There are various European roads numbered A4 appearing in Euro Truck Simulator (ETS 1), Euro Truck Simulator 2 (ETS 2) or related games. The following list describes their existence in the game(s).

Country Road Game Nearby Cities
Austria Autobahn A4 ETS 2 Wien
Belgium Autoroute A4 ETS 2 Brussel
Bulgaria Avtomagistrala A4 ETS 2 (Road to the Black Sea) Plovdiv
France Autoroute A4 ETS 2 Paris, Reims, Metz, Strasbourg
Germany Autobahn A4 ETS 2 Köln, Kassel, Erfurt, Dresden
Italy Autostrada A4 ETS 2 Milano, Verona, Venezia
Latvia Autoceļš A4 ETS 2 (Beyond the Baltic Sea) Rīga
Lithuania Magistralinis kelias A4 ETS 2 (Beyond the Baltic Sea) Vilnius
Netherlands Autosnelweg A4 ETS 2 Amsterdam, Rotterdam
Poland Autostrada A4 ETS 2 (extended in Going East!) Wroclaw, Katowice, Kraków
Romania Autostrada A4 ETS 2 (Road to the Black Sea) Constanța
Switzerland Autobahn A4 ETS 2 Zürich
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