Photo Gallery Take a closer look at the Sierra Pacific Lines! Click the photos for larger versions. This is the first view most visitors get of the Sierra Pacific Lines (not the whole thing, but as much as we could squeeze in without a fisheye lens). At 70’x72′ and 5,000 square feet, the Sierra Pacific Lines is one of the largest HO scale layouts in the world. Midway, the center point on the railroad. The long lens makes the yard appear smaller than it is — count the cars to get some idea of its true size. Members of the public can see the Sierra Pacific Lines in action at our semi-annual Open House. Our California-themed scenery includes some of the state’s more notorious residents. Though the club is 75 years old, we’re constantly building and modifying. Here, the new harbor area is under construction. Echo is the Sierra Pacific’s biggest city. With long trains and a 2% ruling grade, trains on the Sierra Pacific require lots of power on the head end. A look at the diesel service facility. The layout hosts over 200 locomotives and approximately 2,000 freight and passenger cars. Equipment from all eras and areas mingle on the Sierra Pacific Lines.