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 3-3 head absolute high signal RYG-YGR - short block As described in the 1980 version of the Chessie System Operating Rules "Signal Rules - 281-292". Appearances for a double 3 lamp signal head mast without other badging. Short block signals will display Approach Medium ahead of a signal displaying Approach. This was used in areas where there was not sufficient stopping distances between signals. Clear green red Rule 281 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-hi/rule-C1281.gif Approach Medium yellow green Rule 282 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-hi/rule-C1282.gif Medium Clear red green Rule 283 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-hi/rule-C1283.gif Approach Slow yellow yellow Rule 284 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-hi/rule-C1284.gif Approach yellow red Rule 285 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-hi/rule-C1285.gif Restricting red yellow Rule 290 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-hi/rule-C1290.gif Stop red red Rule 292 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-hi/rule-C1292.gif Unlit dark dark - ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-3-hi/CO-3-3-hi.gif Stop Restricting Stop Unlit Clear Clear Medium Clear Restricting Approach Medium Clear Medium Clear Restricting Medium Clear Approach Medium Restricting Medium Approach Slow Approach Medium Restricting Approach Slow Approach Medium Restricting Approach Approach Medium Restricting Medium Approach Approach Medium Restricting Slow Clear Approach Slow Restricting Slow Approach Approach Slow Restricting Restricting Approach Restricting Stop and Proceed Approach Restricting Stop Approach Restricting