2009 2010 2013 JMRI Chuck Catania cpcrr@charter.net Suzie Tall suzie_tall@yahoo.co.uk Dave Sand dave@sandsys.org 1 2010-06-01 CFC Initial version 1.1 2013-07-01 ST Added aspect mapping and specific appearances. 1.2 2015-02-06 DS Added Diverging Clear, Branch Clear SPTCO-1930 Triple searchlight absolute signal As described in the 1930 version of the "Rules and Regulations of the Transportation Department". Appearances for a three-searchlight signal head without other badging Clear green red red Rule 504 ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/GrnRedRed.gif Diverging Clear red green red Rule 502 ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/RedGrnRed.gif Approach yellow red red Rule 503 ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/YelRedRed.gif Diverging Approach red yellow red Rule 502A ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/RedYelRed.gif Branch Clear red red green Rule 502C ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/RedRedGrn.gif Branch Approach red red yellow Rule 503A ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/RedRedYel.gif Branch Diverging red yellow yellow Rule 503B ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/RedYelYel.gif Stop red red red Rule 501 ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/RedRedRed.gif Dark dark dark dark ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-3/DrkDrkDrk.gif Stop Stop Dark Clear Clear Diverging Clear Branch Clear Branch Diverging Approach Clear Diverging Clear Branch Clear Stop Approach Diverging Approach Branch Approach Branch Diverging Diverging Clear Clear Diverging Clear Branch Clear Diverging Approach Clear Diverging Clear Branch Clear Branch Clear Clear Diverging Clear Branch Approach Clear Diverging Clear Branch Diverging Clear Diverging Clear