2019 JMRI MarkZiebell cpunclejoe@gmail.com 1 2019-12-29 MKZ Initial version 1.1 2021-05-15 MKZ added Clear option to Approach aspectMapping 2 2021-05-31 MKZ fix imagelink directory CCOR-1967 Double head permissive block signal http://www.gn-npjointarchive.org/GN_Misc/ccor_1967.pdf Appearances for a two-head permissive block signal Clear green red Page 53 ../../../resources/icons/smallschematics/aspects/CCOR-1967/SL-2-high-pbs/rule-240E.gif Advance Approach flashyellow red Page 54 ../../../resources/icons/smallschematics/aspects/CCOR-1967/SL-2-high-pbs/rule-240F.gif Advance Approach Alt yellow green Page 54 ../../../resources/icons/smallschematics/aspects/CCOR-1967/SL-2-high-pbs/rule-240F-alt.gif Approach Diverging yellow yellow Page 54 ../../../resources/icons/smallschematics/aspects/CCOR-1967/SL-2-high-pbs/rule-240G.gif Approach yellow red Page 53, RULE 240D ../../../resources/icons/smallschematics/aspects/CCOR-1967/SL-2-high-pbs/rule-240D.gif Stop and Proceed red red Page 53, RULE 240B Fig.2 ../../../resources/icons/smallschematics/aspects/CCOR-1967/SL-2-high-pbs/rule-240B.gif Stop and Proceed Stop and Proceed Clear Clear Advance Approach Clear Advance Approach Alt Clear Approach Diverging Clear Diverging Clear Approach Diverging Diverging Clear Alt Approach Diverging Diverging Advance Approach Approach Diverging Diverging Approach Approach Diverging Approach Advance Approach Advance Approach Alt Clear Restricting Approach Restricting Lunar Approach Restricting Lunar Div Approach Flashing Stop and Proceed Approach Flashing Stop and Proceed Div Approach Stop and Proceed Approach Stop Approach