diff --git a/VECTO/GUI/VectoJobForm.Designer.vb b/VECTO/GUI/VectoJobForm.Designer.vb
index 12597573857e716facb288a57af3a1ad60b53d0b..9817215ce0238b29f8bde58f622b5291df8bb00c 100644
--- a/VECTO/GUI/VectoJobForm.Designer.vb
+++ b/VECTO/GUI/VectoJobForm.Designer.vb
@@ -88,10 +88,6 @@ Partial Class VectoJobForm
         Me.tbLacDfVelocityDropFile = New System.Windows.Forms.TextBox()
         Me.CbLookAhead = New System.Windows.Forms.CheckBox()
         Me.GroupBox1 = New System.Windows.Forms.GroupBox()
-        Me.GroupBox2 = New System.Windows.Forms.GroupBox()
-        Me.Label22 = New System.Windows.Forms.Label()
-        Me.TbUnderSpeed = New System.Windows.Forms.TextBox()
-        Me.Label20 = New System.Windows.Forms.Label()
         Me.PnEcoRoll = New System.Windows.Forms.Panel()
         Me.Label21 = New System.Windows.Forms.Label()
         Me.Label14 = New System.Windows.Forms.Label()
@@ -159,7 +155,6 @@ Partial Class VectoJobForm
         Me.GrLAC.SuspendLayout
         Me.pnLookAheadCoasting.SuspendLayout
         Me.GroupBox1.SuspendLayout
-        Me.GroupBox2.SuspendLayout
         Me.PnEcoRoll.SuspendLayout
         Me.StatusStrip1.SuspendLayout
         Me.ToolStrip1.SuspendLayout
@@ -806,7 +801,6 @@ Partial Class VectoJobForm
         '
         'GroupBox1
         '
-        Me.GroupBox1.Controls.Add(Me.GroupBox2)
         Me.GroupBox1.Controls.Add(Me.PnEcoRoll)
         Me.GroupBox1.Controls.Add(Me.RdOverspeed)
         Me.GroupBox1.Controls.Add(Me.RdOff)
@@ -817,48 +811,6 @@ Partial Class VectoJobForm
         Me.GroupBox1.TabStop = false
         Me.GroupBox1.Text = "Overspeed"
         '
-        'GroupBox2
-        '
-        Me.GroupBox2.Controls.Add(Me.Label22)
-        Me.GroupBox2.Controls.Add(Me.TbUnderSpeed)
-        Me.GroupBox2.Controls.Add(Me.Label20)
-        Me.GroupBox2.Enabled = false
-        Me.GroupBox2.Location = New System.Drawing.Point(338, 14)
-        Me.GroupBox2.Name = "GroupBox2"
-        Me.GroupBox2.Size = New System.Drawing.Size(168, 57)
-        Me.GroupBox2.TabIndex = 37
-        Me.GroupBox2.TabStop = false
-        Me.GroupBox2.Text = "!! hidden !!"
-        Me.GroupBox2.Visible = false
-        '
-        'Label22
-        '
-        Me.Label22.AutoSize = true
-        Me.Label22.Location = New System.Drawing.Point(6, 16)
-        Me.Label22.Name = "Label22"
-        Me.Label22.Size = New System.Drawing.Size(91, 13)
-        Me.Label22.TabIndex = 1
-        Me.Label22.Text = "Max. Underspeed"
-        Me.Label22.Visible = false
-        '
-        'TbUnderSpeed
-        '
-        Me.TbUnderSpeed.Location = New System.Drawing.Point(9, 32)
-        Me.TbUnderSpeed.Name = "TbUnderSpeed"
-        Me.TbUnderSpeed.Size = New System.Drawing.Size(64, 20)
-        Me.TbUnderSpeed.TabIndex = 1
-        Me.TbUnderSpeed.Visible = false
-        '
-        'Label20
-        '
-        Me.Label20.AutoSize = true
-        Me.Label20.Location = New System.Drawing.Point(75, 36)
-        Me.Label20.Name = "Label20"
-        Me.Label20.Size = New System.Drawing.Size(38, 13)
-        Me.Label20.TabIndex = 3
-        Me.Label20.Text = "[km/h]"
-        Me.Label20.Visible = false
-        '
         'PnEcoRoll
         '
         Me.PnEcoRoll.Controls.Add(Me.Label21)
@@ -1411,8 +1363,6 @@ Partial Class VectoJobForm
         Me.pnLookAheadCoasting.PerformLayout
         Me.GroupBox1.ResumeLayout(false)
         Me.GroupBox1.PerformLayout
-        Me.GroupBox2.ResumeLayout(false)
-        Me.GroupBox2.PerformLayout
         Me.PnEcoRoll.ResumeLayout(false)
         Me.PnEcoRoll.PerformLayout
         Me.StatusStrip1.ResumeLayout(false)
@@ -1482,13 +1432,10 @@ End Sub
 	Friend WithEvents CbLookAhead As CheckBox
 	Friend WithEvents GroupBox1 As GroupBox
 	Friend WithEvents Label21 As Label
-	Friend WithEvents Label20 As Label
 	Friend WithEvents Label14 As Label
 	Friend WithEvents TbVmin As TextBox
-	Friend WithEvents TbUnderSpeed As TextBox
 	Friend WithEvents TbOverspeed As TextBox
 	Friend WithEvents Label23 As Label
-	Friend WithEvents Label22 As Label
 	Friend WithEvents Label13 As Label
 	Friend WithEvents RdOverspeed As RadioButton
 	Friend WithEvents RdOff As RadioButton
@@ -1532,7 +1479,6 @@ End Sub
 	Friend WithEvents TbAuxPAdd As System.Windows.Forms.TextBox
 	Friend WithEvents Label8 As System.Windows.Forms.Label
 	Friend WithEvents Label15 As System.Windows.Forms.Label
-	Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
 	Friend WithEvents lblEngineCharacteristics As System.Windows.Forms.Label
     Friend WithEvents TabPgADAS As TabPage
     Friend WithEvents GroupBox4 As GroupBox
diff --git a/VECTO/GUI/VectoJobForm.vb b/VECTO/GUI/VectoJobForm.vb
index deec436512221bf79ece82640708f5d25f7fe6a7..3274de6dde798f251a3492ce1fe6f67c61428723 100644
--- a/VECTO/GUI/VectoJobForm.vb
+++ b/VECTO/GUI/VectoJobForm.vb
@@ -120,7 +120,6 @@ Public Class VectoJobForm
 		tbLacDfVelocityDropFile.Text = ""
 
