20092010JMRI GregMcCartney gpmccartney@gmail.com 1 2016-01-26 GPM Initial version of the the NW color light, search light, and semaphore signals. N&W 1981 Color Light Single Arm Absolute Dwarf Signal As described in the 1981 version of the Norfolk and Western Railroad Operating Rules. Appearances for N&W single head absolute color light dwarf signals. Slow Clear green Page 64 ../../../resources/icons/smallschematics/aspects/NW-1981/NW-SL-1-low-absolute/rule-287.gif Slow Approach flashyellow Page 64 ../../../resources/icons/smallschematics/aspects/NW-1981/NW-SL-1-low-absolute/rule-288.gif Restricting yellow Page 65 ../../../resources/icons/smallschematics/aspects/NW-1981/NW-SL-1-low-absolute/rule-290.gif Stop and Stay red Page 66 ../../../resources/icons/smallschematics/aspects/NW-1981/NW-SL-1-low-absolute/rule-292.gif Stop and Stay Restricting Stop and Stay Clear Slow Clear Approach Diverging Slow Clear Advance Approach Slow Clear Diverging Clear Slow Approach Diverging Approach Diverging Slow Approach Approach Slow Clear Diverging Approach Slow Approach Slow Clear Slow Clear Slow Approach Slow Clear Restricting Slow Approach Stop and Proceed Slow Approach Stop and Stay Slow Approach