The A4 autostrada in Poland is a 669 km (416 mi) long east–west motorway that runs through southern Poland, along the north side the Sudetes and Carpathian Mountains, from the Polish-German border at Zgorzelec-Görlitz (connecting to the A4 autobahn), through Wrocław, Opole, Gliwice, Katowice, Kraków, Tarnów and Rzeszów, to the Polish-Ukrainian border at Korczowa-Krakovets (connecting to the M10). It is a part of European route E40.

Quick Facts Autostrada A4, Route information ...

Autostrada A4
Route information
Part of E40
Length	669 km (416 mi)
Major junctions
From	A4 - Polish-German Border at Görlitz-Zgorzelec
Major intersections	A18 near Krzyżowa S3 near Legnica A8 and S8 near Wrocław A1 near Gliwice S1 near Mysłowice S7 and S52 near Kraków S19 near Rzeszów
To	Polish-Ukrainian border at Korczowa-Krakovets - M10
Location
Country	Poland
Regions	Lower Silesian Voivodeship Opole Voivodeship Silesian Voivodeship Lesser Poland Voivodeship Podkarpackie Voivodeship
Major cities	Wrocław, Gliwice, Katowice, Kraków, Rzeszów
Highway system
National roads in Poland Voivodeship roads
← A 2 → A 6

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The motorway between Wrocław and Kraków (270 km (170 mi)) was constructed between 1976 and 2005. The part from Mysłowice to Kraków is tolled (see Tolls for details).

The section from the German border to Wrocław (151 km (94 mi), not tolled) was constructed between 2002 and 2009, in large part as repavement of the old concrete motorway constructed from 1933 to 1937 (then the territory of Nazi Germany). The repaved parts are substandard due to lack of emergency lanes and the speed limit is decreased to 110 km/h.

The motorway from Kraków to the Ukrainian border (251 km (156 mi), not tolled) was constructed between 2010 and 2016, making A4 the first Polish complete border-to-border highway connection.

Some western stretches of this motorway were initially built as a Reichsautobahn by Nazi Germany in the 1930s under her interwar borders. After the Second World War and the takeover of Poland by the communist regime, with her new borders, the existing roads received minimal maintenance and upgrades and became notorious for their poor quality, a phenomenon similar to that observed in East Germany. In effect, the original road served in a virtually unchanged state throughout the whole communist period and the first years afterwards. Reconstruction between 2002 and 2006 removed the old concrete road surface (earlier, a short fragment of A18 was reconstructed between 1993 and 1995, of which 10 km (6.2 mi) are now part of A4), but some aspects of the 1930s standards of construction remain on the stretch from Krzyżowa to Wrocław; for example, the aforementioned section does not have emergency lanes, a feature that is to be added in the future.

The section between Katowice and Kraków was built from 1976 to 1996, and the section between Wrocław and Katowice from 1996 to 2005. Between 2006 and 2009, the section from the German border to the junction with A18 motorway was constructed, which completed a continuous connection from Germany to Kraków.

Also completed in 2009 was the first portion of the motorway east of Kraków (20 km). The original plan was to finish the rest of the motorway by about 2013, but because of the UEFA decision to host the 2012 UEFA European Football Championship in Poland and Ukraine and the resulting need to improve the road infrastructure connecting the two countries, the date for opening the motorway to traffic was moved up to June 2012. This ambitious target was not attained after multiple delays, some caused by the floods of 2010. In July 2016, the last missing section of 41 km (25 mi) between Rzeszów and Jarosław was completed. This meant the entire length of the A4 from the German border to the Ukrainian border was completed, making the A4 the first complete major motorway in Poland (second overall, behind the very short A8) and the first completed continuous border-to-border highway connection.

• Highways in Poland
• European route E40