20092010JMRI
GregMcCartney
gpmccartney@gmail.com
1
2016-07-28
GM
Initial version
2
2020-07-09
GM
Configured to allow for Approach Medium aspect in advance of Approach for use in areas where there is short braking distance prior to the next signal
B&O 1980
Color Position Light Permissive High Signals-Short Block
As described in the 1980 version of the Chessie System Operating Rules.
Appearances for B&O permissive color position light mast signals. Use this mast when you need a permissive signal that will display Approach Medium with the next signal is Approach.
Clear
green
green
dark
Page 128
../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-281.gif
Approach Limited
yellow
green
dark
Page 129
Signal is identical to Approach Medium except for the addition of a triangle flag on signal mast
../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-282.gif
Approach Medium
yellow
green
dark
Page 129
../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-282A.gif
Approach Slow
red
green
dark
Page 132
../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-284.gif
Approach
green
yellow
dark
Page 133
../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-285.gif
Stop and Proceed
green
red
dark
Page 138
../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/rule-291.gif
Unlit
dark
dark
dark
../../../resources/icons/smallschematics/aspects/B&O-1980/CPL-High-Permissive/unlit.gif
Stop and Proceed
Stop and Proceed
Stop and Proceed
Unlit
Clear
Clear
Approach Limited
Clear
Approach Medium
Clear
Limited Clear
Approach Limited
Medium Clear
Approach Medium
Medium Approach Medium
Approach Medium
Medium Approach Slow
Approach Medium
Approach Slow
Clear
Approach
Clear
Medium Approach
Approach Medium
Slow Approach Slow
Approach Slow
Slow Approach
Approach Slow
Restricting
Approach
Stop and Proceed
Approach
Stop and Proceed Medium
Approach
Stop
Approach