 		TbOverspeed.Text = DeclarationData.Driver.OverSpeed.AllowedOverSpeed.AsKmph.ToGUIFormat()	 'cDeclaration.Overspeed
-		TbUnderSpeed.Text = DeclarationData.Driver.OverSpeed.UnderSpeed.AsKmph.ToGUIFormat() _
 		' cDeclaration.Underspeed
 		TbVmin.Text = DeclarationData.Driver.OverSpeed.MinSpeed.AsKmph.ToGUIFormat()	 'cDeclaration.ECvmin
 		TbAuxPAdd.Text = ""
@@ -512,17 +511,13 @@ Public Class VectoJobForm
 		Catch ex As Exception
 		End Try
 
-		If driver.OverSpeedData.Mode = DriverMode.EcoRoll Then
-			'mk 2016-11-10: removed eco roll - instead automatically overspeed is used
-			'RdEcoRoll.Checked = True
-			RdOverspeed.Checked = True
-		ElseIf driver.OverSpeedData.Mode = DriverMode.Overspeed Then
+		
+		If driver.OverSpeedData.Enabled  Then
 			RdOverspeed.Checked = True
 		Else
 			RdOff.Checked = True
 		End If
 		TbOverspeed.Text = driver.OverSpeedData.OverSpeed.AsKmph.ToGUIFormat()
-		TbUnderSpeed.Text = driver.OverSpeedData.UnderSpeed.AsKmph.ToGUIFormat()
 		TbVmin.Text = driver.OverSpeedData.MinSpeed.AsKmph.ToGUIFormat()
 		If Not driver.Lookahead Is Nothing Then
 			CbLookAhead.Checked = driver.Lookahead.Enabled
@@ -645,10 +640,8 @@ Public Class VectoJobForm
 
 		vectoJob.EngineOnly = CbEngOnly.Checked
 
-		vectoJob.EcoRollOn = False 'RdEcoRoll.Checked
 		vectoJob.OverSpeedOn = RdOverspeed.Checked
 		vectoJob.OverSpeed = TbOverspeed.Text.ToDouble(0)
-		vectoJob.UnderSpeed = TbUnderSpeed.Text.ToDouble(0)
 		vectoJob.VMin = TbVmin.Text.ToDouble(0)
 		vectoJob.LookAheadOn = CbLookAhead.Checked
 		'vec0.ALookahead = CSng(fTextboxToNumString(TbAlookahead.Text))
@@ -706,7 +699,6 @@ Public Class VectoJobForm
 		CbLookAhead.Checked = True
 		'TbAlookahead.Text = "-0.5"
 		TbOverspeed.Text = DeclarationData.Driver.OverSpeed.AllowedOverSpeed.AsKmph.ToGUIFormat()
-		TbUnderSpeed.Text = DeclarationData.Driver.OverSpeed.UnderSpeed.AsKmph.ToGUIFormat()
 		TbVmin.Text = DeclarationData.Driver.OverSpeed.MinSpeed.AsKmph.ToGUIFormat()
 
 		'TbVminLA.Text = "50"
@@ -772,7 +764,7 @@ Public Class VectoJobForm
 		Change()
 	End Sub
 
-	Private Sub TbUnderSpeed_TextChanged(sender As Object, e As EventArgs) Handles TbUnderSpeed.TextChanged
+	Private Sub TbUnderSpeed_TextChanged(sender As Object, e As EventArgs) 
 		Change()
 	End Sub
 
@@ -1076,10 +1068,6 @@ lbDlog:
 		Label13.Enabled = overspeed Or ecoRoll
 		Label14.Enabled = overspeed Or ecoRoll
 
-		TbUnderSpeed.Enabled = ecoRoll
-		Label22.Enabled = ecoRoll
-		Label20.Enabled = ecoRoll
-
 		TbVmin.Enabled = overspeed Or ecoRoll
 		Label23.Enabled = overspeed Or ecoRoll
 		Label21.Enabled = overspeed Or ecoRoll
diff --git a/VECTO/Input Files/VectoJob.vb b/VECTO/Input Files/VectoJob.vb
index 9bf0bf77ce25af6d5b5e2274094a8948c218d93a..31023ceeae4c94096bf06e485ad734f98a978f98 100644
--- a/VECTO/Input Files/VectoJob.vb	
+++ b/VECTO/Input Files/VectoJob.vb	
@@ -68,8 +68,7 @@ Public Class VectoJob
     Public LookAheadOn As Boolean
     Public OverSpeedOn As Boolean
     Public OverSpeed As Double
-    Public UnderSpeed As Double
-    Public EcoRollOn As Boolean
+   
 
     Public LookAheadMinSpeed As Double
     Public EngineStopStartActivationThreshold As Double
@@ -216,18 +215,10 @@ Public Class VectoJob
     Public ReadOnly Property OverSpeedData As IOverSpeedEngineeringInputData _
         Implements IDriverEngineeringInputData.OverSpeedData
         Get
-            Dim mode As DriverMode = DriverMode.Off
-            If EcoRollOn Then
-                mode = DriverMode.EcoRoll
-            ElseIf OverSpeedOn Then
-                mode = DriverMode.Overspeed
-            End If
-
-            Return New OverSpeedInputData() With {
-                .Mode = mode,
+           Return New OverSpeedInputData() With {
+                .Enabled = OverSpeedOn,
                 .MinSpeed = VMin.KMPHtoMeterPerSecond(),
-                .OverSpeed = OverSpeed.KMPHtoMeterPerSecond(),
-                .UnderSpeed = UnderSpeed.KMPHtoMeterPerSecond()
+                .OverSpeed = OverSpeed.KMPHtoMeterPerSecond()
                 }
         End Get
     End Property
diff --git a/VECTO/OutputData/JSONFileWriter.vb b/VECTO/OutputData/JSONFileWriter.vb
index 0fe9238eea9d7f3d29cdf348fbf424b9fb37680f..7929613598f718fc86458d82ec14384ad497bf3b 100644
--- a/VECTO/OutputData/JSONFileWriter.vb
+++ b/VECTO/OutputData/JSONFileWriter.vb
@@ -354,11 +354,10 @@ Public Class JSONFileWriter
 		'Overspeed / EcoRoll
 		Dim overspeedDic As Dictionary(Of String, Object) = New Dictionary(Of String, Object)
 
