Ost Autobahn

Motorway A4 shield}}
Motorway A4
Ost Autobahn A4
Route information
Length66 km (41 mi)
Major junctions
FromVienna Erdberg
Major intersections
To M1 / E60, Hungary
Location
CountryAustria
RegionsVienna, Lower Austria, Burgenland
Highway system
  • Highways of Austria
A 3 A 5

The (Austrian) Ost Autobahn A4 or "Eastern Motorway" is part of the European route E60 and goes from Vienna to the town of Nickelsdorf, on the Hungarian border.

The road begins at the A23 at the Prater junction in Vienna, travels through Simmering, Schwechat, Vienna International Airport, Fischamend, Bruck an der Leitha, Parndorf, Weiden am See and Mönchhof to the border town of Nickelsdorf. Crossing the border into Hegyeshalom, the road becomes the Hungarian M1 motorway which then continues on to Budapest. The road is 66 km long.