2009 2010 JMRI John Lang 1 2013-04-01 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 Double searchlight high permissive signal As described in the New York Central System publication "Rules of the Operating Department, Effective October 28, 1956." Appearances for a two-searchlight signal head without other badging Clear green red Rule 281 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-2-high-per/Rule_281.gif Advance Approach Medium green yellow Rule 281A ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-2-high-per/Rule_281A.gif Approach Limited yellow flashgreen Rule 281B ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-2-high-per/Rule_281B.gif Approach Medium yellow green Rule 282 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-2-high-per/Rule_282.gif Advance Approach yellow yellow Rule 282A ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-2-high-per/Rule_282A.gif Approach yellow red Rule 285 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-2-high-per/Rule_285.gif Restricting red yellow Rule 290 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-2-high-per/Rule_290.gif Stop and Proceed red red Rule 291 ../../../resources/icons/smallschematics/aspects/NYC-1956/SL-2-high-per/Rule_291.gif Stop and Proceed Stop and Proceed Clear Clear Advance Approach Medium Clear Approach Limited Clear Limited Clear Approach Limited Limited-Approach Approach Limited Approach Medium Approach Limited Advance Approach Approach Limited Medium Clear Approach Medium Medium-Advance Approach Approach Medium Medium-Approach Slow Approach Medium Approach Slow Approach Medium Approach Approach Medium Advance Approach Medium-Approach Approach Medium Slow-Clear Advance Approach Slow-Approach Advance Approach Restricting Advance Approach Stop and Proceed Approach Restricting Stop Approach Restricting Held Approach Restricting