20092010JMRI
DickBronson
BobJacobsen
jake@physics.berkeley.edu
1
2009-12-27
DB
More appearances
1.1
2010-01-01
RGJ
Add author and revision info
1.2
2010-01-11
DB
Typo Correction
2.2
2011-06-23
DB
Added mapping information
2.3
2019-12-30
BM
Remove ourAspect values which are not supported by this mast type
B&O 1957
Double searchlight high permissive signal
As described in the August 1946 version of the AAR publication "American Railway Signaling Principles and Practices", chapter II.
Appearances for a two-searchlight signal head with number plate
Clear
green
red
Page 42 B
../../../resources/icons/smallschematics/aspects/AAR-1946/SL-2-high-pbs/rule-281.gif
Advance Approach Medium
green
yellow
Page 42 B
../../../resources/icons/smallschematics/aspects/AAR-1946/SL-2-high-pbs/rule-281A.gif
Approach Medium
yellow
green
Page 44 B
../../../resources/icons/smallschematics/aspects/AAR-1946/SL-2-high-pbs/rule-282.gif
Advance Approach
yellow
yellow
Page 44 B
../../../resources/icons/smallschematics/aspects/AAR-1946/SL-2-high-pbs/rule-282A.gif
Medium Clear
red
green
Page 45 B
../../../resources/icons/smallschematics/aspects/AAR-1946/SL-2-high-pbs/rule-283.gif
Approach
yellow
red
Page 47 B
../../../resources/icons/smallschematics/aspects/AAR-1946/SL-2-high-pbs/rule-285.gif
Restricting
red
yellow
Page 49 B
../../../resources/icons/smallschematics/aspects/AAR-1946/SL-2-high-pbs/rule-290.gif
Stop and Proceed
red
red
Page 50 A
../../../resources/icons/smallschematics/aspects/AAR-1946/SL-2-high-pbs/rule-291.gif
Stop and Proceed
Stop and Proceed
Clear
Clear
Medium Clear
Advance Approach Medium
Clear
Medium Clear
Approach Limited
Clear
Medium Clear
Limited Clear
Advance Approach Medium
Approach Medium
Approach Medium
Advance Approach
Clear
Medium Clear
Approach Medium
Medium Clear
Approach Medium
Approach
Medium Advance Approach
Advance Approach
Approach Medium
Approach
Medium Approach Slow
Approach Medium
Approach
Approach Slow
Approach Medium
Approach
Approach
Advance Approach
Approach Medium
Approach
Medium Approach
Advance Approach
Approach Medium
Approach
Slow Clear
Approach
Restricting
Approach
Stop
Approach