I have hunted the unit during late deer season and can tell you that you definitely need to be careful on the trail and road ideas you have. I would call a game warden or sheriff and ask them about the roads and trails you had in mind. There are some access trails but those are usually marked...
My wife and I will be out for a quick hunt over the weekend hunting around the VLA area. We have been through the area several times on the way to the gila but do not have a lot of first hand knowledge of the area. I was hoping to get some advice from anyone that has maybe hunted the area...