>>2016227That applies to interstate highways in the US or what are colloquially called "freeways", those are restricted-use roadways like your autobahn, where slow vehicles are not allowed.
A two lane local county road between two small towns, with farmhouses on both sides? There are no such minimums there, because it's the only road that exists and everyone from tractors to pickup trucks or, in this case, bicycles, has to share the same roadway.
It is the anti-bicycle lobby aka the car lobby in the US that promotes the idea that no public roadway used by motor vehicles should be usable by anything less than a 3500 pound sedan, "there should be bike lanes" means "there should be a mandatory sidepath law" which means "no bikes anywhere except in these little recreational containment zones. These people do not want bicycles to be used for transport, ever, anywhere, because then motorists would have to exercise caution and face consequences.
Forester did nothing wrong.