Andrew, Je ne crois pas que le fait que ces ‘contributeurs’ soient Roumains, 
Javanais ou Américains soit à considérer. Ils nous ont consultés avant de faire 
la modification et c’est parfait. Cependant, je suis entièrement en accord avec 
ta réponse - laissez ça à la communauté canadienne!

(I do not believe that the fact these ‘contributors’ are Romanians, Javanese or 
Americans is to be considered. They consulted us before making the change and 
it's perfect. However, I fully agree with your answer - leave that to the 
Canadian community!-)

Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10

________________________________
From: Andrew Lester <a-les...@shaw.ca>
Sent: Monday, March 26, 2018 1:35:56 PM
To: Olivia Robu - (p)
Cc: talk-ca
Subject: Re: [Talk-ca] Trans-Canada Highway research

While standardization may be nice, it often won't be possible even within a 
single country. As has already been discussed, there are differing conventions 
in different provinces, so please don't try to apply a single plan to all 
provinces. How the TCH is handled in OSM will vary depending on the province.

For example, in BC (and some other western provinces), the TCH carries the 1 
ref. In some places where other ref'ed highways coincide with the TCH, the ref 
is recorded as "ref=1;19", for example. There are places within cities where 
the TCH runs on city roads with different names (e.g. Douglas Street in 
Victoria), so those ways are named with the local name and the TCH name is 
recorded in the alt_name or nat_name tag (a separate argument is which one of 
these to use). An alternate name should never be added to the primary name in 
brackets like proposed. That's exactly what the alt_name (and similar) tags are 
for. There are also many places where Trans-Canada Highway is the official 
local name of the road, like most of the highway in BC.

As for the correct spelling of the TCH, I think it would be fairly 
uncontroversial to standardize the name to "Trans-Canada Highway" or "Route 
Transcanadienne" where it's appropriate to use the TCH name, because those are 
the official spellings. Any variants can be considered errors.

As for varying highway classifications, this is correct and to be expected. 
Unlike the US interstate system, the Trans-Canada Highway network varies in 
construction and importance all across the country, so the classification can't 
be standardized to just motorway or trunk. There are sections where primary is 
the most appropriate, and possibly even secondary in some places. Just on 
Vancouver Island alone, the roads designated as the TCH vary from a six-lane 
motorway all the way down to a two-lane effectively-tertiary road.

Since there will need to be a lot of local knowledge required for such a 
project, I strongly recommend that this project not be undertaken by Telenav. 
This is the kind of work that Canadians should be doing, being the most 
familiar with the on-the-ground situation which will dictate how the highway is 
handled in each province. The numerous past issues with Telenav's contributions 
is also a factor that can't be ignored. Does it really make sense for a team of 
Romanians with a history of questionable decisions to be making sweeping 
changes to the Canadian national highway network? At least they've brought a 
proposal to the community this time rather than just push forward with a faulty 
plan like they have in the past. I'm still cleaning up after previous Telenav 
projects in my area that added countless non-existent turn restrictions and 
names and also removed valid data.

Andrew
Victoria, BC, Canada

________________________________
From: "Olivia Robu - (p)" <olivia.r...@telenav.com>
To: "talk-ca" <talk-ca@openstreetmap.org>
Sent: Monday, March 26, 2018 4:20:16 AM
Subject: [Talk-ca] Trans-Canada Highway research

Hello,
The Telenav Map team has done some research on the status of the ways and 
relations of Trans-Canada Highway.
Here are some conclusions from this research:

  *   The highway is formed from 30 routes;
  *   Every route has different names for the name tag, such as: street names, 
other routes names or Trans-Canada highway name in different forms;
  *   The issue above is repeating for the ref tag;
  *   The name of Trans-Canada highway has more than one form (Trans-Canada 
Highway, TransCanada Highway, Trans Canada Highway, etc);
  *   Another issue is the variety of names in other tags related to it (such 
as: name:en, name:fr, alt_name, alt_name:en, alt_name:fr, nat_name);
  *   There are some routes that don’t have a route name only ref (5 routes);
  *   There are some routes that overlap:
     *   in Manitoba: - PTH 1 (MB Trans-Canada Highway) and Trans-Canada 
Highway (Super);
                                                     - Yellowhead Highway and 
PTH 16 (MB Trans-Canada Highway);

     *   in Alberta: Trans-Canada Highway (AB) and Trans-Canada Highway (Super);
     *   in British Columbia: - Trans-Canada Highway (BC, Super) and 
Trans-Canada Highway;

  *   About 90% of these routes are broken;
  *   About 80% of these routes have highway value flip flop (motorway, trunk, 
primary);

We propose to make some improvements to standardize all the routes. We would 
like to get your thoughts and feedback on the following questions:

  *   What is the correct form for the name that appears in the way name tag? 
For example: “Highway 417” is part of Trans-Canada Highway and has the name 
value tag “Highway 417”. To resolve this issue, we would need to standardize 
the ways’ name tag for all the provinces. The question is, should we modify the 
way names in to “Trans-Canada Highway”, or should we insert the name 
“Trans-Canada Highway” at the end of the name, like this: “Highway 417 
(Trans-Canada Highway)”, or should we leave it like it is?
  *   Another issue is related to the official name of the highway. According 
to our research the official name for Trans-Canada Highway is “Trans-Canada 
Highway”. In our research we have found several forms of this name: TransCanada 
Highway, Trans Canada Highway, etc. Should we change all the names to 
“Trans-Canada Highway”?

  *   Another question is related to the priority of the names in the name 
value tag and also for the ref tag. If we have a way that has a street name 
(“Old Highway 16” or “North York River Road”) and two routes that overlap (ex: 
Trans-Canada Highway and Highway 11). What is the name and the ref that should 
appear in the way name tag and ref tag?
  *   In case of overlapping identical routes (ex: in Manitoba there is two 
routes for Trans-Canada Highway). What should be the best approach?
  *   In case of highway value flip flop (motorway, trunk, primary), there are 
several segments like this outside the cities (ex.: Route “Ontario Highway 17 
(Blind River to North Bay) (ID 3739829)”, or Route “Trans Canada Highway 104” 
(ID 1732797)). For areas outside the cities we propose to change the highway 
value into motorway/trunk. What do you think about this issue?

We think that one approach to resolve the first problem could be to add 
“Trans-Canada Highway” or “Highway 417 (Trans-Canada Highway)” to the way name 
for all the routes, and the ref number correspondent to each route that forms 
the Trans-Canada Highway.

We look forward to hearing your feedback and hope to improve the situation 
together.

Here is the link to github ticket that we created: 
https://github.com/TelenavMapping/mapping-projects/issues/57

Regards,
Olivia Robu

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