20092010JMRI DickBronson BobJacobsen jake@physics.berkeley.edu 1 2010-01-01 DB Initial version 1.1 2011-06-23 DB Added mapping information 1.2 2023-02-21 BM Removed duplicate mappings. Added some missing mappings. AAR 1946 Position light dwarf signal As described in the August 1946 version of the AAR publication "American Railway Signaling Principles and Practices", chapter II. Appearances for a dwarf position light signal head without other badging Slow Clear green Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-1-low/rule-287.gif Slow Approach green Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-1-low/rule-288.gif Restricting yellow Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-1-low/rule-290.gif Stop red Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-1-low/rule-292.gif Stop Stop Slow Clear Slow Clear Approach Medium Slow Clear Advance Approach Slow Clear Medium Clear Slow Clear Slow Approach Slow Clear Permissive Slow Approach Restricting Slow Approach Stop and Proceed Slow Approach Stop and Proceed Medium Slow Approach Restricting Stop Slow Approach Advance Approach Medium Slow Clear Slow Approach Restricting Approach Slow Clear Slow Approach Restricting Approach Limited Slow Clear Slow Approach Restricting Approach Slow Slow Clear Slow Approach Restricting Clear Slow Clear Slow Approach Restricting Clear Alt Slow Clear Slow Approach Restricting Limited Clear Slow Clear Slow Approach Restricting Medium Advance Approach Slow Clear Slow Approach Restricting Medium Approach Slow Clear Slow Approach Restricting Medium Approach Slow Slow Clear Slow Approach Restricting Permissive Medium Slow Approach Restricting