20092010JMRI GregMcCartney gpmccartney@gmail.com 1 2016-07-28 GM Initial version B&O 1980 Color Position Light Permissive High Signals As described in the 1980 version of the Chessie System Operating Rules. Appearances for B&O permissive color position light mast signals. Clear green green dark Page 128 ../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-281.gif Approach Limited yellow green dark Page 129 Signal is identical to Approach Medium except for the addition of a triangle flag on signal mast ../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-282.gif Approach Medium yellow green dark Page 129 ../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-282A.gif Approach Slow red green dark Page 132 ../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-284.gif Approach green yellow dark Page 133 ../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-285.gif Stop and Proceed green red dark Page 138 ../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-291.gif Unlit dark dark dark ../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/unlit.gif Stop and Proceed Stop and Proceed Stop and Proceed Unlit Clear Clear Approach Limited Clear Approach Medium Clear Limited Clear Approach Limited Medium Clear Approach Medium Medium Approach Medium Approach Medium Medium Approach Slow Approach Medium Approach Slow Clear Approach Clear Medium Approach Approach Medium Slow Approach Slow Approach Slow Slow Approach Approach Slow Restricting Approach Stop and Proceed Approach Stop and Proceed Medium Approach Stop Approach