[Tagging] Feature Proposal - TMC - New tagging scheme for TMC

[Heinrich Knauf]

Am 29.03.2012 20:02, schrieb Tobias Knerr:
> Graham Jones wrote:
>> Err...what does tmc stand for?
> TMC stands for Traffic Message Channel, see e.g.
> http://en.wikipedia.org/wiki/Traffic_Message_Channel
>
> It's a standardized format for transmitting information about blocked
> roads, traffic jams, accidents etc. They have IDs for road sections to
> be able to describe where one of these events has happened, and mapping
> these IDs in OSM would make it possible to use TMC messages in OSM-based
> navigation software.
>
> In Germany, we had a huge discussion about TMC a while ago because the
> previous tagging scheme for TMC IDs was pretty horrible - see this node
> for example:
> http://www.openstreetmap.org/browse/node/595024
>
> So I'm happy that there is now a much more sensible proposal available.
>
> Heinrich Knauf wrote:
>>> http://wiki.openstreetmap.org/wiki/DE:Proposed_features/New_TMC_scheme
> This is clearly a massive improvement. The long and detailed description
> makes it look a bit more complicated than it really is, but considering
> that it also gives some background about how TMC works and explains why
> the proposal makes these exact suggestions, the length of the text seems
> reasonable.
>
> Apart from the obvious improvements (shorter keys, country codes instead
> of numbers etc.), I especially appreciate that it should be relatively
> hard to break even if you don't know much about it. You can still split
> a way with tmc=... tag or move some of its nodes without causing any
> harm. And if you do break something nevertheless, it will probably be
> easy to spot most of the time.
>
> So, I think this proposal is as mapper-friendly as possible, considering
> the complex subject matter.
>
> Btw, have you considered to create some rendering of these TMC tags to
> make them more visually accessible?
>
> Tobias
>
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Hello Tobias,

thank you for the nice feedback and for your assistance in explaining 
what TMC is.

You asked for a means of making tmc tags more accessible? Yes, there 
might be.

First, there is our "TMC Inspector" which you may like to try. Visit 
http://osm-tmc.infoware.de/tmc/
(Please report if the link does not work.)

And there is another project at infoware to install and run a server 
that continuously shows the current traffic status on these road 
segments that are tagged according to the the new scheme.

Regards,
Heinrich

Mit freundlichen Grüßen,
Heinrich Knauf

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