2010 2016 JMRI Suzie Tall suzie_tall@yahoo.co.uk 1.0 2016-12-02 ST Initial Version 1.1 2019-12-30 BM Remove ourAspect values which cannot be displayed by this mast type 2 2020-03-05 GM Initial version of the 1980 C&O Signal rules. This set was created by back dating the CSX-2014-Chessie rule set created by Suzi Tall. Back dating required removal of some aspects and altering the mapping to compensate for their removal. While based on the 1980 rule book, they are the same rules that were in affect in 1969. C&O 1980 2 Head Searchlight Dwarf Signal As described in the 1980 version of the Chessie System Operating Rules "Signal Rules - 281-292". Appearances for a double head dwarf without other badging Clear green green Rule 281 ../../../resources/icons/smallschematics/aspects/CO1980/CO-33-dwarf/rule-281.gif Slow Clear green red Rule 287 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-lo/rule-C1287.gif Slow Approach yellow red Rule 288 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-lo/rule-C1288.gif Restricting red yellow Rule 290 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-lo/rule-C1290.gif Stop red red Rule 292 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-lo/rule-C1292.gif Unlit dark dark - ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-lo/CO-3-3-lo.gif Stop Restricting Stop Unlit Clear Clear Slow Clear Restricting Approach Medium Clear Slow Clear Restricting Medium Clear Slow Approach Restricting Medium Approach Slow Slow Approach Restricting Approach Slow Clear Slow Clear Restricting Approach Clear Slow Clear Restricting Medium Approach Slow Approach Restricting Slow Clear Slow Approach Restricting Slow Approach Slow Approach Restricting Restricting Slow Approach Restricting Stop and Proceed Slow Approach Restricting Stop Slow Approach Restricting