European route E 66 is a part of the inter-European road system

International E-road network

The international E-road network is a numbering system for roads in Europe developed by the United Nations Economic Commission for Europe . The network is numbered from E 1 up and its roads cross national borders...

. This Class A intermediate west-east route is 650 kilometres (404 mi) long and it connects the Alps

Alps

The Alps is one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein and Germany to France in the west....

 with the Pannonian plain.

Itinerary

The E 66 routes through three European countries:

• Italy
  Italy
  Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...
  
  
  • SS49: Franzensfeste
    Franzensfeste
    Franzensfeste is a village in Northern Italy, in South Tyrol . The village is famous for its large fort and the historic railway-station.-Geography:...
    
     - Innichen
    Innichen
    Innichen is a market town and comune in South Tyrol in the Italian region Trentino-Alto Adige/Südtirol.It is located in the Puster Valley on the Drava river, about 120 km northeast of Trento and about 80 km northeast of Bolzano , on Italy's border with Austria.As November 2010, it had a...
    
     - Winnebach
• Austria
  Austria
  Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...
  
  
  • Route 100: Ambach - Lienz
    Lienz
    Lienz is a medieval town in the Austrian state of Tyrol. It is the administrative centre of the Lienz district, which covers all of East Tyrol. The municipality also includes the cadastral subdivision of Patriasdorf.-Geography:...
    
     - Spittal an der Drau
    Spittal an der Drau
    Spittal an der Drau is located in the western part of the Austrian federal state of Carinthia and the administrative centre of the federal state's second largest district, Spittal an der Drau. It lies between the Lurnfeld area and the Lower Drava Valley. The city consists of the seven...
    
    
  • Tauern Autobahn
    Tauern Autobahn
    The Tauern Autobahn is an autobahn in Austria. It starts at the Salzburg junction with the Westautobahn , runs southwards, crosses the Tauern mountain range of the Central Eastern Alps and leads to the Süd Autobahn and Karawanken Autobahn at Villach in Carinthia...
    
    : Spittal an der Drau - Villach
    Villach
    Villach is the second largest city in the Carinthia state in the southern Austria, at the Drava River and represents an important traffic junction for Austria and the whole Alpe-Adria region. , the population is 58,480.-History:...
    
    
  • Südautobahn: Villach - Klagenfurt
    Klagenfurt
    -Name:Carinthia's eminent linguists Primus Lessiak and Eberhard Kranzmayer assumed that the city's name, which literally translates as "ford of lament" or "ford of complaints", had something to do with the superstitious thought that fateful fairies or demons tend to live around treacherous waters...
    
     - Graz
    Graz
    The more recent population figures do not give the whole picture as only people with principal residence status are counted and people with secondary residence status are not. Most of the people with secondary residence status in Graz are students...
    
     - Fürstenfeld
    Fürstenfeld
    Fürstenfeld is a town and a district in southeastern Austria. It is situated within the Austrian federal state of StyriaAccording to the 2005 census, Fürstenfeld has 5,986 citizens within its communal area, the larger urban area of Fürstenfeld includes approximately 20% more citizens.Fürstenfeld...
    
    
  • Route 65: Fürstenfeld - Heiligenkreuz im Lafnitztal
    Heiligenkreuz im Lafnitztal
    Heiligenkreuz im Lafnitztal is a town in the district of Jennersdorf in Burgenland in Austria close to the Austria/Hungary border....
    
    
• Hungary
  Hungary
  Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...
  
  
  • Route 8 (M8
    M8 motorway (Hungary)
    The M8 is a planned Hungarian motorway, which when finished, will connect the western part of the country, near the Austrian border to Szolnok in the central part of the country. It will be partially concurrent with the European route E66 .The construction started in 2007 and it is planned to be...
    
    ): Rábafüzes/Szentgotthárd
    Szentgotthárd
    Szentgotthárd is the westernmost town of Hungary. It is situated on the Rába River near the Austrian border, and is home to much of Hungary's small Slovene ethnic minority....
    
     - Veszprém
    Veszprém
    Veszprém is one of the oldest urban areas in Hungary, and a city with county rights. It lies approximately north of the Lake Balaton. It is the administrative center of the county of the same name.-Location:...
    
     - Székesfehérvár
    Székesfehérvár
    Székesfehérvár is a city in central Hungary and is the 9th largest in the country. Located around southwest of Budapest. It is inhabited by 101,973 people , with 136,995 in the Székesfehérvár Subregion. The city is the centre of Fejér county and the regional centre of Central Transdanubia...
    
    

Hungary requested in October 2011 that E66 should be extended from Székesfehérvár via Dunaújváros

Dunaújváros

Dunaújváros is a Hungarian city in Central Transdanubia, along the Danube river. It is in Fejér county.-History:Dunaújváros is one of the newest cities of the country...

 - Kecskemét

Kecskemét

Kecskemét is a city in the central part of Hungary. It is the 8th largest city of the country, and the county seat of Bács-Kiskun.Kecskemét lies halfway between the capital Budapest and the country's third-largest city, Szeged, 86 kilometres from both of them and almost equal distance from the two...

 to Szolnok

Szolnok

Szolnok is the county seat of Jász-Nagykun-Szolnok county in central Hungary. Its location on the banks of the Tisza river, at the heart of the Great Hungarian Plain, has made it an important cultural and economic crossroads for centuries....

. The expectation is that this will be valid and signposted in 2013 or 2014.http://www.unece.org/fileadmin/DAM/trans/doc/2011/sc1/Informal_Document_No.1e.pdf