[Tagging] How can I display maxspeed on my Garmin?

Gerd Petermann GPetermann_muenchen at hotmail.com
Thu Jul 21 07:11:38 UTC 2016


the default style rules in mkgmap evaluate maxspeed to calculate a so called road speed value which is used

by the Garmin routing algo.

But we don't know any way to store the value in the map so that it woud show up in the device when you

pass the node. I know that modern Garmin maps have this feature using so called NT maps, I don't know

any place in the older img format where this information could be stored, but maybe we just didn't find

it yet.


Von: Paul Johnson <baloo at ursamundi.org>
Gesendet: Donnerstag, 21. Juli 2016 08:55:27
An: David Swarthout; Tag discussion, strategy and related tools
Betreff: Re: [Tagging] How can I display maxspeed on my Garmin?

On Tue, Jul 19, 2016 at 7:07 PM, Dave Swarthout <daveswarthout at gmail.com<mailto:daveswarthout at gmail.com>> wrote:

I posted this on the Garmin OSM forum but nobody responded. Maybe someone here can help with this.

I recently added maxspeed to many highways in my neighborhood and am looking for a way to have them display on my Garmin Montana. Mostly I would use this information while driving here and there to show me roads that don't have a maxspeed tag already. I'm looking for a style directive that will append maxspeed information to the highway-symbol and ref for the standard highway types.

I'm not currently aware of anything in the OSM to Garmin toolchain that is capable of encoding maxspeed as of yet.  As far as I'm aware, the only data consumer that is using lane or speed data is Osmand at this time.
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