Changeset: 49075826
use distinct nodes for ways connecting to roundabout
Closed by Cebderby
Tags
build | 2.5-7-gbd74430 |
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created_by | Potlatch 2 |
version | 2.5 |
Discussion
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Comment from Vincent de Phily
What's the idea behind these changes ? I don't understand why it'd be necessary to only connect the roads to the roundabout and not to each other. My best guess is some kind of "mapping for the GPS navigation announcement" ?
There are a lot of roundabouts like this with a wide entry/exit, where IMHO connecting them is the best way to match their real geometry (an even more correct but overkill version would be to add a way connecting entry to exit directly without touching the roundabout).
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Comment from Cebderby
Hi Vincent,
It's considered best practice for roundabouts, yes mostly for routing, so that 'taking the first exit' rather than 'turning left' is used. There are nearly no roundabouts where this is not done, even when geometrically awkward - only exception is where a 'bypass' route exists and a no-left-turn turn restriction may be wanted on the route via the roundabout. But the 'bypass' route is only mapped if theres a physical separation of the ways.
regards, Clive
Ways (3)
Nodes (2)
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