2010JMRI DickBronson dick@rr-cirkits.com BobJacobsen jake@physics.berkeley.edu 1 2010-01-25 DB Initial version SPTCO-1960 Single head dwarf signal As described in the July 1960 version of the "Rules and Regulations of the Transportation Department". Appearances for a one-searchlight dwarf signal head without other badging Block Signal Green green Page 90 G ../../../resources/icons/smallschematics/aspects/SPTCO-1960/SL-1-low/rule-281.gif Approach Signal Yellow yellow Page 94 G ../../../resources/icons/smallschematics/aspects/SPTCO-1960/SL-1-low/rule-285.gif Approach Medium - Flashing Yellow flashyellow Page 95 D ../../../resources/icons/smallschematics/aspects/SPTCO-1960/SL-1-low/rule-285A.gif Home Signal Red red Page 100 I ../../../resources/icons/smallschematics/aspects/SPTCO-1960/SL-1-low/rule-290.gif