2009 2010 JMRI John Lang 1 2013-03-28 JDL Initial version 2 2013-07-10 JDL aspect mapping revisions 2.1 2013-12-30 JDL fixed aspect name reference in appearence files. tweaked aspect mappings 2.2 2015-06-12 JDL added aspect mapping to Held Aspect NYC-1956 Triple searchlight high signal As described in the New York Central System publication "Rules of the Operating Department, Effective October 28, 1956." Appearances for a three-searchlight signalmast Clear green red red Rule 281 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_281.gif Advance Approach Medium green yellow red Rule 281A ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_281A.gif Approach Limited yellow flashgreen red Rule 281B ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_281B.gif Limited Clear red flashgreen red Rule 281C ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_281C.gif Limited-Approach red flashyellow red Rule 281D ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_281D.gif Approach Medium yellow green red Rule 282 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_282.gif Advance Approach yellow yellow red Rule 282A ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_282A.gif Medium Clear red green red Rule 283 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_283.gif Medium-Advance Approach red yellow yellow Rule 283A ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_283A.gif Medium-Approach Slow red yellow green Rule 283B ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_283B.gif Approach Slow yellow red green Rule 284 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_284.gif Approach yellow red red Rule 285 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_285.gif Medium-Approach red yellow red Rule 286 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_286.gif Slow-Clear red red green Rule 287 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_287.gif Restricting red red yellow Rule 290 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_290.gif Stop red red red Rule 292 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Rule_292.gif Held red red red CTC Rules ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-3-high/Held.gif Stop Held Clear Clear Limited Clear Medium Clear Slow-Clear Advance Approach Medium Clear Limited Clear Medium Clear Slow-Clear Approach Limited Clear Limited Clear Medium Clear Slow-Clear Limited Clear Approach Limited Limited-Approach Approach Limited Approach Medium Approach Limited Advance Approach Approach Limited Medium Clear Approach Medium Medium-Advance Approach Medium-Advance Approach Approach Medium Medium-Approach Slow Approach Medium Advance Approach Medium-Advance Approach Approach Slow Approach Medium Advance Approach Medium-Advance Approach Approach Approach Medium Advance Approach Medium-Advance Approach Medium-Approach Approach Medium Advance Approach Medium-Advance Approach Slow-Clear Medium-Approach Slow Approach Slow Restricting Slow-Approach Approach Slow Restricting Medium-Approach Slow Approach Slow Stop and Proceed Limited-Approach Approach Medium-Approach Restricting Stop Limited-Approach Approach Medium-Approach Restricting Held Limited-Approach Approach Medium-Approach Restricting