| Country: | EUR |
| Type: | E |
| Route: | 57 |
| Length Km: | 411 |
| Terminus A: | Sattledt, Austria |
| Direction A: | North |
| Terminus B: | Ljubljana, Slovenia |
| Direction B: | South |
| Countries: |  Austria Slovenia |
European route E 57 is an intermediate E-road connecting the Austrian city of Sattledt with the Slovenian capital city of Ljubljana via Liezen, St. Michael, Graz and Maribor.[1]
In Austria, it follows the A9 motorway, also called Pyhrnautobahn. In Slovenia it follows the A1 motorway.
The E 57 includes the second-longest tunnel in Austria, the Plabutschtunnel, 10km (10miles) long. It also includes the Gleinalm tunnel, 8.3km (05.2miles) long, and the Bosruck tunnel, 5.5km (03.4miles) long.
The E 57 routes through two European countries:
See main article: Autobahns of Austria. Starting at the junction with the E56 from Nuremberg to the north-west and the E60 from Salzburg to the south.
See main article: Highways in Slovenia.