Obtain the EuRoadNet V1.1b files from a reputable source like the official SCS Software Forum .
If you run into issues,43 or check for compatible with current ETS2 releases?
You typically need all official map DLCs (Going East, Scandinavia, Vive la France, Bella Italia, Beyond the Baltic Sea, Road to the Black Sea, and Iberia) for map mods of this scale to function.