[Talk-us] Whole-US Garmin Map (02-10-2010) update

[Mike N.]

Many thanks for this update - it has come in handy many times since the last 
update.   I was about to check with you to see if there was any way to 
update it, but you beat me to it!

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> These are based off of Lambertus's work here:
>
> http://garmin.na1400.info/routable.php
>
> I wrote scripts to joined them myself to lessen the impact of doing a
> large join on Lambertus's server.  I've also cut them in large longitude
> swaths that should fit conveniently on removable media.