Note: Both ETS2 and ProMods have advanced far beyond version 1.45. To use these specific files, you must use Steam's beta branch feature to downgrade your game version back to 1.45.
using a program like 7-Zip or WinRAR if the file ends in .zip or .rar . Base Map freedom Promods 1.45
It is specifically adapted to not break road connections when used in conjunction with the ProMods map files. Note: Both ETS2 and ProMods have advanced far