031 curves allowed me to add three rail to my 2 rail layout. The only space available to add a right of way was out side of my 0144 two rail curves. So any 3 rail trains would be running on a 0156 centerline. Nice!
Problem: No place to go. W/O the small curve loops at each end there would be no 3 rail. So I am using MTH Rail King locomotives to run along 58' of walls on very wide curves then disappear into yet to be build mountains on eased tight curves.
South loopNorth loopPop up access inside mountainFrame work and wiring