Level 5 assistance needed in North East Ohio

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Re: Level 5 assistance needed in North East Ohio

Postby kuduboet » Fri Jan 18, 2013 12:54 pm

So here it is, and as you can see Waze wanted to go left, I stayed right and interestingly it shows my route as staying to the right. But Waze definitely thought I was in the express lanes as it also prompted me 5 miles later to move back over to the right to get into the local lanes for my upcoming exit, so it must be a logic thing, as Waze actually could see I didn't follow it's path but never "recalculated" and adjusted the route based on my staying right in the local lanes?

https://www.waze.com/editor/?zoom=5&lat ... TTTTTTTTFT
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Re: Level 5 assistance needed in North East Ohio

Postby MisterMooCow » Thu Jan 17, 2013 6:50 pm

kuduboet wrote:Okay, so I tested this this morning running both Waze and Apple Maps at the same


Did you report a map issue (in app) that captured your track? If so, please post a permalink so that we can all take a look.
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Re: Level 5 assistance needed in North East Ohio

Postby kuduboet » Thu Jan 17, 2013 6:23 pm

Okay, so I tested this this morning running both Waze and Apple Maps at the same and Apple Maps clearly followed my in the local lanes whereas Waze dove over into the express lanes, although I didn't actually go there. The one thing I noticed on the maps is the local lanes in Apple Maps had a pretty good gap between them and the express lanes in the middle, which is the dirt between them, whereas Waze showed them virtually next to each other and maybe that's part of the issue.

Anyone else have any ideas or comments?
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Re: Level 5 assistance needed in North East Ohio

Postby MisterMooCow » Tue Jan 15, 2013 4:25 pm

kuduboet wrote: I tested it with my Garmin today and the Garmin clearly stayed in the local lanes and when I was being navigated, Waze "drifted" into the express lanes but when I was later driving with Waze, but not navigating, it showed me staying in the local lanes. So to me it confirms it is some sort of logic issue with Waze when navigating, not an accuracy issue.


Sorry, I meant another GPS app on the same device that is running Waze. I have no doubt that GPS is accurate enough to make a distinction (when using a good receiver, with good ephemeral data, a good antenna, good antenna orientation, and good satellite visibility). But a GPS receiver in a phone with obscured satellite visibility and who-knows-how-much latency in calculations vs. rendering (plus whatever other tradeoffs the manufacturer made in order to cram that much functionality into what is primarily a communication device)-- maybe not (or maybe not, given the variability of RF equipment, on a specific unit at a specific point in time/space).

Note that the satellites are always moving, so to even begin to compare receivers you'd need to be at the same place at the same time and in the same vehicle with the antennas in the same place/orientation, etc. That's why running another app on the same device at (roughly) the same time would help pinpoint the source of error(s) in this situation.
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Re: Level 5 assistance needed in North East Ohio

Postby kuduboet » Tue Jan 15, 2013 3:56 pm

Funny you asked that, another sent me a PM questioning whether or not civilian GPS could be accurate enough to see the difference. I tested it with my Garmin today and the Garmin clearly stayed in the local lanes and when I was being navigated, Waze "drifted" into the express lanes but when I was later driving with Waze, but not navigating, it showed me staying in the local lanes. So to me it confirms it is some sort of logic issue with Waze when navigating, not an accuracy issue.
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Re: Level 5 assistance needed in North East Ohio

Postby MisterMooCow » Mon Jan 14, 2013 9:04 pm

Have you tried the same routes in other mapping apps (to rule out any GPS irregularities)?

The next time this happens, can you report a map issue so that it will capture your track?
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Level 5 assistance needed in North East Ohio

Postby kuduboet » Fri Feb 01, 2013 9:05 pm

Okay, so here is a permalink to the local lanes/express lanes issue.

https://www.waze.com/editor/?zoom=5&lat ... s=62300502

I was able to capture it today, finally. So south of this about 6 miles it told me to go left to get in to the express lanes but I didn't, I stayed in the local lanes. As you can see from the traces, it did identify that I stayed in the local lanes, but at this point it still told me to go right to get back into the local lanes despite the fact that I was already there.

I can ignore the incorrect instructions, my question is if I had marked a vehicle on the shoulder during this period, would it have shown and been applied to the local lanes or the express lanes? Not sure what is going on here. Thanks.


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Level 5 assistance needed in North East Ohio

Postby kuduboet » Tue Jan 29, 2013 1:31 am

I'll definitely give it a try, I don't think I changed that so I think 3D is the default view. Will report back tomorrow with findings/opinion. Thanks.


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Level 5 assistance needed in North East Ohio

Postby kuduboet » Sun Jan 27, 2013 5:23 pm

Maybe a Waze Champ can chime in just so we know on the resolution issue. Dare I say the other map apps I have like Google, Apple, TeleNav all show the lanes as distinctly different choices so the mobile devices can handle that resolution, maybe it has to do with limited data transfer or something.


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Level 5 assistance needed in North East Ohio

Postby kuduboet » Sat Jan 19, 2013 5:21 pm

Got it, thanks for the clarification.


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