links to the dedicated Deutsche Bahn websites.
On commons : File:ICE Network.png, File:ICEtracks.svg, File:Karte_IC-,_EC-_und_ICE-Strecken_Deutschland.png (these 3 maps are using a different geographical projections than the European map so the shape of Germany is slightly different), File:Bahn-Streckenkarte Deutschland-06-2010.png.Greece
Ergose website, ERGA OSE SA being the subsidiary of the Hellenic Railways Organisation (OSE) in charge of the railway projects (ERGA means "roadworks", "buiding projects", in Greek).Hungary and Serbia : Budapest - Beograd line upgrade to 200 km/h.Italy
Network maps
Naples - Bari high speed line official site
Brescia - Padova lines: Verona - Padova official site (doubling existing line) ; Brescia - Verona official site (new line) ; Status in 2022Norway
Map of the network
Follo Line (Oslo-Ski): Oslo-Ski new line (2016 presentation), planned completion 2021, delayed.Poland
On the Polish railways (PKP Polskie Linie Kolejowe) official website: maps (en English), maps (in Polish, more up-to-date). These maps include a map of the maximum speeds on the operated railway lines.
On the SISKOM website:
Railways in Poland, includes a map of modernizations and new lines by period (in Polish, file from 2009) and the Master plan for 2030 (2008) (See the network map of speeds for 2030, page 81).
Linie kolejowe dużych prędkości (High speed rail lines), includes linii dużych prędkości (High-speed lines), 2007 where on page 13 is a map of high-speed in Europe, existing (new or modernised) and projected lines for 2020.Portugal
Comboios de Portugal, network map
Infraestruturas de Portugal, Rede Ferroviaria (Infrastructures of Portugal, railway network)Russia
High-speed rail in Russia on the official Russian High-speed rail website (in Russian)
Prospects for the development of high speed movement in Russia on the RZD website (in Russian)
Press-release from RZD with map of the high-speed rail projects (2013) same map higher resolution
Official site of the Moscow-Kazan highspeed line (RU version with more info &amp; updates)
Various maps in the RZD annual reports: 2012, 2013, 2014, 2015
Map of the railway electrification in Russia in 2010
Detailed railway maps on the Transgarant website
Saint-Petersbourg - Moscow railway line (Железнодорожная линия Санкт-Петербург — Москва) : Russian Wikipedia article which indicates the speeds on this line.Spain
Spanish railway network map (ADIF)
WFS de la Red de Transporte Ferroviario de Adif (Spain transport Open data)
Network statements (Declaración sobre la red) (see the map "3 Map RFIG" on page 7 of the Maps of the General Interest Railway Network 2023 which shows the maximum speeds).Sweden
Sweden railway transport network design speed (open data): on geodata.se (with viewer) on dataportal.se on the European Inspire Geoportal (with viewer and legend)
Timetables and maps on the Sweden railways (Statens Järnvägar) website.
Underlag till linjebokSwitzerland
Network mapTurkey
Network map (but may not be updated frequently e.g. in August 2023 it still showed the line east from Ankara in purple meaning "under construction" when it should be orange "high speed")Ukraine
Ukrainian railways map on the Transgarant («Трансгарант») website from the Fesco group.
Украинские железные дороги, Программа внедрения скоростного движения поездов (Ukrainian Railways, Program for the introduction of high-speed train traffic) (in Russian)United Kingdom
Rail speed maps in the United Kingdom can be found on the NetworkRail website, there is one map for each of the 8 routes (regions), in PDF documents called "Network Specification": Anglia (PDF), LNE and East Midlands(PDF), LNW(PDF), Scotland(PDF), South-East (PDF) , Wales(PDF), Wessex(PDF), Western(PDF).
"Route plans" on NetworkRail archives
See also the HS1 website for the High-Speed 1.
General maps can be found on the National Rail website.And many other sources including other articles from Wikipedia and their sources.
Original PNG : User:Bernese media, User:BIL 2011 SVG version: User:Akwa and others (see the history &amp; the source file)