-		overspeedDic.Add("Mode", driver.OverSpeedData.Mode.ToString())
+		overspeedDic.Add("Mode", If(driver.OverSpeedData.Enabled,  "Overspeed" ,"Off"))
 
 		overspeedDic.Add("MinSpeed", driver.OverSpeedData.MinSpeed.AsKmph)
 		overspeedDic.Add("OverSpeed", driver.OverSpeedData.OverSpeed.AsKmph)
-		overspeedDic.Add("UnderSpeed", driver.OverSpeedData.UnderSpeed.AsKmph)
 		body.Add("OverSpeedEcoRoll", overspeedDic)
 
 		'Cycles
diff --git a/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs b/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
index c32b74e64f87ebf3f0dda956950ecda317d2f756..f0ccab27402567e9c46d304aaf65698b7588db8a 100644
--- a/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
+++ b/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
@@ -570,7 +570,7 @@ namespace TUGraz.VectoCommon.InputData
 		/// P015
 		/// cf. VECTO Input Parameters.xlsx
 		/// </summary>
-		DriverMode Mode { get; }
+		bool Enabled { get; }
 	}
 
 	public interface IAuxiliaryDeclarationInputData
diff --git a/VectoCommon/VectoCommon/InputData/EngineeringInputData.cs b/VectoCommon/VectoCommon/InputData/EngineeringInputData.cs
index 24d8d42500b31bfebf5bf9d0f1b05dc111498f93..e56a294f5add6f7a6933ab53398dfc1c3fc3a693 100644
--- a/VectoCommon/VectoCommon/InputData/EngineeringInputData.cs
+++ b/VectoCommon/VectoCommon/InputData/EngineeringInputData.cs
@@ -368,11 +368,6 @@ namespace TUGraz.VectoCommon.InputData
 		/// </summary>
 		MeterPerSecond OverSpeed { get; }
 
-		/// <summary>
-		/// P018
-		/// cf. VECTO Input Parameters.xlsx
-		/// </summary>
-		MeterPerSecond UnderSpeed { get; }
 	}
 
