20092010JMRI DavidBaker 1 2010-01-01 DB Initial version 1.1 2011-06-24 DB Added mapping information 2.0 2015-04-26 DB Fixing general items after I got a 1949 rule book NW-1949 Double position light high absolute signal As described in the Norfolk and Western Railway Company March 1949, Rules and Regulations for the Government of the Operating Department: Diagrams of Signal Aspects Appearances for a two high position light signal Clear green dark Page 101 ../../../resources/icons/smallschematics/aspects/NW-1949/PL-2-high/rule-281.gif Approach Medium yellow green Page 102 ../../../resources/icons/smallschematics/aspects/NW-1949/PL-2-high/rule-282.gif Advance Approach yellow yellow Page 103 ../../../resources/icons/smallschematics/aspects/NW-1949/PL-2-high/rule-282A.gif Medium Clear red green Page 104 ../../../resources/icons/smallschematics/aspects/NW-1949/PL-2-high/rule-283.gif Approach yellow dark Page 105 ../../../resources/icons/smallschematics/aspects/NW-1949/PL-2-high/rule-285.gif Restricting red lunar Page 107 ../../../resources/icons/smallschematics/aspects/NW-1949/PL-2-high/rule-290.gif Medium Approach red yellow Page 55 ../../../resources/icons/smallschematics/aspects/NW-1949/PL-2-high/rule-286.gif Stop and Stay red red Page 55 ../../../resources/icons/smallschematics/aspects/NW-1949/PL-2-high/rule-292.gif Stop and Stay Stop and Stay Clear Clear Medium Clear Approach Medium Advance Approach Approach Medium Advance Approach Clear Medium Clear Medium Clear Approach Medium Approach Advance Approach Medium Approach Restricting Approach Stop and Proceed Approach Medium Approach Stop and Stay Approach Medium Approach