The Sentinel - an ode to the vanishing CPL

Baltimore and Ohio Railroad
Color-Position Light Signals

according to the June 1, 1941 Rules and Regulations of the Operating Department
See some photographs of color-position light signals along CSX trackage in Maryland.

rule 281
Rule
281 Clear
INDICATION:
Proceed
rule 282
Rule
282 Approach Medium
INDICATION:
Proceed approaching next signal at medium speed
rule 283
Rule
283 Medium Clear
INDICATION:
Proceed; medium speed within interlocking limits , or through non-interlocked switches immediately beyond the signal. &mnsp; Block clear.
rule 283A
Rule
283A Medium-Approach-Medium
INDICATION:
Proceed< at medium speed approaching next signal at medium speed
rule 283B
Rule
283B
Medium-Approach-Slow
INDICATION:
Proceed at medium speed approaching next signal at slow speed
rule 284
Rule
284 Approch Slow
INDICATION:
Proceed, approaching next signal at slow speed.   Train exceeding medium speed must at once slow to that speed.
rule 285
Rule
285 Approach
INDICATION:
Proceed, being prepared to stop at next signal, and be governed by indication displayed by that signal.   Train exceeding medium speed must at once reduce to thaht speed.
rule 286
Rule
286 Medium Approach
INDICATION:
Proceed at medium speed, preparing to stop at next signal and be governed by indication displayed by that signal.
rule 287
Rule
287 Slow Clear
INDICATION:
Proceed at slow speed, approaching next signal at slow speed.
rule 288
Rule
288
Slow Approach
INDICATION:
Proceed at slow speed, preparing to stop at next signal and be governed by indication displayed by that signal.
rule 289
Rule
289 Permissive
INDICATION:
Block occupied.  Proceed, prepared to stop short of train ahead.  In automatic block territory, proceed at restricted speed until entire train passes next signal.
rule 289A
Rule
289a Medium Permissive
INDICATION:
[Same as 289; the only difference is the location of the marker light.]
rule 290
Rule
290 Restricting
INDICATION:
Proceed at restricted speed until entire train passes next signal.
rule 291
Rule
291
Stop and proceed
INDICATION:
Stop, then proceed at restricted speed until entire train passes next signal.
rule 291A
Rule
291a Tonnage
INDICATION:
T>onnage train proceed at restricted speed until entire train passes next signal.  Other trains stop, then proceed at restricted speed until entire train passes next signal.
rule 292
Rule
292
Stop
INDICATION:
Stop
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Last updated Friday, May 6, 2016