diff --git a/materials.xml b/materials.xml
index 19d7c75dc..77fce5571 100644
--- a/materials.xml
+++ b/materials.xml
@@ -1415,14 +1415,23 @@ Shared parameters for various materials.
+
+ YellowSign.unlighted
+
+ 0.4
+ 0.4
+ 0.4
+
+
+
YellowSign
+ YellowSign.lighted
Signs/yellow.rgb
0.9
0.9
0.9
- 1.0
4096
128
@@ -1488,14 +1497,23 @@ Shared parameters for various materials.
stop-frame 0.99390 0.99854
+
+ RedSign.unlighted
+
+ 0.4
+ 0.4
+ 0.4
+
+
+
RedSign
+ RedSign.lighted
Signs/red.rgb
- 1.0
- 1.0
- 1.0
- 1.0
+ 0.9
+ 0.9
+ 0.9
4096
128
@@ -1562,14 +1580,23 @@ Shared parameters for various materials.
stop-frame 0.99390 0.99854
+
+ BlackSign.unlighted
+
+ 0.4
+ 0.4
+ 0.4
+
+
+
BlackSign
+ BlackSign.lighted
Signs/black.rgb
- 1.0
- 1.0
- 1.0
- 1.0
+ 0.9
+ 0.9
+ 0.9
4096
128
@@ -1635,14 +1662,23 @@ Shared parameters for various materials.
stop-frame 0.99390 0.99854
+
+ FramedSign.unlighted
+
+ 0.4
+ 0.4
+ 0.4
+
+
+
FramedSign
+ FramedSign.lighted
Signs/framed.rgb
0.9
0.9
0.9
- 1.0
4096
128
@@ -1708,14 +1744,23 @@ Shared parameters for various materials.
stop-frame 0.99390 0.99976
+
+ RunwaySign.unlighted
+
+ 0.4
+ 0.4
+ 0.4
+
+
+
RunwaySign
+ RunwaySign.lighted
Signs/yellow_rwy.rgb
0.9
0.9
0.9
- 1.0
1024
128