> I'm looking for a solution to draw 2,000 gDirection calls on the same
> map using begin and ending zip codes.

Why?  What benefit would there be to the viewer, over an ordinary road
map?

> To speed up this process is it possible to process the 2,000
> gdirections  and store the polyline coords to a text file.  Then just
> have the map draw the polylines from the coords in the text file.

Yes, it's possible.  You should consult the terms of use to see if it
is allowed (I think it is - temporarily).  You might want to
periodically repeat anyway, as driving routes do change.

> Does anyone have a sample of converting gdirections to coords and then
> drawing a polyline with the api from those coords.
http://econym.org.uk/gmap/steps.htm

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