2009 2010 2013 JMRI Chuck Catania cpcrr@charter.net Suzie Tall suzie_tall@yahoo.co.uk 1 2010-06-01 CFC Initial version 1.1 2013-07-01 ST Added aspect mapping and specific appearances. SPTCO-1930 Double searchlight absolute signal As described in the 1930 version of the "Rules and Regulations of the Transportation Department". Appearances for a two-searchlight signal head without other badging Clear green red Rule 504 ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-2/GrnRed.gif Diverging Clear red green Rule 502 ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-2/RedGrn.gif Approach yellow red Rule 503 ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-2/YelRed.gif Diverging Approach red yellow Rule 502A C ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-2/RedYel.gif Stop red red Rule 501 ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-2/RedRed.gif Dark dark dark ../../../resources/icons/smallschematics/aspects/SPTCO-1930/SL-2/DrkDrk.gif Stop Stop Dark Clear Clear Diverging Clear Approach Clear Diverging Clear Stop Approach Diverging Approach Diverging Clear Clear Diverging Clear Diverging Approach Clear Diverging Clear Branch Clear Clear Diverging Clear Branch Approach Clear Diverging Clear Branch Diverging Clear Diverging Clear