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roads are so much better than the US roads. When the roads are unsafe for high speeds they do have limits. If you never driven the AutoBahn and experience German driving you are missing out.
What's interesting in Germany: large parts have no speed limit. But when there actually is one, all driver are very disciplined. Near large cities, the speed limit can vary between 90 and 110 kms/hr. They call it 'Laermschutz' (Noise reduction)
Current opinion about the Autobahn here in Europe is that the road surface isn't what it used to be! Perhaps that is why large stretches of the Autobahn are currently known as 'Baustelle' (building sites). The Dutch, French and even Italian roads are much better, especially the French from north to south on the east side of the country (Nancy - Lyon - Marseille). The so-called Route du Soleil (Road to the Sun).
Some info here: French speed limits are intelligently enforced. There are portals across the roads with LED and matrix signals. When speeding, your license plate # appears on those billboards, asking you politely to cool it. If not, then you're pulled over within a km or so. It works. French Gendarmerie is a force to reckon with... It's easy: 130 km/hr on the left lane for overtaking, 110 km/hr on the middle lane(s) for smaller vans and cars with trailers and 90 kms hr on the right lane (trucks).
When going to Switzerland or Italy, I prefer to take the 100 km longer route through France.
And then there are the Swiss roads... smooooooooth, silky-style asphalt, maintained like an Omega watch. Frost damage? When the ice melts, all is repaired. Come April, May and all is smooth again. The road signs in two colors: green (US style) for directions on the motorways, blue for the exits to other roads and towns. And if you're colourblind? The font of the writing on the boards is different as well!