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Trouble with Service Area polygon size

Question asked by stevetaylor82 on Aug 29, 2012
Latest reply on Aug 31, 2012 by stevetaylor82
Hello,

I've had a look at previous threads discussing this issue but the solutions suggested on those threads have not seemed to help with the problem I have.

I have set the Service Area Polygons to distances of 5, 10 and 20 miles from my locations (using the equivalent number of meters - 8047m, 16093m, 32187m) but the result is confusing. As you can see in the picture there is very little difference between the 5mile and 10mile polygon in the North-East direction despite roads existing there.  Also I measured the 20 mile polygon distance using the green route (applied to the same network) but the route measures 12.5miles yet reaches the edge of the 20mile polygon boundary?

[ATTACH=CONFIG]17312[/ATTACH]

Can anyone explain why this is? In previous threads creating a route on the network was suggested to identify broken links but in this case the route is fine but the service area is incorrect?

Thanks for your time,

Steve.

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