SPTCO-1960 1960 Signaling definitions corresponding to the 1960 Southern Pacific Transportation Company rules as described in the "Rules and Regulations of the Transportation Department" booklet. See http://www.sphts.org/resources/rulebook/ 2009 2010 JMRI Dick Bronson dick@rr-cirkits.com Bob Jacobsen jake@physics.berkeley.edu 1 2009-12-29 RGJ Initial version 1.1 2010-01-11 DB Added References 1.2 2010-01-23 DB Consistancy 1.21 2010-01-26 DB Consistancy 1.22 2010-01-27 DB New apearances 1.30 2015-05-12 ST Added routing and default aspect numbers Block Signal Green Rule 281 Proceed Page 90 Normal Normal Either 20 Block Signal Green for Main Route Rule 282 Proceed except on diverging route Page 91 Normal Normal Normal 20 Block Signal Green for Diverging Route Rule 283 Proceed on diverging route Page 92 Normal Normal Diverging 12 Block Signal Yellow over Green Rule 284 Reduce to medium speed and proceed. Next signal indicates "Proceed on diverging route" Page 93 Medium Medium Either 14 Approach Signal Yellow Rule 285 Proceed not exceeding medium speed, prepared to stop short of next home signal. Page 94 Medium Medium Either 8 Approach Medium - Flashing Yellow Rule 285-A Proceed prepared to pass next signal at not exceeding medium speed. Page 95 Medium Medium Either 21 Distant Signal Yellow Rule 286 Proceed not exceeding medium speed, prepared to stop short of next home signal. Page 96 Medium Medium Either 8 Grade Signal Red Rule 287 Reduce to restricted speed and proceed. Page 97 Restricted Restricted Either 0 Home Signal Yellow for Diverging Route Rule 288 Proceed on diverging route at restricted speed. Page 98 Medium Medium Diverging 6 Home Signal Red over Lunar Rule 289 Proceed without stopping at restricted speed on other than main track. Page 99 Restricted Restricted Diverging 2 Home Signal Red Rule 290 Stop. Page 100 Stop Stop Either 0 Flashing Yellow Rule 291 Stop. Then proceed at restricted speed without calling dispatcher or signal operator. Page 101 Restricted Restricted Either 4 Flashing White Rule 292 Stop. When flashing white displayed be governed by special instructions. Page 102 Restricted Restricted Either 4 Home Signal Red, with Triangular Plate Rule 293 Stop. Inspect train, track or structure as provided in special instrutions, and proceed through remainder of block in accordance with provisions of Rule 507, 509, 510, 663, 744, or 776, as the case may be. Page 103 Restricted Restricted Either 0