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SatNav Directly Responsible For Man's Death
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MaFt
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PostPosted: Tue Oct 05, 2010 4:47 pm    Post subject: Reply with quote

i would say that this is where they went in:

http://MaFt.co.uk/misc/pgpsw/lake.png


and if you look further east you can see that there IS a road there but it's submerged - i wonder if this is one of those 'seasonal' roads that depends on the volume of water in there? like the road to Holy Island?

http://MaFt.co.uk/misc/pgpsw/lake2.png

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Darren
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PostPosted: Tue Oct 05, 2010 4:50 pm    Post subject: Reply with quote

Or it's a road that was consumed by the reservoir?
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MaFt
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PostPosted: Tue Oct 05, 2010 5:00 pm    Post subject: Reply with quote

Darren wrote:
Or it's a road that was consumed by the reservoir?


just reading the Guardian report:
Quote:
Pictures of the scene show the old road running on a slight downhill slope straight into the reservoir, which is the biggest in the country.

There was no explanation of why the GPS still showed the road as usable. La Serena reservoir, which stores water from the Zújar river, was built in 1989.


implies the road used to exist but they stopped when they built the reservoir.

in this instance, even if the drivers had checked on google maps then the road looks totally feasible as the reservoir is not shown on that part. it's only when you switch to satellite view that you see how big the reservoir really is!

the next question, i suppose, is whether there are plenty of warning signs saying 'no through road' or similar leading up to it that could have given them some warning. unfortunately there's no StreetView in the area...
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PostPosted: Tue Oct 05, 2010 5:36 pm    Post subject: Reply with quote

The Telegraph report says the satnav did not have an up-to-date map and did not show the reservoir. Both men were from Senegal, so presumably would not have 'local' knowledge. Still not clear whether there were warning signs on the road or not. From the google map the road looks clear and in reasonable condition? A newer map version would have saved them. Makes me reconsider my criticism of TT's frequent map updates, even though most show little change - some changes are crucial. Though I suppose you could ask how long the reservoir would be there before teleatlas included it?
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PostPosted: Tue Oct 05, 2010 5:45 pm    Post subject: Reply with quote

I still can't see how they couldn't stop in time. It's not like there was a sudden drop into fifty feet of water...
From the pictures it looks as if the road is still there under the water, therefore the depth of water must increase pretty gently.

EDIT: Sorry, I take it all back, I've just seen Darren's picture of the car on the ramp and it does look a bit steep!
EDIT2 - I take back my taking back if mostdom's right about it just being where they pulled the car out rather then the road they went in from.
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PostPosted: Tue Oct 05, 2010 6:09 pm    Post subject: Reply with quote

The Google directions that mostdom showed are using TeleAtlas mapping, so if there is blame to be spread around, some should be headed in their direction.
TomToms and Google Maps are both going to be suggesting the same route if it's wrong on the TA database.

MS/"Bing" maps use Navteq, and their directions recommend a route which crosses the lake at a much narrower point some way further south. I would assume Garmin would be using Navteq mapping for that area too, so putting their picture on the Sun article is definitely a bit unfortunate.
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PostPosted: Tue Oct 05, 2010 8:51 pm    Post subject: Reply with quote

Has anyone looked at the 855 map to see if the reservoir is shown, and if the route is still offered as viable?
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MaFt
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PostPosted: Tue Oct 05, 2010 10:37 pm    Post subject: Reply with quote

Guivre46 wrote:
Has anyone looked at the 855 map to see if the reservoir is shown, and if the route is still offered as viable?


38.81023,-5.06222

shows it exactly the same as google maps does... i.e. as a 'river' with roads crossing them.

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Guivre46
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PostPosted: Tue Oct 05, 2010 11:45 pm    Post subject: Reply with quote

I've reconsidered my reconsideration of TT's quarterly issuing of map updates. Not amending a change as major as this ie life threatening is beyond incompetent. A lack of respect for the well-being of your customers, to whom you proclaim you are offering a safer travel experience. Though of course there is nothing that says a TT was in use in this particular incident.
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PostPosted: Wed Oct 06, 2010 12:57 am    Post subject: Reply with quote

Darren wrote:
Or it's a road that was consumed by the reservoir?


Flooded road by the looks of it in Google Earth.

A straight line approach so they may have been travelling at open road speed.

It looks like that road is long since submerged (you can see the road in Google Earth) but TeleAtlas maps are out of date.

Unfair of "The Sun" to use a picture of a Garmin - the Navteq maps haven't had that road for years.

Perhaps they will put up a warning barrier and sign if there isn't one already....
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Darren
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PostPosted: Wed Oct 06, 2010 7:35 am    Post subject: Reply with quote

Guivre46 wrote:
I've reconsidered my reconsideration of TT's quarterly issuing of map updates. Not amending a change as major as this ie life threatening is beyond incompetent.

Hardly, I'd be blaming the local authorities. Why would you not fence off or otherwise bar a road that goes straight into a reservoir?

Satnav's are not nor will they ever be definitive maps.
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mostdom
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PostPosted: Wed Oct 06, 2010 8:28 am    Post subject: Reply with quote

Darren wrote:
Satnav's are not nor will they ever be definitive maps.

Agree! As I mentioned earlier, there were a number of possible influences that conspired against the driver resulting in this terrible accident and while the satnav did play it's part, it is not entirely to blame.

You could say it started with the contractors and planners for the dam not informing the relevant authorites about changing the local road layouts, counsils for updating signs and placing warnings and barriers, Ordenance surveys (if they have that sort of thing, which I'm sure they do) not passing on the changes, mapping companies who do have the ability to survey local roads, it being dark, and driver for blindly following the satnav.

And I think you could say in that order too!
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Guivre46
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PostPosted: Wed Oct 06, 2010 8:46 am    Post subject: Reply with quote

Darren wrote:
Hardly, I'd be blaming the local authorities. Why would you not fence off or otherwise bar a road that goes straight into a reservoir?

Satnav's are not nor will they ever be definitive maps.


I agree that the local authorities had the prime responsibility for dealing with a dangerous road. But I was shocked that such a major change, that seems to have been around several years, is not correctly mapped.
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mostdom
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PostPosted: Wed Oct 06, 2010 9:07 am    Post subject: Reply with quote

Just compared the google maps to Bing and MotionX terrain and they are upto date???

I even check the latest navigon maps and they don't show that road anymore.

Does anyone know who google use for mapping info?
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PostPosted: Wed Oct 06, 2010 9:11 am    Post subject: Reply with quote

mostdom wrote:
Does anyone know who google use for mapping info?

Tele Atlas.
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