2009 2010 2024 2026 JMRI John Purcell 1.0 2024-11-14 JDP Initial release for use in new "basic-enhanced" signal system 2.0 2026-01-30 BJ added alternate color-distinguished icon set basic-enhanced Triple searchlight high signal (similar to basic signals described in various magazine articles) A three-headed signal inspired by masts used in the "basic" signal system. This mast adds a third head and an Advanced Approach appearance. This mast can be used where two divergent paths exist (e.g. two turnouts) that are too close to be signaled by separate masts. Clear green red red ../../../resources/icons/smallschematics/aspects/AAR-1946/SL-3-high/rule-281.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-G-R-R.gif Approach yellow red red ../../../resources/icons/smallschematics/aspects/AAR-1946/SL-3-high/rule-285.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-Y-R-R.gif Advanced Approach flashyellow red red ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-FY-R-R-animated.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-FY-R-R-static.gif Stop red red red ../../../resources/icons/smallschematics/aspects/AAR-1946/SL-3-high/rule-292.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-R-R.gif Diverging Clear red green red ../../../resources/icons/smallschematics/aspects/AAR-1946/SL-3-high/rule-283.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-G-R.gif Secondary Diverging Clear red red green ../../../resources/icons/smallschematics/aspects/AAR-1946/SL-3-high/rule-287.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-R-G.gif Diverging Approach red yellow red ../../../resources/icons/smallschematics/aspects/AAR-1946/SL-3-high/rule-286.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-Y-R.gif Diverging Advanced Approach red flashyellow red ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-FY-R-animated.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-FY-R-static.gif Secondary Diverging Approach red red yellow ../../../resources/icons/smallschematics/aspects/AAR-1946/SL-3-high/rule-290.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-R-Y.gif Secondary Diverging Advanced Approach red red flashyellow ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-R-FY-animated.gif ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-R-R-FY-static.gif Unlit dark dark dark ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-dark.gif Stop Stop ../../../resources/icons/smallschematics/aspects/basic-enhanced/SL-3-high/SL-3-high-held.gif Unlit Stop Approach Diverging Approach Secondary Diverging Approach Approach Advanced Approach Diverging Advanced Approach Secondary Diverging Advanced Approach Advanced Approach Clear Diverging Clear Secondary Diverging Clear Diverging Approach Advanced Approach Diverging Advanced Approach Secondary Diverging Advanced Approach Secondary Diverging Approach Advanced Approach Diverging Advanced Approach Secondary Diverging Advanced Approach Diverging Advanced Approach Clear Diverging Clear Secondary Diverging Clear Secondary Diverging Advanced Approach Clear Diverging Clear Secondary Diverging Clear Clear Clear Diverging Clear Secondary Diverging Clear Diverging Clear Clear Diverging Clear Secondary Diverging Clear Secondary Diverging Clear Clear Diverging Clear Secondary Diverging Clear