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 triple arm semaphore As described by Joseph Hoevet from 1969 rules Appearances for a triple arm semaphore. Clear green red red Rule 281 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/rule-281.gif Approach Medium yellow green red Rule 282 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/rule-282.gif Medium Clear red green red Rule 283 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/rule-283.gif Approach yellow red red Rule 285 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/rule-285.gif Medium Approach red yellow red Rule 286 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/rule-286.gif Slow Approach Slow red red green Rule 287A ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/rule-287.gif Restricting red red lunar Rule 290 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/rule-290.gif Stop red red red Rule 292 ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/rule-292.gif Unlit dark dark dark ../../../resources/icons/smallschematics/aspects/B&O-Semaphore/SE-3-high/unlit.gif Stop Restricting Stop Unlit Clear Clear Medium Clear Slow Approach Slow Restricting Approach Limited Clear Medium Clear Slow Approach Slow Restricting Limited Clear Approach Medium Medium Approach Slow Approach Slow Restricting Approach Medium Clear Medium Clear Slow Approach Slow Restricting Medium Clear Approach Medium Medium Approach Slow Approach Slow Restricting Medium Approach Medium Approach Medium Medium Approach Slow Approach Slow Restricting Medium Approach Slow Approach Medium Medium Approach Slow Approach Slow Restricting Approach Slow Clear Medium Clear Slow Approach Slow Restricting Approach Clear Medium Clear Slow Approach Slow Restricting Medium Approach Approach Medium Medium Approach Slow Approach Slow Restricting Slow Clear Approach Medium Approach Slow Approach Slow Restricting Slow Approach Slow Approach Medium Approach Slow Approach Slow Restricting Slow Approach Approach Medium Approach Slow Approach Slow Restricting Restricting Approach Medium Approach Restricting Restricted Proceed Approach Medium Approach Restricting Stop Approach Medium Approach Restricting