Continually ordering AI units out of my territory is tedious (can't it be automated?) and occasionally a unit will be transferred across my lands to the far side when I do so.  Now I've seen the AI build roads across my territory to link up their outposts and towns (before I had roads) which allow their units to rapidly cross my lands before I  can order them out.  This is crazy, why would I allow an AI to build roads freely across my lands? Even after I destroy the offending outpost the roads remain. This needs to be addressed.