This thread has me thinking that my small 10’x12’ layout (it is an around the wall square donut with a wide duckunder that is 24" deep) is a tiny branchline that could only serve a few businesses. And interestingly enough, my layout has only 3 sidings and 5 turnouts, so I guess it all makes sense.
I went with the duckunder because I wanted the continuous run. My actual track height with risers at its lowest elevation sits at 52" high so access underneath the benchwork isn’t a back breaker.
DOG