Complex sentence: The German government has had issues with upkeep of the roads in the country, having had to revamp the eastern portions transport system since the unification of Germany between the German Democratic Republic (East Germany) and the Federal Republic of Germany (West Germany).
Split into simpler sentences: The German government has had issues with upkeep of the roads in the country. For the government has had to revamp the eastern portions transport system since the unification of Germany between the German Democratic Republic (East Germany) and the Federal Republic of Germany (West Germany).