Originally Posted by andrewclaus

The turns generated by Google are excessive. Note that many of the decisions are hundreds of feet apart, on marked bike trails. The last two dozen lines or so tell you to stay on the Lakefront Trail. There's even a helpful hint in there about taking a pedestrian tunnel. At least there's only one ad in there, for some auto parts.

A friend gave me an app-generated cue sheet for cycling from Phoenix to Tucson, a hundred or so lines long, roughly half of which told me how to get under every bike path underpass on a well-marked bike trail in Tucson. A state map told me the six turns I really needed to make.