yes...some might be the actual most recent trail and some of it backtracking over a previous/slightly less recent trail...which makes sense why there would be such an illogical path....if one was overlaid over the other...then what part would be left?
Here's JWG's map of the search dog trail for comparison to the bus stop route:
http://www.websleuths.com/forums/picture.php?albumid=768&pictureid=6213