2009 2010 JMRI Dick Bronson dick@rr-cirkits.com Bob Jacobsen jake@physics.berkeley.edu Suzie Tall suzie_tall@yahoo.co.uk 1 2010-01-25 DB Initial version 1.1 2010-01-26 DB Typo corrections 1.30 2015-05-12 ST Added aspect mapping SPTCO-1960 Single searchlight high absolute signal As described in the July 1960 version of the "Rules and Regulations of the Transportation Department". Appearances for one-searchlight signal head without other badging Block Signal Green green Page 90 D ../../../resources/icons/smallschematics/aspects/SPTCO-1960/SL-1-high-abs/rule-281.gif Approach Signal Yellow yellow Page 94 D ../../../resources/icons/smallschematics/aspects/SPTCO-1960/SL-1-high-abs/rule-285.gif Approach Medium - Flashing Yellow flashyellow Page 95 C ../../../resources/icons/smallschematics/aspects/SPTCO-1960/SL-1-high-abs/rule-285-A.gif Home Signal Red red Page 100 E ../../../resources/icons/smallschematics/aspects/SPTCO-1960/SL-1-high-abs/rule-290.gif Home Signal Red Home Signal Red Block Signal Green Block Signal Green Block Signal Green for Main Route Block Signal Green Block Signal Green for Diverging Route Approach Signal Yellow Block Signal Yellow over Green Approach Medium - Flashing Yellow Approach Signal Yellow Approach Medium - Flashing Yellow Approach Medium - Flashing Yellow Block Signal Green Distant Signal Yellow Approach Medium - Flashing Yellow Grade Signal Red Approach Signal Yellow Home Signal Yellow for Diverging Route Approach Signal Yellow Home Signal Red over Lunar Approach Signal Yellow Home Signal Red Approach Signal Yellow Flashing Yellow Approach Signal Yellow Flashing White Approach Signal Yellow Home Signal Red, with Triangular Plate Approach Signal Yellow