European route E 57 is an intermediate E-road

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...

 connecting Sattledt

Sattledt

Sattledt is a municipality in the district of Wels-Land in Upper Austria, Austria....

 - Liezen

Liezen

Liezen is a municipality in the Austrian federal state of Styria, district capital of the district of the same name and economic center on the River Enns.Liezen covers a surface of 56.36 km2 and has a population of 6,991 people, as of the 2001 census...

 - St. Michael - 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...

 in 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...

 and further Maribor

Maribor

Maribor is the second largest city in Slovenia with 157,947 inhabitants . Maribor is also the largest and the capital city of Slovenian region Lower Styria and the seat of the Municipality of Maribor....

 - Ljubljana

Ljubljana

Ljubljana is the capital of Slovenia and its largest city. It is the centre of the City Municipality of Ljubljana. It is located in the centre of the country in the Ljubljana Basin, and is a mid-sized city of some 270,000 inhabitants...

in Slovenia

Slovenia

Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...

In Austria, it follows the A9 motorway, also called Pyhrnautobahn

Pyhrnautobahn

The Pyhrnautobahn is an Autobahn , in Austria. It runs through Alps by 2 two-lane tunnels: the long Bosrucktunnel and the long Gleinalmtunnel. The longest tunnel on the motorway is the long Plabutschtunnel under Graz and its outskirts.The last section of the highway was built in 2004...

. In Slovenia it follows the A1

A1 motorway (Slovenia)

The A1 motorway is 236,1 km long, connecting Šentilj and Koper/Capodistria . It passes several important Slovenian cities, including Maribor, Celje and Ljubljana all the way to the Slovenian Littoral and Koper, with its important port.Construction began in 1970 and the first section was...

 motorway.

It includes the second longest tunnel in Austria, the Plabutschtunnel, 10 km (6.2 mi) long. It also includes the Gleinalm tunnel, 8.3 km (5.2 mi) long, and the Bosruck tunnel, 5.5 km (3.4 mi) long.