Green highway signs, also called guide signs, are everywhere, and we pass them by without much thought. But their design has ...

Even without GPS you can stay oriented and drive confidently on unfamiliar highways and byways to get where you're going.

Dear Readers: Here’s a column originally published in 2012. Dear Johnnie: A couple of questions I’ve wondered about while driving on road trips — Question 1: You pass a highway sign stating the ...