Over the past few years, I've been coming up with ways of modeling various prototype and other traction layouts using O27 track and switches. Here's a sampling of some designs!
Frankford and Delaware Ave loop, Philadelphia:
Inlet carbarn, Atlantic City:
Portland Ave loop, Ventnor:
Douglas Avenue, Margate, NJ:
Longport Loop, Longport, NJ:
Willow Grove Terminal, Philadelphia:
Broad and Olney Terminal, Philadelphia:
A butterfly Grand Union:
And finally, a freelance modular layout:
Hope this inspires someone!
Mitch