 	public interface ILookaheadCoastingInputData : IDriverModelData
diff --git a/VectoCommon/VectoCommon/Models/DriverMode.cs b/VectoCommon/VectoCommon/Models/DriverMode.cs
deleted file mode 100644
index 6ca9a003f5851089e11e35d21df0e0ec3658e8b1..0000000000000000000000000000000000000000
--- a/VectoCommon/VectoCommon/Models/DriverMode.cs
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
-* This file is part of VECTO.
-*
-* Copyright © 2012-2019 European Union
-*
-* Developed by Graz University of Technology,
-*              Institute of Internal Combustion Engines and Thermodynamics,
-*              Institute of Technical Informatics
-*
-* VECTO is licensed under the EUPL, Version 1.1 or - as soon they will be approved
-* by the European Commission - subsequent versions of the EUPL (the "Licence");
-* You may not use VECTO except in compliance with the Licence.
-* You may obtain a copy of the Licence at:
-*
-* https://joinup.ec.europa.eu/community/eupl/og_page/eupl
-*
-* Unless required by applicable law or agreed to in writing, VECTO
-* distributed under the Licence is distributed on an "AS IS" basis,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the Licence for the specific language governing permissions and
-* limitations under the Licence.
-*
-* Authors:
-*   Stefan Hausberger, hausberger@ivt.tugraz.at, IVT, Graz University of Technology
-*   Christian Kreiner, christian.kreiner@tugraz.at, ITI, Graz University of Technology
-*   Michael Krisper, michael.krisper@tugraz.at, ITI, Graz University of Technology
-*   Raphael Luz, luz@ivt.tugraz.at, IVT, Graz University of Technology
-*   Markus Quaritsch, markus.quaritsch@tugraz.at, IVT, Graz University of Technology
-*   Martin Rexeis, rexeis@ivt.tugraz.at, IVT, Graz University of Technology
-*/
-
-namespace TUGraz.VectoCommon.Models
-{
-	public enum DriverMode
-	{
-		Off,
-		Overspeed,
-		EcoRoll,
-	}
-}
\ No newline at end of file
diff --git a/VectoCommon/VectoCommon/Resources/XMLNames.Designer.cs b/VectoCommon/VectoCommon/Resources/XMLNames.Designer.cs
index bb705b763d3ca78d4e417c4b395a6a3553c30487..36fa3313aec7d47eea26f9f457016450875cf3a2 100644
--- a/VectoCommon/VectoCommon/Resources/XMLNames.Designer.cs
+++ b/VectoCommon/VectoCommon/Resources/XMLNames.Designer.cs
@@ -852,6 +852,15 @@ namespace TUGraz.VectoCommon.Resources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Enabled.
+        /// </summary>
+        public static string DriverModel_Overspeed_Enabled {
+            get {
+                return ResourceManager.GetString("DriverModel_Overspeed_Enabled", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to MinSpeed.
         /// </summary>
diff --git a/VectoCommon/VectoCommon/Resources/XMLNames.resx b/VectoCommon/VectoCommon/Resources/XMLNames.resx
index 0f45c51c26753852edce8c03dd04a602fbb82f2c..cc488d14ef86f80743965407b83caf5a1e8a68e0 100644
--- a/VectoCommon/VectoCommon/Resources/XMLNames.resx
+++ b/VectoCommon/VectoCommon/Resources/XMLNames.resx
@@ -1059,4 +1059,7 @@
   <data name="DriverModel_EcoRoll" xml:space="preserve">
     <value>EcoRoll</value>
   </data>
+  <data name="DriverModel_Overspeed_Enabled" xml:space="preserve">
+    <value>Enabled</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/VectoCommon/VectoCommon/VectoCommon.csproj b/VectoCommon/VectoCommon/VectoCommon.csproj
index 298bb028ec8c7d1d6834302e47dae3e564b5294e..3bc2cd03bea71748caffb45fdca697e075b3b4cc 100644
--- a/VectoCommon/VectoCommon/VectoCommon.csproj
+++ b/VectoCommon/VectoCommon/VectoCommon.csproj
@@ -73,7 +73,6 @@
     <Compile Include="Models\AxleLineType.cs" />
     <Compile Include="Models\CertificationMethod.cs" />
     <Compile Include="Models\CrossWindCorrectionMode.cs" />
-    <Compile Include="Models\DriverMode.cs" />
     <Compile Include="Models\ExecutionMode.cs" />
     <Compile Include="Models\FuelType.cs" />
     <Compile Include="Models\GearboxType.cs" />
diff --git a/VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs b/VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs
index 4224708ebfa7d134a0b634c26fb236c0f116c0bc..42cd22086edd49fcfb9620dfc16ff061d981b5a6 100644
--- a/VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs
+++ b/VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs
@@ -465,14 +465,12 @@ namespace TUGraz.VectoCore.InputData.FileIO.JSON
 			get {
 				var overspeed = Body.GetEx(JsonKeys.DriverData_OverspeedEcoRoll);
 				return new OverSpeedInputData() {
-					Mode = DriverData.ParseDriverMode(
+					Enabled = DriverData.ParseDriverMode(
 						overspeed.GetEx<string>(JsonKeys.DriverData_OverspeedEcoRoll_Mode)),
 					MinSpeed = overspeed.GetEx<double>(JsonKeys.DriverData_OverspeedEcoRoll_MinSpeed)
 										.KMPHtoMeterPerSecond(),
 					OverSpeed = overspeed.GetEx<double>(JsonKeys.DriverData_OverspeedEcoRoll_OverSpeed)
 										.KMPHtoMeterPerSecond(),
-					UnderSpeed =
-						overspeed.GetEx<double>(JsonKeys.DriverData_OverspeedEcoRoll_UnderSpeed).KMPHtoMeterPerSecond()
 				};
 			}
 		}
diff --git a/VectoCore/VectoCore/InputData/FileIO/XML/Engineering/DataProvider/XMLEngineeringOverspeed.cs b/VectoCore/VectoCore/InputData/FileIO/XML/Engineering/DataProvider/XMLEngineeringOverspeed.cs
index 49e444c0475befc86fd0f28830eaa8ad29e26a4a..210c8b1e6116a9e3f141f4084429b4db05883f60 100644
--- a/VectoCore/VectoCore/InputData/FileIO/XML/Engineering/DataProvider/XMLEngineeringOverspeed.cs
+++ b/VectoCore/VectoCore/InputData/FileIO/XML/Engineering/DataProvider/XMLEngineeringOverspeed.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Xml;
 using System.Xml.Linq;
 using TUGraz.VectoCommon.Models;
@@ -26,9 +27,9 @@ namespace TUGraz.VectoCore.InputData.FileIO.XML.Engineering.DataProvider
 
 		#region Implementation of IOverSpeedEcoRollDeclarationInputData
 
-		public virtual DriverMode Mode
+		public virtual bool Enabled
 		{
-			get { return GetNode(XMLNames.DriverModel_Overspeed_Mode, required: false)?.InnerText.ParseEnum<DriverMode>() ?? DriverMode.Off; }
+			get { return GetNode(XMLNames.DriverModel_Overspeed_Mode, required: false)?.InnerText.Equals("Overspeed", StringComparison.InvariantCultureIgnoreCase) ?? false; }
 		}
 
 		#endregion
@@ -66,5 +67,11 @@ namespace TUGraz.VectoCore.InputData.FileIO.XML.Engineering.DataProvider
 
 
 		public XMLEngineeringOverspeedV10(IXMLEngineeringDriverData driverData, XmlNode node) : base(driverData, node) { }
+
+		public override bool Enabled
+		{
+			get { return XmlConvert.ToBoolean(GetNode(XMLNames.DriverModel_Overspeed_Enabled, required: false)?.InnerText ?? "false"); }
+		}
+
 	}
 }
diff --git a/VectoCore/VectoCore/InputData/Impl/InputData.cs b/VectoCore/VectoCore/InputData/Impl/InputData.cs
index f95031a34f85d1a768afe6519103648a4512b8e2..1b58b70b9da20c49633c5525968887b316735fbf 100644
--- a/VectoCore/VectoCore/InputData/Impl/InputData.cs
+++ b/VectoCore/VectoCore/InputData/Impl/InputData.cs
@@ -60,13 +60,12 @@ namespace TUGraz.VectoCore.InputData.Impl
 
 	public class OverSpeedInputData : IOverSpeedEngineeringInputData
 	{
-		public DriverMode Mode { get; internal set; }
+		public bool Enabled { get; internal set; }
 
