Map/Road Obesssion

So at 4 year old, Josh is extremely interested in where we are going, how we are getting there and what roads are we taking. He is constantly asking road names and instantly knows if we are taking a different route than normal. This morning I woke up to Josh walking around the house with a map that Mark had printed the evening before, on a destination where only he knew where he was going. He walks into my room with the map in hands, "oh look mom, there is 88".... "Now I need to find 54." and on his way he went.