[HOT] Introducting myself + questions about "Highway Tag Africa" standards

Vincent Dawans dawansv at gmail.com
Tue Mar 4 21:11:10 UTC 2014


Hi Pierre:

Thank you for the pointers to the 2013 discussions. I will look at the 
archive.

I can tell you that from what I have seen on the ground, the Mali 
activation is definitely a success, in particular if you compare the 
level of details and accuracy with google maps.

I do like the approach of differentiating the road importance and its 
condition as currently explained in the guidelines, and I think it works 
well with the "Primary/Secondary/Tertiary" classification.

It appears some people in Senegal have raised the same issue about the 
use of trunk, so I am going to follow up with them.

Regards,

Vincent Dawans

On 3/4/2014 11:31 AM, Pierre Béland wrote:
> Hi Vincent,
>
> Thanks to come and discuss about this. And I am pleased to have the 
> opportunity to discuss with you and have comments on how usefull are 
> those maps for road navigation. We dont have often some feedback from 
> people travelling in these areas and this is much appreciated. I am 
> also happy to see that you try to have local people to collect data 
> with GPS.
>
> If we want to progress collectively on this, it's  worth take time to 
> discuss before amending the wiki page. And it would be interesting 
> that some african contributors participate to such discussion.  Other 
> HOT coordinators for various Activations might also have something to 
> say about this.
>
> Note that you should find various discussions on the subject on the 
> Hot list in 2013.
>
> We initiated the Mali_Highway_tag wiki page in early 2013 to help in 
> the context of the Mali Activation the remote mappers to classify the 
> highways in a more coherent approach.Thus, have the possibility to 
> deliver rapidly a more coherent road map with all the remote mappers 
> contributing to the classification.
>
> At the time, we had various discussions on both the HOT irc and then 
> HOT discussion list. Later, some discussions suggested that such 
> classification was representative of Africa in general and the page 
> was renamed to Highway_Tag_Africa. As explained in the wiki page, we 
> thougth that it was important to make a difference between the 
> importance of the road and it's surface / condition.
>
> It seems interesting to add the trunk and the motorway 
> classifications. Since we need other information then simply classify 
> from observation of the Imagery, I think that such categories should 
> be added in a clearly identified section of the wiki page, probably 
> with a color box. Then I suggest that instructions should be given 
> that these classifications are later added, once the roads have been 
> traced from Imagery.  This should be done by experience mappers that 
> do have appropriate information about the road network.  Ideally, this 
> step should always be done and had planned to do it for Mali. But we 
> often do not have people witth the local knowledge to revise the road 
> classification and adapt to the context of the country or region like 
> you propose. Plus we had a lot of Activations to take care in 2013.
>
> It is surely welcome if you propose to revise the classification for 
> the major roads being part of theTrans-African Highway Network or others.
>
> Regard
> Pierre
>
> ------------------------------------------------------------------------
>

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