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 |
|---|---|---|---|
| Croatia | Državna 
|
ETS 2 (Euro Truck Simulator 2: West Balkans) | Zagreb, Split |
| Czech Republic | Dálnice 
|
ETS 1, ETS 2 (extended in Going East!) | Praha, Ostrava |
| Slovakia | Diaľnica
|
ETS 2 (Going East!) | Bratislava, Košice |