diff --git a/brouter-core/src/main/java/btools/router/KinematicModel.java b/brouter-core/src/main/java/btools/router/KinematicModel.java
index 82a12a6..0df2621 100644
--- a/brouter-core/src/main/java/btools/router/KinematicModel.java
+++ b/brouter-core/src/main/java/btools/router/KinematicModel.java
@@ -23,7 +23,7 @@ final class KinematicModel extends OsmPathModel
     return new KinematicPath();
   }
 
-  public double turnAngleDecayLength;
+  public double turnAngleDecayTime;
   public double f_roll;
   public double f_air;
   public double f_recup;
@@ -70,7 +70,7 @@ final class KinematicModel extends OsmPathModel
 
     params = extraParams;
   
-    turnAngleDecayLength = getParam( "turnAngleDecayLength", 50.f );
+    turnAngleDecayTime = getParam( "turnAngleDecayTime", 5.f );
     f_roll = getParam( "f_roll", 232.f );
     f_air = getParam( "f_air", 0.4f );
     f_recup = getParam( "f_recup", 400.f );
diff --git a/brouter-core/src/main/java/btools/router/KinematicPath.java b/brouter-core/src/main/java/btools/router/KinematicPath.java
index 2093562..54a88e2 100644
--- a/brouter-core/src/main/java/btools/router/KinematicPath.java
+++ b/brouter-core/src/main/java/btools/router/KinematicPath.java
@@ -58,22 +58,22 @@ final class KinematicPath extends OsmPath
     {
       double turnspeed = 999.; // just high
 
-      if ( km.turnAngleDecayLength != 0. ) // process turn-angle slowdown
+      if ( km.turnAngleDecayTime != 0. ) // process turn-angle slowdown
       {
-        double decayFactor = FastMath.exp( - dist / km.turnAngleDecayLength );
-        floatingAngleLeft = (float)( floatingAngleLeft * decayFactor );
-        floatingAngleRight = (float)( floatingAngleRight * decayFactor );
         if ( angle < 0 ) floatingAngleLeft -= (float)angle;
         else             floatingAngleRight += (float)angle;
         float aa = Math.max( floatingAngleLeft, floatingAngleRight );
 
-        if       ( aa > 130. ) turnspeed = 0.;
-        else if  ( aa > 100. ) turnspeed = 1.;
-        else if  ( aa > 70. ) turnspeed = 2.;
-        else if  ( aa > 50. ) turnspeed = 4.;
-        else if  ( aa > 30. ) turnspeed = 8.;
-        else if  ( aa > 20. ) turnspeed = 14.;
-        else if  ( aa > 10. ) turnspeed = 20.;
+        double curveSpeed = aa > 10. ? 200. / aa : 20.;        
+        double distanceTime = dist / curveSpeed;
+        double decayFactor = FastMath.exp( - distanceTime / km.turnAngleDecayTime );
+        floatingAngleLeft = (float)( floatingAngleLeft * decayFactor );
+        floatingAngleRight = (float)( floatingAngleRight * decayFactor );
+
+        if ( curveSpeed < 20. )
+        {
+          turnspeed = curveSpeed;
+        }
       }
 
       if ( nsection == 0 ) // process slowdown by crossing geometry
diff --git a/misc/profiles2/car-eco.brf b/misc/profiles2/car-eco.brf
index e936db7..a600d6a 100644
--- a/misc/profiles2/car-eco.brf
+++ b/misc/profiles2/car-eco.brf
@@ -267,4 +267,5 @@ assign maxspeed =
          switch greater way:priorityclassifier 22 3
          switch greater way:priorityclassifier 20 1
          0
+       else if railway=level_crossing then 0
        else 999
diff --git a/misc/profiles2/car-fast.brf b/misc/profiles2/car-fast.brf
index 8e0e614..33fad3e 100644
--- a/misc/profiles2/car-fast.brf
+++ b/misc/profiles2/car-fast.brf
@@ -267,4 +267,5 @@ assign maxspeed =
          switch greater way:priorityclassifier 22 3
          switch greater way:priorityclassifier 20 1
          0
+       else if railway=level_crossing then 0
        else 999
diff --git a/misc/profiles2/car-vario.brf b/misc/profiles2/car-vario.brf
index e936db7..a600d6a 100644
--- a/misc/profiles2/car-vario.brf
+++ b/misc/profiles2/car-vario.brf
@@ -267,4 +267,5 @@ assign maxspeed =
          switch greater way:priorityclassifier 22 3
          switch greater way:priorityclassifier 20 1
          0
+       else if railway=level_crossing then 0
        else 999