JMRI: Signal System Definitions

JMRI provides a number of definitions for signal systems via this directory.

For more information, please see the JMRI help page on aspect-based signaling.

The available definitions include:

basic

A non-prototypical set of aspects and appearances that most model railroaders will understand easily.

AAR-1946

American Association of Railroads 1946 rule book

NYCS-1937

New York Central System 1937 rule book

SPTCO-1960

Southern Pacific Railway and Transportation Company 1960 rule book

DB HV 1969

1969 Deutsche Bundesbahn "Einheitsbauform" Home Signal/Distant signal (Hauptsignal/Vorsignal) system revision

SLSF-1973

1973 SLSF (Frisco) rules

BR-2003

2003 BR rule book

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