diff --git a/openttd-srnw.org b/openttd-srnw.org
index d4f6b8d..9332b0a 100644
--- a/openttd-srnw.org
+++ b/openttd-srnw.org
@@ -175,3 +175,18 @@ through the station look better. We do this by adding a few reversed
 path signals after the choice.
 
 [[file:openttd-srnw/srnw-signalling.png][file:openttd-srnw/srnw-signalling_small.png]]
+
+* Bonus: Path Based Signal Priority Merge
+The [[https://wiki.openttdcoop.org/Priorities#PBS_prio][Priority - #openttdcoop wiki]] article shows how to construct a
+priority merge using path based signals. Since I will likely forget it
+and the traditional priorities are slightly more difficult to build I
+put a note here.
+
+The way this works is that the tracks coloured in red form one big
+signal block that reaches all the way to the merger at the front. Once
+the mainline train enters this block the entry signal for the merging
+train turns red and the merging train has to wait for the mainline
+train to clear the block.
+
+[[file:openttd-srnw/pbs-prio.png][file:openttd-srnw/pbs-prio_small.png]]
+
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