 		public MeterPerSecond MinSpeed { get; internal set; }
 
 		public MeterPerSecond OverSpeed { get; internal set; }
 
-		public MeterPerSecond UnderSpeed { get; internal set; }
 	}
 
 	public class DriverAccelerationInputData : IDriverAccelerationData
diff --git a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs
index d395a74496ea3333b3f6ea7b14323668ad1ce063..e7d2a93c936334f4837506556bd6d62c38743724 100644
--- a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs
+++ b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs
@@ -64,17 +64,11 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 				LookAheadDistanceFactor = DeclarationData.Driver.LookAhead.LookAheadDistanceFactor,
 			};
 			var overspeedData = new DriverData.OverSpeedData {
-				Mode = DriverMode.Overspeed,
+				Enabled = true,
 				MinSpeed = DeclarationData.Driver.OverSpeed.MinSpeed,
 				OverSpeed = DeclarationData.Driver.OverSpeed.AllowedOverSpeed,
-				UnderSpeed = DeclarationData.Driver.OverSpeed.UnderSpeed
 			};
-			if (!DeclarationData.Driver.OverSpeed.AllowedModes.Contains(overspeedData.Mode)) {
-				throw new VectoSimulationException(
-					"Specified Overspeed/EcoRoll Mode not allowed in declaration mode! {0}",
-					overspeedData.Mode);
-			}
-
+			
 			var retVal = new DriverData {
 				LookAheadCoasting = lookAheadData,
 				OverSpeed = overspeedData,
diff --git a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs
index 8a2975ebae0189b04c736c3f0d2246a05b8ee38c..8efa64558e69d69ec9aea1bc8b25f815b590de19 100644
--- a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs
+++ b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs
@@ -363,10 +363,9 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 				LookAheadDistanceFactor = driver.Lookahead.LookaheadDistanceFactor
 			};
 			var overspeedData = new DriverData.OverSpeedData {
-				Mode = driver.OverSpeedData.Mode,
+				Enabled = driver.OverSpeedData.Enabled,
 				MinSpeed = driver.OverSpeedData.MinSpeed,
 				OverSpeed = driver.OverSpeedData.OverSpeed,
-				UnderSpeed = driver.OverSpeedData.UnderSpeed,
 			};
 			var retVal = new DriverData {
 				AccelerationCurve = accelerationData,
diff --git a/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs b/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
index 29f5895aa85bcc6e28c990ac93ab0a985a578c1d..d4992092034428db7b90e3b41009ec7653de5bad 100644
--- a/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
+++ b/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
@@ -129,14 +129,8 @@ namespace TUGraz.VectoCore.Models.Declaration
 
 			public static class OverSpeed
 			{
-				public static readonly IList<DriverMode> AllowedModes = new List<DriverMode> {
-					DriverMode.EcoRoll,
-					DriverMode.Overspeed
-				};
-
 				public static readonly MeterPerSecond MinSpeed = 50.KMPHtoMeterPerSecond();
 				public static readonly MeterPerSecond AllowedOverSpeed = 2.5.KMPHtoMeterPerSecond();
-				public static readonly MeterPerSecond UnderSpeed = 5.KMPHtoMeterPerSecond();
 			}
 
 			public static class EngineStopStart
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Data/DriverData.cs b/VectoCore/VectoCore/Models/SimulationComponent/Data/DriverData.cs
index 129ec4c44151f1e7b7a864fe5a17720f839c10e8..b104fcf0a7394960963580ab697af1f1d57435b6 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Data/DriverData.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Data/DriverData.cs
@@ -50,20 +50,30 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 
 		[Required, ValidateObject] public EcoRollData EcoRoll;
 
-		public static DriverMode ParseDriverMode(string mode)
+		public static bool ParseDriverMode(string mode)
 		{
-			return mode.Replace("-", "").ParseEnum<DriverMode>();
+			if (mode == null) {
+				return false;
+			}
+			var txt = mode.Replace("-", "");
+			if (txt.Equals("Off", StringComparison.InvariantCultureIgnoreCase)) {
+				return false;
+			}
+
+			if (txt.Equals(bool.TrueString, StringComparison.InvariantCultureIgnoreCase)) {
+				return true;
+			}
+
+			return false;
 		}
 
 		public class OverSpeedData
 		{
-			public DriverMode Mode;
+			public bool Enabled;
 
 			[Required, SIRange(0, 120 / Constants.MeterPerSecondToKMH)] public MeterPerSecond MinSpeed;
 
 			[Required, SIRange(0, 50 / Constants.MeterPerSecondToKMH)] public MeterPerSecond OverSpeed;
-
-			[Required, SIRange(0, 50 / Constants.MeterPerSecondToKMH)] public MeterPerSecond UnderSpeed;
 		}
 
 		public class EcoRollData
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Impl/DefaultDriverStrategy.cs b/VectoCore/VectoCore/Models/SimulationComponent/Impl/DefaultDriverStrategy.cs
index f25d16c51c1314408fe6f1424b687378090bd865..8ed29105710467118c9dd4cc85c13cde62d5c31b 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Impl/DefaultDriverStrategy.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Impl/DefaultDriverStrategy.cs
@@ -407,7 +407,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 				return false;
 			}
 
-			return Driver.DriverData.OverSpeed.Mode == DriverMode.Overspeed
+			return Driver.DriverData.OverSpeed.Enabled
 					&& velocity > Driver.DriverData.OverSpeed.MinSpeed
 					&& (velocity + Driver.DriverData.OverSpeed.OverSpeed) <
 					(Driver.DataBus.MaxVehicleSpeed ?? 500.KMPHtoMeterPerSecond());
diff --git a/VectoCore/VectoCore/OutputData/XML/Engineering/NinjectModules/XMLEngineeringWriterV10InjectModule.cs b/VectoCore/VectoCore/OutputData/XML/Engineering/NinjectModules/XMLEngineeringWriterV10InjectModule.cs
index f368c38b46fcf5fceebf061dccf3e9db3247aadf..1f91bb78b367e33f9aa11766916c23112ce4cffe 100644
--- a/VectoCore/VectoCore/OutputData/XML/Engineering/NinjectModules/XMLEngineeringWriterV10InjectModule.cs
+++ b/VectoCore/VectoCore/OutputData/XML/Engineering/NinjectModules/XMLEngineeringWriterV10InjectModule.cs
@@ -1,6 +1,7 @@
 using Ninject.Modules;
 using TUGraz.VectoCore.OutputData.XML.Engineering.Interfaces;
 using TUGraz.VectoCore.OutputData.XML.Engineering.Writer;
+using TUGraz.VectoCore.OutputData.XML.Engineering.Writer.DriverData;
 using TUGraz.VectoCore.OutputData.XML.Writer;
 using TUGraz.VectoCore.Utils;
 
diff --git a/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLAccelerationDataWriter.cs b/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLAccelerationDataWriter.cs
index 111392a0372a83a79f26e51b366f3901f31b435d..5c710154cf8d384845589c8d90f86249c086b46f 100644
--- a/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLAccelerationDataWriter.cs
+++ b/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLAccelerationDataWriter.cs
@@ -8,7 +8,7 @@ using TUGraz.VectoCore.Models.Declaration;
 using TUGraz.VectoCore.OutputData.XML.Engineering.Interfaces;
 using TUGraz.VectoCore.Utils;
 
-namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer
+namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer.DriverData
 {
 	internal class XMLAccelerationDataWriterV10 : AbstractXMLWriter, IXMLAccelerationDataWriter
 	{
diff --git a/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLEngineeringLookaheadDataWriter.cs b/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLEngineeringLookaheadDataWriter.cs
index 9bfeda37e5479953424146a77e3fbc4152bbddeb..b53f5f7d3613821e42beae72a3f98585901076e4 100644
--- a/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLEngineeringLookaheadDataWriter.cs
+++ b/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLEngineeringLookaheadDataWriter.cs
@@ -6,7 +6,7 @@ using TUGraz.VectoCommon.Resources;
 using TUGraz.VectoCore.OutputData.XML.Engineering.Interfaces;
 using TUGraz.VectoCore.Utils;
 
-namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer
+namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer.DriverData
 {
 	internal class XMLEngineeringLookaheadDataWriterV10 : AbstractXMLWriter, IXMLLookaheadDataWriter
 	{
diff --git a/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLEngineeringOverspeedDataWriter.cs b/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLEngineeringOverspeedDataWriter.cs
index 0358a6d83c4df4e64d671e5fbc9ba1ef646a859e..2aec7d978519956dd9feb37fc02b28024c4efd8e 100644
--- a/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLEngineeringOverspeedDataWriter.cs
+++ b/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLEngineeringOverspeedDataWriter.cs
@@ -1,11 +1,10 @@
 using System.Xml.Linq;
 using TUGraz.VectoCommon.InputData;
-using TUGraz.VectoCommon.Models;
 using TUGraz.VectoCommon.Resources;
 using TUGraz.VectoCore.OutputData.XML.Engineering.Interfaces;
 using TUGraz.VectoCore.Utils;
 
-namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer
+namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer.DriverData
 {
 	internal class XMLEngineeringOverspeedDataWriterV10 : AbstractXMLWriter, IXMLOverspeedDataWriter
 	{
@@ -25,17 +24,16 @@ namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer
 				return new object[] { };
 			}
 
-			if (overspeed.Mode != DriverMode.Off) {
+			if (overspeed.Enabled) {
 				return new object[] {
-					new XElement(ns + XMLNames.DriverModel_Overspeed_Mode, overspeed.Mode),
+					new XElement(ns + XMLNames.DriverModel_Overspeed_Enabled, overspeed.Enabled),
 					new XElement(ns + XMLNames.DriverModel_Overspeed_MinSpeed, overspeed.MinSpeed.AsKmph),
 					new XElement(ns + XMLNames.DriverModel_Overspeed_AllowedOverspeed, overspeed.OverSpeed.AsKmph),
-					new XElement(ns + XMLNames.DriverModel_Overspeed_AllowedUnderspeed, overspeed.UnderSpeed.AsKmph)
 				};
 			}
 
 			return new object[] {
-				new XElement(ns + XMLNames.DriverModel_Overspeed_Mode, overspeed.Mode),
+				new XElement(ns + XMLNames.DriverModel_Overspeed_Enabled, overspeed.Enabled),
 			};
 		}
 
diff --git a/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLShiftParmeterDataWriter.cs b/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLShiftParmeterDataWriter.cs
index 029c2e38d449ce4f1e3fc480e893c151d7a3af9c..c7593a35b4c459d9a8e3565679e0d0a6ae5d2a8d 100644
--- a/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLShiftParmeterDataWriter.cs
+++ b/VectoCore/VectoCore/OutputData/XML/Engineering/Writer/DriverData/XMLShiftParmeterDataWriter.cs
@@ -4,7 +4,7 @@ using TUGraz.VectoCommon.Resources;
 using TUGraz.VectoCore.OutputData.XML.Engineering.Interfaces;
 using TUGraz.VectoCore.Utils;
 
-namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer
+namespace TUGraz.VectoCore.OutputData.XML.Engineering.Writer.DriverData
 {
 	internal class XMLShiftParmeterDataWriterV10 : AbstractXMLWriter, IXMLGearshiftDataWriter
 	{
diff --git a/VectoCore/VectoCoreTest/FileIO/SimulationDataReaderTest.cs b/VectoCore/VectoCoreTest/FileIO/SimulationDataReaderTest.cs
index d2f3451b6077053fde9142e4cf8b96ccee1ac4f9..494bff0e7e00b95c15d123e5a1339654925ad7a7 100644
--- a/VectoCore/VectoCoreTest/FileIO/SimulationDataReaderTest.cs
+++ b/VectoCore/VectoCoreTest/FileIO/SimulationDataReaderTest.cs
@@ -91,13 +91,11 @@ namespace TUGraz.VectoCore.Tests.FileIO
 			//Assert.AreEqual(DeclarationData.Driver.LookAhead.Deceleration.Value(),
 			//	runData.DriverData.LookAheadCoasting.Deceleration.Value(), Tolerance);
 
-			Assert.AreNotEqual(DriverMode.Off, runData.DriverData.OverSpeed.Mode);
+			Assert.IsTrue(runData.DriverData.OverSpeed.Enabled);
 			Assert.AreEqual(DeclarationData.Driver.OverSpeed.MinSpeed.Value(),
 				runData.DriverData.OverSpeed.MinSpeed.Value(), Tolerance);
 			Assert.AreEqual(DeclarationData.Driver.OverSpeed.AllowedOverSpeed.Value(),
 				runData.DriverData.OverSpeed.OverSpeed.Value(), Tolerance);
-			Assert.AreEqual(DeclarationData.Driver.OverSpeed.UnderSpeed.Value(),
-				runData.DriverData.OverSpeed.UnderSpeed.Value(), Tolerance);
 
