diff --git a/Train/Track.json b/Train/Track.json
index 8325b3bb053fd0c9dcd1a650ec0caa14932e3a0d..a9fc275233653c8a85fd0177fdfb5d52db053f59 100644
--- a/Train/Track.json
+++ b/Train/Track.json
@@ -32,13 +32,15 @@
       "id":"occupied_ttd_polygon",
       "event":"TTD_Free",
       "optional" : true,
-      "hovers": [{ "attr":"stroke", "enter":"black", "leave":"none"}]
+      "hovers": [{ "attr":"stroke", "enter":"black", "leave":"none"},
+                 { "attr":"opacity", "enter":"0.5", "leave":"1.0"}]
     },
     {
       "id":"cleared_ttd_polygon",
       "event":"TTD_Occupied",
       "optional" : true,
-      "hovers": [{ "attr":"stroke", "enter":"black", "leave":"none"}]
+      "hovers": [{ "attr":"stroke", "enter":"black", "leave":"none"},
+                 { "attr":"opacity", "enter":"0.5", "leave":"1.0"}]
     }
     ]
 }
\ No newline at end of file