2010 JMRI Jim Moomaw jam_pub@pobox.com Jim Atkins 1.0 2021-08-26 JAM Initial version WPRR-1971 Single head high searchlight permissive signal with Yellow marker Signal definitions corresponding to pages 132-135 from the 1971 "Western Pacific Railroad Company - Operating Rules" binder. Mast definitions and aspect progression documented in "WP Signal Aspects and Masts.XLSX". Appearances for single-head high searchlight with Yellow marker and with number plate. Dark dark dark ../../../resources/icons/smallschematics/aspects/WPRR-1971/SL-1-with-marker-high-P/dark.gif Clear green dark Page 132 ../../../resources/icons/smallschematics/aspects/WPRR-1971/SL-1-with-marker-high-P/rule-281.gif Approach Medium flashyellow dark Page 132 ../../../resources/icons/smallschematics/aspects/WPRR-1971/SL-1-with-marker-high-P/rule-282.gif Advance Approach yellow yellow Page 132 ../../../resources/icons/smallschematics/aspects/WPRR-1971/SL-1-with-marker-high-P/rule-284.gif Approach yellow dark Page 132 ../../../resources/icons/smallschematics/aspects/WPRR-1971/SL-1-with-marker-high-P/rule-285.gif Stop And Proceed red dark Page 134 ../../../resources/icons/smallschematics/aspects/WPRR-1971/SL-1-with-marker-high-P/rule-291.gif Stop And Proceed Stop And Proceed Stop And Proceed Dark ../../../resources/icons/smallschematics/aspects/WPRR-1971/SL-1-with-marker-high-P/dark.gif Clear Clear Approach Medium Clear Advance Approach Approach Medium Approach Approach Medium Diverging Clear Approach Approach Approach Diverging Approach Approach Diverging Restricting Approach Restricting Approach Restricting Diverging Approach Stop And Proceed Approach Stop Approach