2010 2016 JMRI Suzie Tall suzie_tall@yahoo.co.uk 1.0 2016-12-02 ST Initial Version 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 3-1 head lower marker permissive high signal RYG-G - short block As described in the 1980 version of the Chessie System Operating Rules "Signal Rules - 281-292". Appearances for a permissive double 3-1 lamp signal head mast with green lamp on lower head and a number plate Clear green dark Rule 281 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1g-hi/rule-C1281.gif Approach Medium yellow green Rule 282 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1g-hi/rule-C1282.gif Medium Clear red green Rule 283 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1g-hi/rule-C1283.gif Approach yellow dark Rule 285 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1g-hi/rule-C1285.gif Stop and Proceed red dark Rule 291 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1g-hi/rule-C1291.gif Unlit dark dark - ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1g-hi/CO-3-1g-hi.gif Stop and Proceed Stop and Proceed Stop and Proceed Unlit Clear Clear Medium Clear Approach Medium Clear Medium Clear Medium Clear Approach Medium Medium Approach Slow Approach Medium Approach Slow Approach Medium Approach Approach Medium Medium Approach Approach Medium Slow Clear Approach Slow Approach Approach Restricting Approach Stop and Proceed Approach Stop Approach