We built fourwheeler trails at the land we used to hunt and it did make for a great enter/exit. And after about a year, the deer used the fourwheeler trails just as much if not more than regular deer trails.
We've made passes in the thick stuff with 4 wheelers and made sure that it was knocked down real good and low and behold they've been using them from the start.... We make the trail go where we want them to go lol.... Has been working pretty good so far....