2009 2014 JMRI Suzie Tall suzie_tall@yahoo.co.uk 1 2014-09-024 ST Initial version 1.01 2016-06-24 ST Corrected spelling in mapping B&O-Semaphore B&O double arm semaphore As described by Joseph Hoevet from 1969 rules Appearances for a double arm semaphore. Clear green red Rule 281 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-2-high/rule-281.gif Approach Medium yellow green Rule 282 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-2-high/rule-282.gif Approach yellow red Rule 285 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-2-high/rule-285.gif Slow Approach Slow red green Rule 287A ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-2-high/rule-287.gif Restricting red lunar Rule 290 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-2-high/rule-290.gif Stop red red Rule 292 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-2-high/rule-292.gif Unlit dark dark ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-2-high/unlit.gif Stop Restricting Stop Unlit Clear Clear Slow Approach Slow Restricting Approach Limited Clear Slow Approach Slow Restricting Limited Clear Approach Medium Slow Approach Slow Restricting Approach Medium Clear Slow Approach Slow Restricting Medium Clear Approach Medium Slow Approach Slow Restricting Medium Approach Medium Approach Medium Slow Approach Slow Restricting Medium Approach Slow Approach Medium Slow Approach Slow Restricting Approach Slow Clear Slow Approach Slow Restricting Approach Clear Slow Approach Slow Restricting Medium Approach Approach Medium Slow Approach Slow Restricting Slow Clear Approach Slow Approach Slow Restricting Slow Approach Slow Approach Slow Approach Slow Restricting Slow Approach Approach Slow Approach Slow Restricting Restricting Approach Slow Approach Slow Restricting Restricted Proceed Approach Slow Approach Slow Restricting Stop Approach Restricting