According to MT these are light traffic, derestricted areas

1 - A31 from Essen to Emden in the country's northeast
2 - A24/A19 heading north out of Berlin to Rostock
3 - A38 from Gottingen to Leipzig
4 - A3 from Frankfurt to Bonn
5 - A62 from Landstuhl to Nonnweiler in Germany's southwest corner
6 - A5 from Karlsruhe to Basel
7 - A92 from Munich to Deggendorf
8 - A96 between Landsberg and Bregenz at the southern tip of the nation
9 - A81 from Weinsberg to Wurzburg, just north of Stuttgart
10 - A9 between Nurnberg and Holledau, a bit northwest of Munich

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