WPRR-1971 1971 Signal definitions corresponding to pages 132-135 from the 1971 "Western Pacific Railroad Company - Operating Rules" binder. NOTE: Only aspects commonly used by WP in 1970's are listed. 2010 JMRI Jim Moomaw jam_pub@pobox.com Jim Atkins 1.0 2021-08-26 JAM Initial version; dccAspect fields may not be correct. Dark (not found) Stop; regard dark signal as displaying its most restrictive indication. (Page not found) Previous year operating rules had a specific rule covering dark signals, but that couldn't be found in the 1971 book. Stop Stop Either 1 Clear Rule 281 Proceed. Page 132 Normal Normal Either 20 Approach Medium Rule 282 Proceed, approaching next signal at medium speed. Page 132 Medium Medium Either 2 Diverging Clear Rule 283 Proceed on diverging route. Observe prescribed speed through turnout. Page 132 Medium Medium Diverging 3 Advance Approach Rule 284 Proceed, approaching next signal at prescribed turnout speed. Trains exceeding medium speed must at once reduce to that speed. Page 132 Medium Medium Either 4 Approach Rule 285 Proceed, preparing to stop at next signal. Trains exceeding medium speed must at once reduce to that speed. Page 132 Medium Restricted Either 5 Diverging Approach Rule 286 Proceed on diverging route, approaching next signal prepared to stop. Observe prescribed speed through turnout. Page 134 Medium Restricted Diverging 6 Diverging Restricting Rule 287 Proceed on diverging route at restricted speed, except observe Rule 105 where applicable. Observe prescribed speed through turnout. Page 134 Restricted Restricted Diverging 7 Restricting Rule 288 Proceed at yard speed in accordance with specific timetable instructions. Page 134 Restricted Restricted Either 8 Restricting Diverging Rule 288-A Proceed on diverging route at yard speed not exceeding 20mph, expecting tracks to be occupied. Observe prescribed speed through turnout. Speeds on sidings or auxiliary tracks will be governed by timetable instructions. Page 134 Restricted Restricted Diverging 9 Stop And Proceed Rule 291 Stop; Then proceed at restricted speed. Page 134 Stop Restricted Either 10 Stop Rule 292 Stop. Page 134 Stop Stop Either 0