B&O-2009 (CSX) 2009 As described on the Railroad Signals of the US website. 2014 JMRI Suzie Tall suzie_tall@yahoo.co.uk 1 2014-09-21 ST Initial version 1.1 2016-11-24 ST Added additional masts 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