 			Assert.AreEqual(3.7890, runData.EngineData.Inertia.Value(), 1e-6);
 
diff --git a/VectoCore/VectoCoreTest/Integration/ATPowerTrain.cs b/VectoCore/VectoCoreTest/Integration/ATPowerTrain.cs
index 8d9f9fc0b0e39da74df1ab2c88fc77241c62463b..7c559d2e9541f170f27ecc03707991238a27a606 100644
--- a/VectoCore/VectoCoreTest/Integration/ATPowerTrain.cs
+++ b/VectoCore/VectoCoreTest/Integration/ATPowerTrain.cs
@@ -238,15 +238,11 @@ namespace TUGraz.VectoCore.Tests.Integration
 					LookAheadDistanceFactor = DeclarationData.Driver.LookAhead.LookAheadDistanceFactor,
 					LookAheadDecisionFactor = new LACDecisionFactor()
 				},
-				OverSpeed = overspeed
-					? new DriverData.OverSpeedData {
-						Mode = DriverMode.Overspeed,
+				OverSpeed = new DriverData.OverSpeedData {
+						Enabled = overspeed,
 						MinSpeed = 50.KMPHtoMeterPerSecond(),
 						OverSpeed = 5.KMPHtoMeterPerSecond()
 					}
-					: new DriverData.OverSpeedData {
-						Mode = DriverMode.Off
-					},
 			};
 		}
 	}
diff --git a/VectoCore/VectoCoreTest/Integration/CoachAdvancedAuxPowertrain.cs b/VectoCore/VectoCoreTest/Integration/CoachAdvancedAuxPowertrain.cs
index 7f623c19f6b711f1198181a6889eecef23177280..95b83362a83af55008981666bea11dbb2e88e9f4 100644
--- a/VectoCore/VectoCoreTest/Integration/CoachAdvancedAuxPowertrain.cs
+++ b/VectoCore/VectoCoreTest/Integration/CoachAdvancedAuxPowertrain.cs
@@ -219,15 +219,11 @@ namespace TUGraz.VectoCore.Tests.Integration
 					LookAheadDistanceFactor = DeclarationData.Driver.LookAhead.LookAheadDistanceFactor,
 					LookAheadDecisionFactor = new LACDecisionFactor()
 				},
-				OverSpeed = overspeed
-					? new DriverData.OverSpeedData {
-						Mode = DriverMode.Overspeed,
+				OverSpeed = new DriverData.OverSpeedData {
+						Enabled = overspeed,
 						MinSpeed = 50.KMPHtoMeterPerSecond(),
 						OverSpeed = 5.KMPHtoMeterPerSecond()
 					}
-					: new DriverData.OverSpeedData {
-						Mode = DriverMode.Off
-					},
 			};
 		}
 	}
diff --git a/VectoCore/VectoCoreTest/Integration/CoachPowerTrain.cs b/VectoCore/VectoCoreTest/Integration/CoachPowerTrain.cs
index 4347dccd755ca1283fdda0990b2265a095c9d1ad..0f16de0c47993cc16f287da03eb4763fc4b95cc0 100644
--- a/VectoCore/VectoCoreTest/Integration/CoachPowerTrain.cs
+++ b/VectoCore/VectoCoreTest/Integration/CoachPowerTrain.cs
@@ -226,15 +226,11 @@ namespace TUGraz.VectoCore.Tests.Integration
 					LookAheadDistanceFactor = DeclarationData.Driver.LookAhead.LookAheadDistanceFactor,
 					LookAheadDecisionFactor = new LACDecisionFactor()
 				},
-				OverSpeed = overspeed
-					? new DriverData.OverSpeedData {
-						Mode = DriverMode.Overspeed,
+				OverSpeed = new DriverData.OverSpeedData {
+						Enabled = overspeed,
 						MinSpeed = 50.KMPHtoMeterPerSecond(),
 						OverSpeed = 5.KMPHtoMeterPerSecond()
 					}
-					: new DriverData.OverSpeedData {
-						Mode = DriverMode.Off
-					},
 			};
 		}
 	}
diff --git a/VectoCore/VectoCoreTest/Integration/SimulationRuns/FullPowertrain.cs b/VectoCore/VectoCoreTest/Integration/SimulationRuns/FullPowertrain.cs
index 274b48027e58dfa122ac54a997b3e97063c4c9ef..168b2dd797151a04da29328d51cf10be6ad1268d 100644
--- a/VectoCore/VectoCoreTest/Integration/SimulationRuns/FullPowertrain.cs
+++ b/VectoCore/VectoCoreTest/Integration/SimulationRuns/FullPowertrain.cs
@@ -446,7 +446,7 @@ namespace TUGraz.VectoCore.Tests.Integration.SimulationRuns
 					LookAheadDecisionFactor = new LACDecisionFactor()
 				},
 				OverSpeed = new DriverData.OverSpeedData {
-					Mode = DriverMode.Off
+					Enabled = false
 				},
 			};
 		}
diff --git a/VectoCore/VectoCoreTest/Integration/SimulationRuns/MinimalPowertrain.cs b/VectoCore/VectoCoreTest/Integration/SimulationRuns/MinimalPowertrain.cs
index 37dc15e9d42dfdcb0b5467fda577f15d79661792..a04d079d9599464098755264b715cad8f37c5604 100644
--- a/VectoCore/VectoCoreTest/Integration/SimulationRuns/MinimalPowertrain.cs
+++ b/VectoCore/VectoCoreTest/Integration/SimulationRuns/MinimalPowertrain.cs
@@ -313,7 +313,7 @@ namespace TUGraz.VectoCore.Tests.Integration.SimulationRuns
 					LookAheadDecisionFactor = new LACDecisionFactor()
 				},
 				OverSpeed = new DriverData.OverSpeedData {
-					Mode = DriverMode.Off
+					Enabled = false
 				},
 			};
 		}
diff --git a/VectoCore/VectoCoreTest/Integration/Truck40tPowerTrain.cs b/VectoCore/VectoCoreTest/Integration/Truck40tPowerTrain.cs
index fe9ccf24b83c3cd4759b6a148b7b94096e0381f2..e39c805b85e8bc2e94541a93410ae3fff6f1cf56 100644
--- a/VectoCore/VectoCoreTest/Integration/Truck40tPowerTrain.cs
+++ b/VectoCore/VectoCoreTest/Integration/Truck40tPowerTrain.cs
@@ -255,15 +255,11 @@ namespace TUGraz.VectoCore.Tests.Integration
 					LookAheadDistanceFactor = DeclarationData.Driver.LookAhead.LookAheadDistanceFactor,
 					LookAheadDecisionFactor = new LACDecisionFactor()
 				},
-				OverSpeed = overspeed
-					? new DriverData.OverSpeedData() {
-						Mode = DriverMode.Overspeed,
+				OverSpeed = new DriverData.OverSpeedData() {
+						Enabled = overspeed,
 						MinSpeed = 50.KMPHtoMeterPerSecond(),
 						OverSpeed = 5.KMPHtoMeterPerSecond(),
 					}
-					: new DriverData.OverSpeedData {
-						Mode = DriverMode.Off
-					},
 			};
 		}
 	}
diff --git a/VectoCore/VectoCoreTest/Models/SimulationComponent/DriverTest.cs b/VectoCore/VectoCoreTest/Models/SimulationComponent/DriverTest.cs
index b4d4bdb269d4be4750c5c67587a4ffd94f7ed066..e0706b0f16c3d98605b319ccd2e14c2839eec485 100644
--- a/VectoCore/VectoCoreTest/Models/SimulationComponent/DriverTest.cs
+++ b/VectoCore/VectoCoreTest/Models/SimulationComponent/DriverTest.cs
@@ -437,7 +437,7 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponent
 					//Deceleration = -0.5.SI<MeterPerSquareSecond>()
 				},
 				OverSpeed = new DriverData.OverSpeedData {
-					Mode = DriverMode.Off
+					Enabled = false
 				},
 			};
 		}
diff --git a/VectoCore/VectoCoreTest/XML/XMLEngineeringInputRefTest.cs b/VectoCore/VectoCoreTest/XML/XMLEngineeringInputRefTest.cs
index f50341906f22a6b013b56a008b3ef2754a12b731..0824fbc2d062299a826f32c0bc7947b0d24b3b93 100644
--- a/VectoCore/VectoCoreTest/XML/XMLEngineeringInputRefTest.cs
+++ b/VectoCore/VectoCoreTest/XML/XMLEngineeringInputRefTest.cs
@@ -265,7 +265,7 @@ namespace TUGraz.VectoCore.Tests.XML
 
