2010 2016 JMRI Suzie Tall suzie_tall@yahoo.co.uk 1.0 2016-12-02 ST Initial Version CSX-2014-Chessie Double head 3-1 permissive slow approach color light high signal As described in the CSX Transportation Signal Rules - C1281-C1298 January 2014. Appearances for a permissive double 3-1 lamp signal head mast with yellow on lower head and a number plate Clear green dark C1281 (c) ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1y-hi/rule-C1281.gif Approach Slow yellow yellow C1284 (b) (sic) ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1y-hi/rule-C1284.gif Approach yellow dark C1285 (c) ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1y-hi/rule-C1285.gif Restricting red yellow C1290 (b) ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1y-hi/rule-C1290.gif Restricted Proceed red dark C1291 (a) ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1y-hi/rule-C1291.gif Unlit dark dark - ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-3-1y-hi/CO-3-1y-hi.gif Restricted Proceed Restricting Restricted Proceed Unlit Clear Clear Restricting Approach Limited Clear Restricting Limited Clear Approach Slow Restricting Limited Approach Approach Slow Restricting Approach Medium Clear Restricting Medium Clear Approach Slow Restricting Medium Approach Medium Approach Slow Restricting Medium Approach Slow Approach Slow Restricting Approach Slow Approach Slow Restricting Approach Approach Slow Restricting Medium Approach Approach Slow Restricting Slow Clear Approach Slow Restricting Slow Approach Approach Slow Restricting Restricting Approach Restricting Restricted Proceed Approach Restricting Stop Approach Restricting Unlit Restricted Proceed