Is your XM nav traffic correct?
#1
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Is your XM nav traffic correct?
Anyone have issues with their nav traffic? Mine is almost always wrong. it never alerts me of upcomming dead stop traffic jams. it pretty much worthless.
2008 G37S
2008 G37S
#2
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First off since you don't have it as part of your profile, where are you located? The three places where I have used the Nav traffic, Denver, Phoenix, and Orange County area, it has been perfect. Always showed when traffic was at a stand still or slow or congested.
#3
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sorry. i'll fix my profile. i am in so cal. I'm glad to hear your works perfectly. that tells me that i must have a defective unit...
i also want to add that when i try to use the nearby traffic info button i usually get a blank screen with no traffic data. i usually have to press it and exit the screen about 6 times before it displays nearby traffic info...
i also want to add that when i try to use the nearby traffic info button i usually get a blank screen with no traffic data. i usually have to press it and exit the screen about 6 times before it displays nearby traffic info...
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sorry. i'll fix my profile. i am in so cal. I'm glad to hear your works perfectly. that tells me that i must have a defective unit...
i also want to add that when i try to use the nearby traffic info button i usually get a blank screen with no traffic data. i usually have to press it and exit the screen about 6 times before it displays nearby traffic info...
i also want to add that when i try to use the nearby traffic info button i usually get a blank screen with no traffic data. i usually have to press it and exit the screen about 6 times before it displays nearby traffic info...
#6
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The traffic congestion is updated instantly though because those are done through sensors that are located along the highway to tell when traffic gets congested and slows. This is the grean, orange (I think), and red lines that show up next to the highway in each direction.
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#8
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The traffic congestion is updated instantly though because those are done through sensors that are located along the highway to tell when traffic gets congested and slows. This is the grean, orange (I think), and red lines that show up next to the highway in each direction.
#9
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Nav Traffic is updated every 300 seconds (or 5 minutes). You can force an update by going to your "Info" "Traffic Info" and then "Nearby Traffic" TWICE. The first time it'll display from the last update, the second time will force an update. You'll notice it'll start loading up 50+ (if you're in a metro area like LA) on the second spin instead of the usual 5 or 10...
For those of you thinking of a hack for this to make it update every 10 seconds or whatever, hehe... I wish, I'm pretty sure it's regulated satellite side :P
-Nick
For those of you thinking of a hack for this to make it update every 10 seconds or whatever, hehe... I wish, I'm pretty sure it's regulated satellite side :P
-Nick
Last edited by PureNick; 07-01-2008 at 07:07 AM.
#12
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http://www.navteq.com/about/advanced_traffic.html
That's the actual service XM uses to provide their "NavTraffic" customers with traffic updates.
Everything listed there is basically how NavTraffic works. It's really a complex system with a lot of money involved as well as a lot of cameras and satellite traffic monitoring systems in place. It's not just reliant on people calling in and reporting traffic :P
-Nick
That's the actual service XM uses to provide their "NavTraffic" customers with traffic updates.
Everything listed there is basically how NavTraffic works. It's really a complex system with a lot of money involved as well as a lot of cameras and satellite traffic monitoring systems in place. It's not just reliant on people calling in and reporting traffic :P
-Nick
#15
All I know is that when I had XM traffic it was at least an hour behind. It seems about as useful as sigalert.com.
In the Los Angeles area I find am radio more accurate and up to date.
In the Los Angeles area I find am radio more accurate and up to date.