 			var adas = inputDataProvider.DriverInputData;
 
-			Assert.AreEqual(DriverMode.Overspeed, adas.OverSpeedData.Mode);
+			Assert.IsTrue(adas.OverSpeedData.Enabled);
 		}
 
 		[TestCase]
diff --git a/VectoCore/VectoCoreTest/XML/XMLEngineeringInputSingleTest.cs b/VectoCore/VectoCoreTest/XML/XMLEngineeringInputSingleTest.cs
index 98c74ef065d3b1da151db0ae4001884c63faf18a..694f361cd7ff63afdd51d91254b14864db752fe5 100644
--- a/VectoCore/VectoCoreTest/XML/XMLEngineeringInputSingleTest.cs
+++ b/VectoCore/VectoCoreTest/XML/XMLEngineeringInputSingleTest.cs
@@ -375,7 +375,7 @@ namespace TUGraz.VectoCore.Tests.XML
 
 			var adas = inputDataProvider.DriverInputData;
 
-			Assert.AreEqual(DriverMode.Overspeed, adas.OverSpeedData.Mode);
+			Assert.IsTrue(adas.OverSpeedData.Enabled);
 		}
 
 		[TestCase]
@@ -412,10 +412,9 @@ namespace TUGraz.VectoCore.Tests.XML
 			Assert.AreEqual(DeclarationData.Driver.LookAhead.MinimumSpeed.AsKmph, lac.MinSpeed.AsKmph, 1e-6);
 
 			var overspeed = driverDataProvider.OverSpeedData;
-			Assert.AreEqual(DriverMode.Overspeed, overspeed.Mode);
+			Assert.IsTrue(overspeed.Enabled);
 			Assert.AreEqual(50, overspeed.MinSpeed.AsKmph, 1e-6);
 			Assert.AreEqual(5, overspeed.OverSpeed.AsKmph, 1e-6);
-			Assert.AreEqual(5, overspeed.UnderSpeed.AsKmph, 1e-6);
 
 			var driverAcc = driverDataProvider.AccelerationCurve.AccelerationCurve;
 			Assert.AreEqual(2, driverAcc.Rows.Count);
@@ -561,10 +560,9 @@ namespace TUGraz.VectoCore.Tests.XML
 			Assert.AreEqual("1", lac.CoastingDecisionFactorVelocityDropLookup.Rows[1][1]);
 
 			var overspeed = driverDataProvider.OverSpeedData;
-			Assert.AreEqual(DriverMode.Overspeed, overspeed.Mode);
+			Assert.IsTrue(overspeed.Enabled);
 			Assert.AreEqual(50, overspeed.MinSpeed.AsKmph, 1e-6);
 			Assert.AreEqual(5, overspeed.OverSpeed.AsKmph, 1e-6);
-			Assert.AreEqual(5, overspeed.UnderSpeed.AsKmph, 1e-6);
 
 			var driverAcc = driverDataProvider.AccelerationCurve.AccelerationCurve;
 			Assert.AreEqual(2, driverAcc.Rows.Count);