20092010JMRI
DickBronson
BobJacobsen
jake@physics.berkeley.edu
1
2010-01-01
DB
Initial version
1.1
2011-06-23
DB
Added mapping information
1.2
2018-06-22
DB
Updated for PRR 1956
PRR 1956
Position light dwarf signal
As described in the October 1956 version of the PRR publication "Rules for conducting transportation", Signal Rules.
Appearances for a dwarf position light signal head without other badging
Slow Clear
green
Page 61
../../../resources/icons/smallschematics/aspects/PRR-1956/PL-1-low/rule-287.gif
Slow Approach
green
Page 62
../../../resources/icons/smallschematics/aspects/PRR-1956/PL-1-low/rule-288.gif
Restricting
yellow
Page 64
../../../resources/icons/smallschematics/aspects/PRR-1956/PL-1-low/rule-290.gif
Stop
red
Page 66
../../../resources/icons/smallschematics/aspects/PRR-1956/PL-1-low/rule-292.gif
Stop
Stop
Clear Block
Slow Clear
Clear
Slow Clear
Approach Medium
Slow Clear
Medium Clear
Slow Clear
Medium Approach
Slow Clear
Approach Slow
Slow Clear
Approach
Slow Clear
Caution
Slow Clear
Slow Approach
Slow Clear
Slow Clear
Slow Clear
Slow Approach
Slow Clear
Permissive Block
Slow Approach
Restricting
Slow Approach
Stop and Proceed
Slow Approach
Stop
Slow Approach