[Routing] [motorway_link] description of direction

[Marcus Wolschon]

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Frederik Ramm schrieb:
| The proper way to deal with this is to use relations very much like
| turn restrictions, with three members - a "coming from" and a "going to"
| way plus, possibly, the node where you change ways.
|
| The relation would then be tagged with the signage and/or driver
| instructions that one would have to follow to get from one way onto
| the other.
|
| So the same junction could have any number of such relations ("if
| you come from A road and want to catch B road, follow the signs
| for Dypswyddle" or so). A router or in-car navigator would search
| for such relations for every junction it routes you over.
|
| This would not only cover signage, but also complex instructions
| like "use second-from-left lane and make sharp turn" or whatever.

Hello frederik,

I would not add the spelled out driving-instructions itself but
only the hints(related elements) and parameters(names on signs).
The reason is, that instructions should be the same for all junctions
in a program and that programs come translated into many different
languages.
Thus the actual sentences should not be in the map (in vaying degrees
of quality and highly redundant) but in the navigation-software (once).

Marcus
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