As after the expansion is completed, there won’t be any other work along these lines, and as the original layout matures, the next project up will be details. Details on buildings, such as electric meters, gas meters, exhaust vents on some of the industrial buildings, perhaps some other detail parts from JL Innovative. One other detail: more vehicles. All this of course depending on finances. Several manufacturers have been looked at as far as these detail parts. The vehicles would come one or two at a time. Finally, a friend of mine and fellow modeler who models CSX in Ohio has given me several suggestions for the concrete base and roof on my latest building project, two spray paints by Rustoleum as shown below:
Penn Central Hitop Secondary Model Railroad 