diff --git a/VectoCore/VectoCore/Configuration/Constants.cs b/VectoCore/VectoCore/Configuration/Constants.cs
index 4df16f178e10ea2cd17f16bec0d5917081c5929f..e557706113b079004423c6d76afb963630e2cfba 100644
--- a/VectoCore/VectoCore/Configuration/Constants.cs
+++ b/VectoCore/VectoCore/Configuration/Constants.cs
@@ -203,6 +203,9 @@ namespace TUGraz.VectoCore.Configuration
 
 			public static readonly MeterPerSecond MaxBusSpeed = 103.KMPHtoMeterPerSecond();
 
+			public static readonly Meter VehicleWidthLow = 2.5.SI<Meter>();
+			public static readonly Meter VehicleWidthHigh = 2.55.SI<Meter>();
+
 			public static class Auxiliaries
 			{
 				public static class SteeringPump
diff --git a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapterSingleBus.cs b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapterSingleBus.cs
index 33593632c5996f198048440db05e513eac52bae1..76710d611ff9d0f12f89d70d9fc5ebadd1c3d79d 100644
--- a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapterSingleBus.cs
+++ b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapterSingleBus.cs
@@ -24,7 +24,7 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 			var busFloorArea = DeclarationData.BusAuxiliaries.CalculateBusFloorSurfaceArea(CompletedVehicle.Length,
 																							CompletedVehicle.Width);
 			var passengerCountRef = busFloorArea * mission.BusParameter.PassengerDensity;
-			var passengerCountDecl = CompletedVehicle.NuberOfPassengersUpperDeck + CompletedVehicle.NumberOfPassengersLowerDeck);
+			var passengerCountDecl = CompletedVehicle.NuberOfPassengersUpperDeck + CompletedVehicle.NumberOfPassengersLowerDeck;
 			//var refLoad = passengerCount * mission.MissionType.GetAveragePassengerMass();
 			if (loading.Key != LoadingType.ReferenceLoad && loading.Key != LoadingType.LowLoading) {
 				throw new VectoException("Unhandled loading type: {0}", loading.Key);
@@ -131,6 +131,7 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 			var hvacBusLength = busAux.HVACAux.SystemConfiguration == BusHVACSystemConfiguration.Configuration2
 				? 2 * Constants.BusParameters.DriverCompartmentLength
 				: CompletedVehicle.Length;
+			var correctedBusWidth = DeclarationData.BusAuxiliaries.CorrectedBusWidth(CompletedVehicle.Width);
 
 			var hvacBusheight = DeclarationData.BusAuxiliaries.CalculateInternalHeight(CompletedVehicle.FloorType, 
 				IsDoubleDecker, CompletedVehicle.Height);
@@ -142,12 +143,12 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 
 			retVal.BusWindowSurface = DeclarationData.BusAuxiliaries.WindowHeight(IsDoubleDecker) * hvacBusLength +
 									DeclarationData.BusAuxiliaries.FrontAndRearWindowArea(IsDoubleDecker);
-			retVal.BusSurfaceArea = 2 * (hvacBusLength * CompletedVehicle.Width + hvacBusLength * CompletedVehicle.Height +
-										CompletedVehicle.Width * CompletedVehicle.Height);
-			retVal.BusVolume = hvacBusLength * CompletedVehicle.Width * hvacBusheight;
+			retVal.BusSurfaceArea = 2 * (hvacBusLength * correctedBusWidth + hvacBusLength * CompletedVehicle.Height +
+										correctedBusWidth * CompletedVehicle.Height);
+			retVal.BusVolume = hvacBusLength * correctedBusWidth * hvacBusheight;
 			retVal.UValue = DeclarationData.BusAuxiliaries.UValue(CompletedVehicle.FloorType);
 			retVal.NumberOfPassengers =
-				(DeclarationData.BusAuxiliaries.CalculateBusFloorSurfaceArea(hvacBusLength, CompletedVehicle.Width) *
+				(DeclarationData.BusAuxiliaries.CalculateBusFloorSurfaceArea(hvacBusLength, correctedBusWidth) *
 				mission.BusParameter.PassengerDensity).LimitTo(0, CompletedVehicle.NuberOfPassengersUpperDeck + CompletedVehicle.NumberOfPassengersLowerDeck) + 1; // add driver for 'heat input'
 			retVal.VentilationRate = DeclarationData.BusAuxiliaries.VentilationRate(busAux.HVACAux.SystemConfiguration, false);
 			retVal.VentilationRateHeating = DeclarationData.BusAuxiliaries.VentilationRate(busAux.HVACAux.SystemConfiguration, true);
@@ -169,7 +170,7 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 				CompletedVehicle.NumberOfPassengersLowerDeck);
 			var height = DeclarationData.BusAuxiliaries.CalculateInternalHeight(CompletedVehicle.FloorType,
 																				IsDoubleDecker, CompletedVehicle.Height);
-			var volume = length * height * CompletedVehicle.Width;
+			var volume = length * height * DeclarationData.BusAuxiliaries.CorrectedBusWidth(CompletedVehicle.Width);
 
 			var hvacConfiguration = CompletedVehicle.Components.BusAuxiliaries.HVACAux.SystemConfiguration;
 
diff --git a/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs b/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
index 09fc3b80bdfea212736c4b00ddf3e29d5d6fa8d6..315b0a5851454a527d65007b95d3c473f9ede4f0 100644
--- a/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
+++ b/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
@@ -223,9 +223,15 @@ namespace TUGraz.VectoCore.Models.Declaration
 
 			public static SquareMeter CalculateBusFloorSurfaceArea(Meter busLength, Meter busWidth)
 			{
-				return (busLength - Constants.BusParameters.DriverCompartmentLength) * busWidth;
+				return (busLength - Constants.BusParameters.DriverCompartmentLength) * CorrectedBusWidth(busWidth);
 			}
 
+			public static Meter CorrectedBusWidth(Meter busWidth)
+			{
+				return busWidth.IsBetween(Constants.BusParameters.VehicleWidthLow, Constants.BusParameters.VehicleWidthHigh)
+					? Constants.BusParameters.VehicleWidthHigh
+					: busWidth;
+			}
 			 
 
 			public static Meter CalculateInternalLength(Meter vehicleLength, bool doubleDecker, FloorType floorType, double numPassLowFloor)