| Country | Tunnel | Length | Date of opening | Line / Notes | 
| Austria - Italy |  Basis Brenner | 56 000 m | PRJ | Brenner
        line, 2 tubes  Information (pdf) | 
| France - Italy |  Basis Mont d'Ambin | 52 110 m | 2015 | Pilot tunnel 2001, works will start in 2006 from St.Jean de Maurienne (F) to Bruzolo (I) | 
| Marocco - Spain |  Gibraltar | 38 700 m | After 2010 | Subsea length: 27.75 km | 
| Austria |  Koralm | 32 800 m | After 2010 | New planned line Graz - KlagenfurtSp | 
| Spain |  Pajares Base | 24 667 m | 2010 | Le�n -
        Oviedo project. 2 tubes  pdf | 
| Austria |  Lainzer - Wienerwald | 22 791 m | 2012-2015 |  Wien - St. P�lten (Two connected
        tunnels) | 
| France |  Belledonne | 20 000 m | 2012-15 | Lyon - Torino project | 
| France |  La Grande Chartreuse | 20 000 m | 2012-15 | Lyon - Torino project. Freight only, Chambery bypass | 
| Greece | Lianokladi - Domokos | 20 000 m | PRJ | Base tunnel | 
| Switzerland |  Zimmerberg-Base | 19 700 m | 2013 | Planned elongation of tunnel Z�rich - Zalwil (9400 m) | 
| Austria | Semmering basis | 19 200 m | Under construction, stopped | |
| Australia | Civ 4 | 15 000 m | PRJ | Parramatta - Chatswood line, tender early 2001 | 
| Switzerland |  Ceneri-Basis | 15 000 m | 2015 | |
| Croatia | Cicarija | 14 300 m | Planned on Rijeka - Istria line | |
| Finland |  Savio | 13 500 m | 2008 | Northern freight access for Yuosaaren harbour project | 
| Turkey |  Bosporus | 13 300 m | 2006+ | Subsea tunnel, 1800 m immersed part | 
| Italy | Bussoleno bypass | 12 050 m | 2015 | Torino - Lione. Pilot tunnel 2001 | 
| India | Jammu - Udhapur | 12 000 m | 2007 | On 35 km link in Kashmir | 
| France | Epine II | 12 000 m | 2012-15 | On high speed line to Chambery | 
| France | Paris - CDG | 10 800 m | 2011 | Paris Gare de l'Est - CDG Airport fast link project | 
| China (Taiwan) | New Kuanying | 10 300 m | ||
| Australia | Civ 1 | 9 800 m | PRJ | Parramatta - Chatswood line, tender early 2001 | 
| Germany |  Flughafen | 9 470 m | PRJ-2011 | Stuttgart, between airport and main station | 
| Spain | Carrascoy | > 9 000 m | 2007 | Madrid - Valencia/Murcia high speed network | 
| Germany | Katzenberg | 8 980 m | PRJ | Karlsruhe - Basel | 
| Spain | San Paio (not final name) | 8 750 m | 2007 |  L�nea Ourense -
        Lubi�n (pdf) | 
| Croatia | Krapina 4 | 8 500 m | Planned on new Zagreb - Varazdin line | |
| Germany | Albaufstieg | 8 430 m | PRJ | Stuttgart - Augsburg | 
| Germany | Ble�berg | 8 314 m | PRJ | Ebensfeld - Erfurt | 
| Spain | Atocha - Chamart�n II | ~8 000 m | 2007? | Cross Madrid suburban tunnel | 
| Germany | Silberberg | 7 391 m | PRJ | Th�ringen, Ebensfeld - Erfurt | 
| Germany | Finne | 6 886 m | 2007 | Erfurt - Leipzig/Halle, Works start: 2001 | 
| Spain | Atocha - Chamart�n III | 6 800 m | 2007? | Cross Madrid tunnel for normal gauge high speed trains | 
| Italy - Switzerland | Arcisate - Stabio | 6 700 m | PRJ | Lugano - Malpensa Airport | 
| Sweden |  City | 6 000 m | 2009 | Malm�. Part of connection to �resund bridge | 
| Sweden | Citybanan | 6 000 m | 2011 | Stockholm south - Tomteboda | 
| Austria | St. Andr� - Aich | 6 000 m | PRJ >2010 | Koralmbahn Graz - Klagenfurt | 
| Germany | Albastieg | 5 950 m | PRJ | Stuttgart - Augsburg | 
| Spain | A Madroa | 5 910 m | 2007 | Corridor Atlant�co Vigo - La Coruna | 
| Australia | Civ 2 | 5 530 m | PRJ | Parramatta - Chatswood line, tender early 2001 | 
| Spain | Oural II (not final name) | 5 350 m | 2007 | L�nea Ourense - Lubi�n | 
| Taiwan | New Nanao | 5 340 m | ||
| Germany | Rastatter | 5 000 m | PRJ | Karlsruhe - Basel | 
| Germany | Frankfurt | 5 000 m | PRJ | Frankfurt am Main/Hessen | 
| Spain | Girona II | 5 000 m | 2007? | Barcelona - Perpignan for parallel broad gauge line | 
Warm thanks to Eugenio A. Merzagora, Walter Brummer, S�nke Roggenkamp, Jeroen de Leeuw, D�niel Gy�rgy Kem�ny, Eva Edblom, Gunnar Sandh, Kazutaka Taniguchi
See country lists for new projects < 5 000 m
� 2003. Copying from the data pages is not allowed without adding the source name: "The World's longest Tunnel Page"
This page was last modified on November 27, 2004