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CHE: Swiss renumbering

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si404:
Years ago (CHM days), Switzerland had a plan to expand the number of national routes (and renumber some stuff). This didn't happen. However, something similar* will happen at the turn of the decade. https://www.skyscrapercity.com/showpost.php?p=165339190&postcount=3387

These will slowly be signed/resigned as such.

There might be some renumbering of Hauptstrasse too.

*Though, unlike the original, doesn't give numbers to the suffixed routes like A3W

Edit: "CHE:" added to subject

michih:
https://www.skyscrapercity.com/showpost.php?p=165361896&postcount=3392

"you are asking too much! the mess in road numbers is one of the few messy things in this country"

I'll wait :)

Edit, more info: https://www.astra.admin.ch/astra/de/home/themen/nationalstrassen/nationalstrassennetz/neb.html (inconsistent data though)

michih:
A53 is now signed as A15: https://www.skyscrapercity.com/threads/ch-switzerland-road-infrastructure-%E2%80%A2-autobahnen-autoroutes-autostrade.510148/post-168093278

No info whether other changes have been implemented. Holding off till I have more info (but moving to the other board and adding the ? icon).

edit: A24 also signed now: https://www.skyscrapercity.com/threads/510148/post-168342565
edit: A11 https://www.skyscrapercity.com/threads/510148/post-168363412

michih:
https://github.com/TravelMapping/HighwayData/pull/4016

I've renamed both A53 segments to A15 and Superstrada Mendrisio - Stabio to A24.
The "signed" A11 is still A51 and will remain as A51. N11 is concurrent though.
The rest is still quite unclear.

See also
https://de.wikipedia.org/wiki/Liste_der_Autobahnen_und_Autostrassen_in_der_Schweiz#Autobahnen_und_Autostrassen_des_Nationalstrassennetzes
and
https://www.autobahnen.ch/index.php?lg=000&page=001

It seems that A10 and A19 and other routes appeared in addition to what was announced... I need to wait and see...

Legend for my notes on the map attached:
Changed with https://github.com/TravelMapping/HighwayData/pull/4016
Was already in HB as it should be
Not relevant - no road existing
No evidence, not changed

michih:
https://github.com/TravelMapping/HighwayData/pull/4218

A17 and A23 are indicated on OSM now.
A press release confirms that they should have been signed by summer 2020 (also A15 which I had already added)

I'm not sure about A20. There is a press release from June 2020 about road works. The route is called A20. wikipedia confirms it but not yet GM nor OSM. GSV and mapillary don't have pics from 2020. Not yet added!

Updated map for the north of Switzerland attached (no routes in lightblue).

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