Railway Signaling Technical and Historical Society


Richard NapperĀ renapper [at] centurylink.net

Railway-Signalling [at] yahoogroups.com (Contact the SIG)

This SIG studies railway signaling and operations, including: the historic and present day methods, equipment, devices, wiring and modeling simulations / applications. The members share interests including: interlocking and signal system rules and operation, signal and track charts, signal and machine hardware collecting, studying prototype towers and operations and replicating them accurately for model railroad applications and usage.