Erroneous live traffic info

BigJohnD · Posted: Mon Nov 24, 2014 5:54 pm Post subject:

I'll keep you posted.

BigJohnD · Posted: Tue Dec 02, 2014 1:49 pm Post subject:

I've had a lengthy dialogue with Inrix.

They have decided to investigate further and their first response is that they reported the location of long term road works incorrectly. Which is possible and positive.

Kremmen · Posted: Tue Dec 02, 2014 4:48 pm Post subject:

... and this is what I believe to be the problem. Yes, there may very well be roadworks on the go for a long time but we are only interested with roadworks that are causing traffic issues.

In my area they are continually 24x7 reporting roadworks that are only active overnight and therefore do not need displaying during the day as they are causing no issues.
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sussamb · Posted: Tue Dec 02, 2014 5:01 pm Post subject:

I sometimes see that but I also get a message saying no delays ... are yours showing delays as well as warning you of the roadworks?
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Andy_P · Posted: Tue Dec 02, 2014 10:16 pm Post subject:

TomTom's traffic system works in a similar way.... Roadworks (and lane closures) are shown as warnings, but if they are not causing any problems, then the delay time is set to zero.

Seems the best of both worlds.
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sussamb · Posted: Tue Dec 02, 2014 11:18 pm Post subject:

Agreed, I'm quite happy with that. Also when I get warnings of an accident but showing no delay Very Happy

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Kremmen · Posted: Wed Dec 03, 2014 6:57 am Post subject:

Yes, it is often accompanied by a no delay message. But, why get a report about cones at the side of the road? Especially if it is at the expense of more relevant info.

However, in west London for example roadworks are all over the place and in my observations via the Garmin 'incident' list feature, the roadworks are in their hundreds in quite a small area.

Via the TA cable the roadworks are not so numerous as the radius of interest seems to be smaller than Smartlink and the normal yellow/red traffic delays are reported, but SmartLink is now a roadworks only reporting tool.

As mentioned by a few now, along the western section of the M25 it is very rare to get any traffic warnings, even when your sat stationary in one on a Friday afternoon/evening.

Trying to get Garmin to acknowledge and investigate has proved fruitless.
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BigJohnD · Posted: Sun Feb 01, 2015 8:23 pm Post subject:

I've had further correspondence with INRIX, and while they're polite, they must think I'm a nutter or something.

I've sent them screenshots of a) roads they say are closed but are not and b) roads they say are open but are not, but they just nod and say that's what they know.

I'm considering taking photos of the locations to show that their info is just plain inaccurate.

There's a planned motorway slipway closure on the route into the Mersey which is scheduled to last some 4 months while a bridge is replaced - it'll be interesting to see what INRIX comes up with as I pass by there often.

BigJohnD · Posted: Thu Mar 26, 2015 12:27 pm Post subject: Success!

After all this time, INRIX have accepted that the road closure position is where I and Liverpool City Council say it is!

BigJohnD · Posted: Thu Jul 07, 2016 2:54 pm Post subject:

Here we go again!

The bridge in the middle of Elland is closed, and has been since the floods last December. It is estimated the re-build will take a year. But INRIX don't seem to know about it and I was directed over it.

http://www.halifaxcourier.co.uk/news/calderdale/work-starts-on-demolishing-elland-bridge-1-7869686

I've emailed them and awaiting a reply.

Meanwhile, their live data about motorway congestion &c. is very good, and on the way home diverted me in good time without increasing the usual journey time over the M62 by very much.

xtraseller · Posted: Sat Jul 09, 2016 9:58 am Post subject:

In my experience if you have a xx98 model then the SmsrtLink traffic is unbeatable for accuracy and content. If you have a xx99 or the new DriveSmart, DriveLuxe or DriveAssist then forget SmartLink for traffic as it is completely broken (sometimes hours of phantom incidents), and rely on the HD traffic which as you say is good but by no means perfect

Pity they just don't get their unit software reading the SmartLink app as it used to - or better still merge their two datasources so either work as well as each other
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BigJohnD · Posted: Sat Jul 09, 2016 10:12 am Post subject:

I have a 2548LMT-D - no Smartlink - live DAB digital info direct from INRIX.

Usually when a road is closed, the location is indicated on the map and an alternative route calculated. Nothing appears for Elland Bridge.

Allan_whoops · Frequent Visitor Joined: Feb 18, 2006 Posts: 369

I have a 2598 and the HD traffic system is improving. It picked up a queue at Hawkhurst traffic lights yesterday afternoon. It never used to go down to that sort of level.

2wheelsgood · Lifetime Member Joined: Dec 20, 2007 Posts: 15

My Garmin unit sometimes does this as well.

Makes it entertaining to sometimes see that the road I am already on is apparently closed but the sat nav is just a tool - we also have to use a little common sense at times. The problem is that the data it uses is driven by a large umber of factors and sometimes one driver will led to an overall false positive.

The reality is that we use the tool, but don't let the tool drive all we do.

BigJohnD · Posted: Mon Jul 11, 2016 10:39 am Post subject: Re: Live or Not?

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