2013 JMRI Suzie Tall 1 2013-12-30 ST Initial version BNSF-1996 Single arm absolute semaphore signal As described in the January 1996 BNSF special instructions. Appearances for a single arm semaphore signal used in Automatic Block, CTC and Interlocking Systems Clear green Rule 9.1.3 ../../../resources/icons/smallschematics/aspects/BNSF-1996/SE-1-high/rule-9.1.3-a.gif Approach yellow Rule 9.1.8 ../../../resources/icons/smallschematics/aspects/BNSF-1996/SE-1-high/rule-9.1.8-a.gif Stop red Rule 9.1.15 ../../../resources/icons/smallschematics/aspects/BNSF-1996/SE-1-high/rule-9.1.15-a.gif Unlit dark - ../../../resources/icons/smallschematics/aspects/BNSF-1996/SE-1-high/unlit-a.gif Stop Stop Stop Unlit Clear Clear Approach Limited Clear Advance Approach Clear Approach Medium (Diverging) Clear Approach Medium Clear Approach Restricting Clear Approach Clear Diverging Clear Clear Diverging Clear (Fifty) Clear Diverging Clear (Medium) Approach Diverging Clear (Slow) Approach Diverging Approach Diverging Clear Diverging Approach Diverging (Fifty) Clear Diverging Approach Diverging (Medium) Approach Diverging Approach Medium Approach Diverging Approach Approach Diverging Approach (Slow) Approach Restricting Approach Restricting (Diverging) Approach Stop and Proceed Approach Stop Approach Unlit Approach