NAVIGATION CHANGED

JohnBoy59 · Regular Visitor Joined: Feb 21, 2005 Posts: 120

Since installing 5.1 two of my regular routes have changed dramatically - unfortunately the routes are neither shortest or fastest and completely ignor the obvious, straightest route.

Anyone got any theories?
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lbendlin · Posted: Mon May 23, 2005 12:40 pm Post subject:

If you can, please post the start and end points of the route.
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Lutz

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JohnBoy59 · Regular Visitor Joined: Feb 21, 2005 Posts: 120

RH10 7NB to RH20 2TB

I used to be routed via the A264 and A29

Now I'm routed B2110, A281, A272 and A29

Longer in distance and time...

Puzzled!
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Life's a bitch... then I met Jane...

MrRubberGloves · Posted: Mon May 23, 2005 2:37 pm Post subject:

On quickert I got...
Matthews Drive
Pallington Drive
Lucerne Drive
M23 x 3
M23 J11
A264/M23/J11
A264
A264 Horsham Road
A264 Crawley Road
A264 x 2
A24 x 2
Unnamed Road
A264 x 2
A264 Five Oaks Road
A29 Stane Road
A29 x 2
A29 Stane Road
New Place Road
Cousins Way, Pulborough.

0.49 hours - 27.4 miles.

On shortest I get...

GC, Maidenhead
Matthews Drive
Billinton Drive
A2220 Haslett Avenue
Three Bridges Road
A2220 Haslett Avenue
A2220 Southgate
A2220 Station Way x 3
A2219 Brighton Road
Springfield Road
West Street
A2220 Horsham Road x 4
A264 Horsham Road
A264 Crawley Road
A264 x 2
A24 x 2
Unnamed Road
A264 x 2
A264 Five Oaks Road
A29 Stane Road
High Street
Stane Road
A29 Stane Road
New Place Road
Cousins Way, Pulborough.

0.57 hrs - 22.5 miles.

oldbwl · Occasional Visitor Joined: Oct 24, 2003 Posts: 12

I use the TTG300 v5.20. Routing normally is spot on , but I live in a semi rural area, here the TTG300 tries ever so hard to route me down single car width country lanes - the speed you can go is never more than 10mph down these. Running the demo of the route TTG accelerates at this point to 49mph, lethal, if you drove like thast you'd be dead in no time! Laughing Out Loud

Try CF373PE to CF105ZA. It immediately goes right in to Rock Terrace, which after 200 yards is almost impassible rather than staying on the 2 lane B road. Running the demo of the route TTG accelerates at this point to 49mph, lethal, if you drove like that you'd be dead in no time! Laughing Out Loud

. Many of my local journies do this. It is almost as if it it is choosing the shortest route in preference to my setting of quickest.

In my local area it is not such a problem, but when I was on hols recently it did make me a bit nervous as to which route it would take.

Oldboy · Posted: Wed Jun 22, 2005 6:41 am Post subject:

It sounds like it's one of those cases where the wrong speed tag has been put on the road by TeleAtlas. Because of this TT sees this as a quick road and therfore shortest in time.
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Richard

TT 910 V7.903: Europe Map v1045
TT Via 135 App 12.075: Europe Map v1140

oldbwl · Occasional Visitor Joined: Oct 24, 2003 Posts: 12

It occurs to me how useful it would be to be able to change that speed tag on roads. This would enable you to add local inteligence, where you know that despite it being an A road, because it is in a major shopping area it is limited to 25% of the normal limit for that designation - when you normally use it.

The route would then perhaps avoid it.

lbendlin · Posted: Wed Jun 22, 2005 10:29 pm Post subject:

You wouldn't want to put TeleAtlas and Navteq out of their job, would you? 8)
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Lutz

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xda · Posted: Wed Jun 22, 2005 10:39 pm Post subject:

Judging by the quality of their latest map updates, they don't appear to be doing their job anyway.
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Graham.
TT Go720, App:9.510(1234792.1) OS:842337
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BrummyGit · Regular Visitor Joined: May 19, 2004 Posts: 113

Wouldn't it be good if a SatNav vendor could build a way for us to map roads for them - or maybe enhance the existing data. It would give the most up-to-date information for them, could reky on multiple users mapping the same thing to ensure accuracy and the data collected would have a significant commercial value.

Imagine how much TomTom could charge teleatlas and navteq to provide mapping updates to their existing data. They could even start to collect the Southern Ireland road network Rolling Eyes

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