Thank you, Joe, Mike, Jeff, Richie!
Joe, I have read of other places that have spot on clearance, so to speak.
Yes indeed, if you had a bunch of trained beavers, they could do a lot of good on a railroad. Trouble is where do you find trained ones. 
I had better check the structural integrity of the house!
One thing, this will be hidden from view except when I remove the town, so I didn't care how choppy it looks. The angle was really bad for using the Dremel or rasp.
Richie, I think I have seen that car before here; maybe it was yours. I would like to find one. We have the squirrels that the dog chases. I have a door and he has a door, thus this:
