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Navidrive: fast route vs time/distance
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Chris Burmajster   
Sat Apr 20 2013, 06:02pm

Joined: Apr 03 2010
Member No: #81
Location: South East
 Does anybody know what the difference is between selecting fast route and time/distance route is? Is time/distance only for multiple destinations?

Thanks.
C6Dave   
Sun Apr 21 2013, 06:28am


Joined: Oct 01 2009
Member No: #1
Location: Northumberland
 Fastest route looks at the speed limits on a route and picks roads with the highest limits but not necessarily the shortest mileage
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Chris Burmajster   
Sun Apr 21 2013, 03:06pm

Joined: Apr 03 2010
Member No: #81
Location: South East
C6Dave wrote ...

Fastest route looks at the speed limits on a route and picks roads with the highest limits but not necessarily the shortest mileage


Thanks, Dave, but what does time/distance do? So far, I have always used fastest route, but I'm just curious what time/distance does.
ciao_chao   
Wed Apr 24 2013, 01:58pm
No Longer Active
time/distance algorithm tries to balance the distance travelled and time taken.

What navidrive doesn't account for is things like time at junctions, regular traffic issues (e.g. school run/rush hour/bottle necks), and that goes for both the Fastest Route and time/distance algorithms. The problem is that Shortest Route takes it quite literally as the shortest distance between points A and B. None of the algorithms particularly can deal with a fast route via back roads.

I think the Navidrive AI is a little dim-witted so it can't really figure out the real ideal route however you try to program it. So best set it to time/distance and use it as a rough guide, especially at peak times.
Chris Burmajster   
Wed Apr 24 2013, 04:53pm

Joined: Apr 03 2010
Member No: #81
Location: South East
 Thanks for that info. I was just curious as to what it does, as my Tom Tom doesn't have such a choice. I think that I'll stick to fast route, as it seems to work well and will always offer to re-route me via TMC if there are problems ahead.
 

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