I agree, google maps on iPhone has taken us on goat trails (literally and figuratively) and caused not a little friction between driver (me) and navigator(wife).
therefore, a lot of the GPS purpose was related to friction reduction , wife happiness and lengthening of lifespan (mine). ha
I should call a guy I know who works for Garmin (I used to live in Olathe,KS) and see if he can explain how the algorithms work.
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Dick KE0ME
Pam
Gandalf the White (miniature Schnauzer)
2014 Silverado 2500
currently don't own an RV
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