Building Bay JunctionBy Dana Kawala, senior editorPart one: The track plan, benchwork idea, and a tour of our staff-built HO scale layout pg. 40 A modelers guide to USRA locomotivesBy Andy SperandeoThese standardized engines served on many railroads pg. 48 Diamond stacks in the desertBy Allan WallaceThis detailed HO layout depicts railroading in the late 1800s pg. 54 Operate turnouts with RC servo motorsBy Jim LomisonRadio control components make an inexpensive alternative pg. 62 How to model modern roofsBy Lance MindheimThree easy techniques for making realistic flat-roof structures pg. 64 A plan for passenger operationsBy Stan SweattThe freelanced Metropolitan Union Passenger Terminal pg. 72 Add wear and tear to a steel gondolaBy Tony KoesterThey don’t look new for long, so your models shouldn’t either pg. 75 Model an N scale demolished houseBy Al SkinnerUse scrap pieces from old laser-cut wood kits pg. 76