20092010JMRI DickBronson BobJacobsen jake@physics.berkeley.edu 1 2010-01-01 DB Initial version 1.1 2011-06-23 DB Added mapping information AAR-2 Double position light high signal As described in the August 1946 version of the AAR publication "American Railway Signaling Principles and Practices", chapter II. Appearances for a two high position light signal Approach Medium yellow green Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-282.gif Advance Approach yellow yellow Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-282A.gif Medium Clear red green Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-283.gif Slow Approach red yellow Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-288.gif Restricting red lunar Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-290.gif Restricting Restricting Clear Medium Clear Approach Medium Advance Approach Approach Medium Advance Approach Medium Clear Medium Clear Approach Medium Approach Advance Approach Approach Medium Slow Clear Slow Approach Slow Approach Slow Approach Permissive Slow Approach Restricting Slow Approach Stop and Proceed Slow Approach Stop Slow Approach