[Tagging] Feature Proposal - TMC - New tagging scheme for TMC
lowflight66 at googlemail.com
Sat May 12 17:31:26 BST 2012
On 30/03/12 18:04, Heinrich Knauf wrote:
> 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.
>> 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:
>> So I'm happy that there is now a much more sensible proposal available.
>> Heinrich Knauf wrote:
>> 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
>> 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?
>> Tagging mailing list
>> Tagging at openstreetmap.org
> 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
The inspector shows wrong data.
Seems to me that the system was not updated after the last proposal changes and
now the tags are mixed up.
The DE:*-* and DE:*+* need to be switch the sides of the road.
By the way:
Where is the tmc location at the boarder ? At the boarder control or at the real
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