There are various European roads numbered D1 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
Czech Republic Dálnice D1 ETS 1, ETS 2 (extended in Going East!) Praha, Ostrava
Slovakia Diaľnica D1 ETS 2 (Going East!) Bratislava, Košice
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