B&O-Semaphore 1969 As described by Joseph Hoevet from 1969 rules but intended to be used in conjunction with the B&0-2009 system. 2016 JMRI Suzie Tall suzie_tall@yahoo.co.uk 1 2016-11-22 ST Initial version Clear Rule 281 Proceed Normal Normal Either 15 Approach Limited Rule 281B Proceed approaching next signal at limited speed Normal Limited Either 14 Limited Clear Rule 281C Proceed; limited speed within interlocking limits Limited Normal Either 13 Approach Medium Rule 282 Proceed approaching next signal at medium speed Normal Medium Either 12 Medium Clear Rule 283 Proceed; medium speed within interlocking limits Medium Normal Either 11 Medium Approach Medium Rule 283A Proceed preparing to stop at second signal; medium speed within interlocking limits Medium Medium Either 10 Medium Approach Slow Rule 283B Proceed at medium speed approaching next signal at slow speed Medium Slow Either 9 Approach Slow Rule 284 Proceed approaching next signal at slow speed. Train exceeding medium speed must at once reduce to that speed. Normal Slow Either 8 Approach Rule 285 Proceed preparing to stop at next signal. Train exceeding medium speed must at once reduce to that speed. Normal Slow Either 7 Medium Approach Rule 286 Proceed at medium speed preparing to stop at next signal Medium Slow Either 6 Slow Clear Rule 287 Proceed; slow speed within interlocking limits. Slow Normal Either 5 Slow Approach Slow Rule 287A Proceed preparing to pass next signal at slow speed; slow speed within interlocking limits. Slow Slow Either 4 Slow Approach Rule 288 Proceed preparing to stop at next signal; slow speed within interlocking limits. Slow Slow Either 3 Restricting Rule 290 Proceed at restricted speed. Restricted Restricted Either 2 Restricted Proceed Rule 291 Proceed at restricted speed. Restricted Restricted Either 1 Stop Rule 292 Stop. Stop Stop Either 0 Unlit - Stop. Stop Stop Either 31