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Old February 9th, 2017, 03:52 PM   #6841
ChrisZwolle
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A-21

Some more photos of A-21 towards Pamplona. A scenic and quiet motorway, there isn't much traffic.


The autovía starts at Tiermas, just in Aragón

A-21-14 by European Roads, on Flickr

Welcome to Navarra!

A-21-15 by European Roads, on Flickr

The 1648 meter long Yesa Tunnel.

A-21-18 by European Roads, on Flickr


A-21-20 by European Roads, on Flickr

The 945 meter long Liédena Tunnel.

A-21-22 by European Roads, on Flickr

Liédena.

A-21-24 by European Roads, on Flickr

What is this?

A-21-25 by European Roads, on Flickr


A-21-27 by European Roads, on Flickr


A-21-29 by European Roads, on Flickr


A-21-32 by European Roads, on Flickr

Lumbier

A-21-34 by European Roads, on Flickr


A-21-35 by European Roads, on Flickr
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Old February 9th, 2017, 04:28 PM   #6842
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Navarre is one of the very few places I don't use its Spanish name (Navarra) when writting in Spanish, as I like more the Basque one (Nafarroa). Others include several towns and villages in my province where I use the Aragonese name.

Depending on the time of the day you drove you may have seen 'purple' runners crossing the AP-15/A-21 split in Noain, just before Pamplona.
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Old February 9th, 2017, 11:40 PM   #6843
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A-15 indeed. Since A-21 cross is untolled
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Old February 10th, 2017, 12:48 AM   #6844
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My search to understand the term purple runners did only find one match, this site
I suppose its about tricking the toll?
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Old February 10th, 2017, 01:27 PM   #6845
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It's not what you think. The very same day Chris drove those roads there was a trail race in Noain which I attended, and most of us were wearing purple t-shirts. The race went on this pedestrian overpass which crosses over the AP-15/A-21 split. Oh, and it's signed AP-15 up to the PA-30/PA-31 interchange, but the section bypassing Noain is toll-free.
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Old February 10th, 2017, 02:24 PM   #6846
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Quote:
Originally Posted by ChrisZwolle View Post
What is this?

A-21-25 by European Roads, on Flickr
If someone can answer... what is this? It seems just a monument, but to complicated for being this the only purpose.

Edit: the full perspective on google maps helped: https://www.google.es/maps/@42.62267...8i6656!6m1!1e1
There is a quarry next to it, or at least there was on may, 2015. I suppose this structure is a necessary protection for the small stones and sand that can reach the road.

Perspective from the path of the quarry:
https://www.google.es/maps/@42.62315...8i6656!6m1!1e1

Last edited by adevahi; February 10th, 2017 at 11:56 PM.
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Old February 10th, 2017, 10:27 PM   #6847
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It could be an infrastructures against wind too...
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Old February 14th, 2017, 05:11 PM   #6848
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Quote:
Originally Posted by alserrod View Post
It could be an infrastructures against wind too...
I don't see any sense in such a structure covering only a small fraction of that open field.
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Old February 15th, 2017, 01:50 AM   #6849
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Quote:
Originally Posted by OulaL View Post
I don't see any sense in such a structure covering only a small fraction of that open field.
Perhaps the lateral wind always comes from that side of the road. Some places have a well behaved pattern for winds, both in intensity and direction.

I don't know about this place of the photo, but it is a possibility. I also thought about protection from wind gusts.
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Old February 15th, 2017, 11:52 AM   #6850
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As already said, there is a quarry right next to the motorway (it was still there as of 3 September when both Chris and me drove that section), and that structure protects it from small "projectiles" (stones) that could reach the pavement.
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Old February 16th, 2017, 12:09 PM   #6851
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Yes, please, open the links and it will be obvious what is the structure purpose. It is situated exactly next to the quarry.

Quote:
Originally Posted by adevahi View Post
https://www.google.es/maps/@42.62267...8i6656!6m1!1e1
There is a quarry next to it, or at least there was on may, 2015. I suppose this structure is a necessary protection for the small stones and sand that can reach the road.

Perspective from the path of the quarry:
https://www.google.es/maps/@42.62315...8i6656!6m1!1e1
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Old February 16th, 2017, 10:52 PM   #6852
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Col de la Pierre Saint-Martin

I filmed NA-137 across the 1760 meter* high Col de la Pierre Saint-Martin on the border with France.

Does anyone know if this pass also has a Spanish name? I couldn't find any. There used to be a sign with the French name indicating an altitude of 1802 meters, but it's not there anymore.



* 1760, 1766 and 1802 meters is quoted on the internet.
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Old February 16th, 2017, 11:44 PM   #6853
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Yes, the Piedra de San Martin/Pierre Saint-Martin pass has a Spanish name (the first of two names given here), which is just a translation of the French one. Also, in the video title you got the name of the pass wrong.
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Old February 17th, 2017, 06:45 PM   #6854
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Thanks, I changed it.

Google Maps puts the border between France and Spain some 700 meters (by road) from the summit, but Spanish road signage and road markings start right at the summit (2:00 in the video). There are no signs indicating you have crossed into Spain, though there is a sign welcoming you to Navarra.
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Old February 17th, 2017, 07:10 PM   #6855
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the border is where the road pavement changes
https://goo.gl/maps/Hqqyohgx1R22
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Old February 17th, 2017, 09:27 PM   #6856
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Quote:
Originally Posted by ChrisZwolle View Post
Thanks, I changed it.

Google Maps puts the border between France and Spain some 700 meters (by road) from the summit, but Spanish road signage and road markings start right at the summit (2:00 in the video). There are no signs indicating you have crossed into Spain, though there is a sign welcoming you to Navarra.
Therefore, at Navarra welcome sign, you are in Spain.

Border are in summits in most of cases
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Old February 17th, 2017, 10:32 PM   #6857
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The Navarra sign is not at the summit though, but where Google Maps puts the border, some 0.7 km south of the summit by road.

It seems fairly uncommon to me to have a border not exactly at the summit, but a few hundred meters away.
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Old February 18th, 2017, 09:23 PM   #6858
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In the Aragonese-Bearn/Bigorre border, AFAIK all the borders are in the summit with the exemption of Candanchu area.

Somport (after Summus Portus in Latin) pass is the border but there is an area where border doesn't go via summits.

We have best example here, in the cross country ski resort... it is international (mainly in France but you can cross border several times cos part of it is in Spain)

I guess but not sure, stick is the border

https://www.google.es/maps/@42.78438...2!8i6656?hl=es
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Old February 18th, 2017, 09:31 PM   #6859
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Quote:
Originally Posted by VITORIA MAN View Post
the border is where the road pavement changes
https://goo.gl/maps/Hqqyohgx1R22
That would make sense, as that's where the signs become Spanish / Basque too, but IGN mapping also puts the border south of the summit, similar to Google Maps: http://signa.ign.es/signa/

Here the pass is called Collado de Piedra de San Martín.
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Old February 18th, 2017, 09:42 PM   #6860
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That page is a mess...but official one.

About names "de" is a preposition and it is common to be used in Latin languages but not always
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