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
Amtrak-2010
Amtrak Northeast Corridor Color Position Light signals
B&O-1957
1957 B&O
Incomplete, not finished.
B&O-1980
1980 B&O CPL and semaphore
B&O-2009
2009 B&O (CSX) Color Position Lights
B&O-Semaphore
1969 B&O Semaphore masts only (works with B&O-2009 CPL)
BN-1989
1989 October Burlington Northern
BNSF-1996
1996 BNSF Railway
BR-2003
2003 BR rule book
CFL-2014
Current info for Luxemburg in 2014
CNJ-1974
Central Railroad of NJ
CROR-2008
2008 Transport Canada TC O-0-93 rule book
CSD-1962-zakladniCSD-1962-cestovaCSD-1962-vlozenaCSD-1962-mechanikySZDC-2015-zakladni
ČSD – Československé státní dráhy – Czechoslovakia signal definition 1962
CSD-1962-zakladni – basic signals – Set 0
CSD-1962-cestova – intermediate signals – Set 1
CSD-1962-vlozena – embedded signals and hump yard signals – Set 2
CSD-1962-mechaniky – mechanical signals – Set 4
SŽDC – Správa železniční dopravní cesty – Czech signal definition 2015
SZDC-2015-zakladni – basic signals – Set 3
CSX-1998
CSX 1998 rule book Rules 281-298
Some errors in aspect mapping, not finished.
CSX-2014-Chessie
CSX 2014 rule book (former Chessie rules)
DB HV 1969
1969 Deutsche Bundesbahn "Einheitsbauform" Home Signal/Distant signal (Hauptsignal/Vorsignal) system revision
Missing aspect mapping, not finished.
GWR-1931
GWR 1931 searchlight signals
InfraBel-2013
Current info for Belgium in 2013 taken from Wikipedia
LMS-1932
Complete LMS speed signalling from 1932-1988
NS-2008
Norfolk Southern Corporation Operating rules book (NORAC)
NW-1981
Norfolk and Western 1981 rule book
NYCS-1937
New York Central System 1937 rule book
Missing aspect mapping, not finished.
NYC-1956
From the New York Central System publication "Rules of the Operating Department, Effective October 28, 1956."
ProRail-1954
1954 Dutch rule book, still in use in the Netherlands
PRR-1956
Pennsylvania Railroad 1956 rule book, including their color position light signals
RG-1965
1965 Rio Grande Rules of the Operating Department
SLSF-1973
1973 SLSF (Frisco) rules
Missing some icons, not finished.
SOU-1981
1981 N&W - Southern Railway
SPTCO-1930
Southern Pacific Railway and Transportation Company 1930 rule book
SPTCO-1960
Southern Pacific Railway and Transportation Company 1960 rule book
SPTCO-1969
Southern Pacific Railway and Transportation Company 1969 rule book
UP-2008
Union Pacific Railroad 2008 rule book
WM-1980
Western Maryland Railroad 1973-1980