If you have not already seen the post on the three rail forum, click on this link and read about Bob Bartizek's wonderful Pennslyvania and Western Railway. Since "Model Railroad Hobbyist" is a strictly digital magazine, there are 28 fantastic pictures in the article.
http://mrhpub.com/2014-03-mar/land/#96
Keeping on with a great month of O scale layouts, Herm Botsow's Buckeye Railroad is featured in two articles in the April 2014 issue of "Model Railroader".
http://mrr.trains.com/issues/2014/april-2014
Both layouts are designed for proto-op operation, and both have articles written around that activity.
What these gentlemen accomplish is nothing short of phenomenal. Great examples of what can accomplished when working in the basement, instead of sitting in front of the tube. I think Herm is on his 4th layout, and his last one was a winner too.
Regards,
Jerry