diff -r a4ddbff73f9f -r fc2dea6ef369 station_map.h
--- a/station_map.h	Sat May 06 21:46:26 2006 +0000
+++ b/station_map.h	Sat May 06 22:08:14 2006 +0000
@@ -187,7 +187,8 @@
 	return
 		IsRailwayStationTile(t1) &&
 		IsCompatibleRail(GetRailType(t1), GetRailType(t2)) &&
-		GetRailStationAxis(t1) == GetRailStationAxis(t2);
+		GetRailStationAxis(t1) == GetRailStationAxis(t2) &&
+		!IsStationTileBlocked(t1);
 }