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BobFromBoston · #1 (**permalink**) 01-08-2006

Greetings,

I have a stream of GPS locations, with travel speed, coming in from a handful of drivers, but would like to know the posted speed on the road they are on.

Does anyone know how to get the road information associated with a coordinate, such that I can get the posted speed on that particular stretch of road?

Thanks,
Bob

PS I use C#, but could convert from VB.

Dazzer · #2 (**permalink**) 01-09-2006

I may be wrong about this and perhaps someone else can confirm it but i'm not sure that Mappoint actually contains the speedlimit of every road. I think i'm right in saying that it has avarage speed for certain types of road (highway, street etc...) but not an actual speed limit.

**Eric Frost** · #3 (**permalink**) 01-09-2006

That is my understanding as well. MapPoint has the type of the roads but not the actual speed limit.

I believe I have have heard that the data provider captures this for the Guidance systems. You might try contacting Navteq to see if they have something that is in your budget.

Eric

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Getting the speed limit at a particular coordinate

Getting the speed limit at a particular coordinate

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