Follow along with experienced model railroader Dave Abeles as he delves into signal systems and interlocking plants. Guide to Signals and Interlockings, the newest book from Model Railroader, will give the reader all the information they will need to tackle this complex project with confidence.This 144-page book includes:Explanation of how signal systems workHow different systems can be applied to layoutsDetail on both automatic and more complex systemsMost up-to-date methods for replicating these systemsAnd more!Great for modeler’s who are bui