Index: trunk/images/markers/Bridge.svg
===================================================================
--- trunk/images/markers/Bridge.svg	(revision 15577)
+++ trunk/images/markers/Bridge.svg	(revision 15577)
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="16px" height="16px">
+<path d="m0,7.5h16m-1.5,0v8.5a6.75,6.75 0 0 0 -13,0v-9m4,0v4.5m5,0v-4.5" fill="none" stroke="#f00" stroke-width="1"/>
+</svg>
Index: trunk/images/markers/Crossing.svg
===================================================================
--- trunk/images/markers/Crossing.svg	(revision 15577)
+++ trunk/images/markers/Crossing.svg	(revision 15577)
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="16px" height="16px">
+<path d="m0,0l16,16M0,16l16,-16" fill="none" stroke="#fff000" stroke-width="3.5"/>
+</svg>
Index: trunk/images/markers/audio-tracer.svg
===================================================================
--- trunk/images/markers/audio-tracer.svg	(revision 15577)
+++ trunk/images/markers/audio-tracer.svg	(revision 15577)
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="20px" height="20px">
+<path d="m0,0L20,3 10,8 3,19" fill="#ff6100" />
+</svg>