> * what is the maximum possible(!) speed limit > The possible max speed limit is most likely the speed limit fo that type of road in that country, unless you have better information (from what source with what licence?), but that's not really helpful for a router
> * what is the reason(!) for the variable speed limit > A many of these panels are freely porgrammable, this information is most likely difficult to provide. The same panel may indicate at different times 30km/h Ice on Road 100km/h Rain 50km/h queue ... Volker, Italy
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