basemap garmin world routable


a world routable basemap has all the earths -- city's, highway's and ferry's -and will autoroute anywhere-
except across bodys of water without ferry service--

on your gps --if you browse to a destination thousands of miles away from where you are and click go- the basemap will autoroute you from the nearest highway-at you present location to the place on a highway closest to your destination---

if you have a detailed autoroute map also installed (like CNNA) it will use the detailed map -for the areas it covers then the basemap to autoroute you thru areas that the detailed map doesn't cover-

if you are using topo's only -and if they are non-routable---a world routable basemap will give them a routable form..
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copy your basemap (gmapbmap.img) from the garmin directory of your gps ------------------
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v2 -autoroute for -- oregon, dakota and colorado -- but will work on most garmin's---104mb-----------"try this one"
Spoiler: CLICK
[Only registered and activated users can see links. ]

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not routable--this little one is the one garmin supplies with some of its gps's (nuvi 270)---will work on all Garmin's-- 31mb
Spoiler: CLICK
[Only registered and activated users can see links. ]