SPTCO-1930 1930 Signaling definitions corresponding to the 1930 Southern Pacific Company (Pacific Lines) rules as described in the "Rules and Regulations of the Transportation Department" book. 2009 2010 2013 JMRI Chuck Catania cpcrr@charter.net Suzie Tall suzie_tall@yahoo.co.uk 1 2010-06-01 CFC Initial version 1.1 2013-07-01 ST Added routing and aspect numbers. Stop Rule 501 Stop Stop Stop Normal 0 Diverging Clear Rule 502 Proceed through diverging route Limited Medium Diverging 4 Diverging Approach Rule 502A Proceed through diverging route preparing to stop at next signal Limited Medium Diverging 3 Branch Clear Rule 502C Proceed through branch route Slow Normal Diverging 6 Approach Rule 503 Proceed preparing to stop at next signal Medium Slow Normal 1 Branch Approach Rule 503A Proceed through branch route preparing to stop at next signal Slow Normal Diverging 5 Branch Diverging Rule 503B Proceed through branch route at restricted speed Restricted Normal Diverging 7 Clear Rule 504 Proceed Normal Normal Normal 2 Dark Dark (used to indicate dark for e.g. approach lighting) Stop Stop Either 8