I missed the [motor_vehicle=no] on the residential (south way only). My example should haven been without any access tags on the highways. Just: [highway=residential] + [barrier=bollard] in the middle. But you have "removed the tag motor_vehicle=no from way" Oké, so: your test is okay! IF: - NODE: [barrier=bollard] + [motor_vehicle=no] THEN: - nearby-poi-rules THEN: - NODE: [motor_vehicle=no] So: only [barrier=bollard] was deleted from node? So not all tags {deletealltags} are deleted, only the POI tag?!! Oké than routing - restriction (!) - is not effected by nearby-poi-rules. Agreed. But this also implies name=* is left on node (if name is set). How will Map render a node having name only? Osmose and JOSM regards this as warning: "missing tag - incomplete object: only name". Also (but OT): The barrier rendered is a - visual - justification for GPS refusing to Route over this highway. If the barrier is missing (not rendered by nearby-poi-rules) than I might assume this is an "Unconnected ways" error and I can go there by ignoring GPS. I won't understand why routing is not possible. So "visual navigation" might be effected by nearby-poi-rules. Walking the dog over a cattle grid is another example.
So, unless your Garmin navi interprets the POI itself as a routing restriction there really should be no effect on routing. Unless I'm very mistaken: mkgmap was updated several years ago as to "interprets the POI itself as a routing restriction" (Instruction by openfietsmap). My navi is innocent.
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