diff --git a/Configuration/ZTSettings.ztc b/Configuration/ZTSettings.ztc
index 1383fd4..10ab104 100644
Binary files a/Configuration/ZTSettings.ztc and b/Configuration/ZTSettings.ztc differ
diff --git a/sources/Event.cpp b/sources/Event.cpp
index beb2bd2..e87e6ce 100644
--- a/sources/Event.cpp
+++ b/sources/Event.cpp
@@ -28,9 +28,10 @@
 
 #include "Event.h"
 
-CEvent::CEvent(unsigned int EventType, QString EventLabel, bool IsItemAnimated)
+CEvent::CEvent(unsigned int EventType, QString EventLabel, bool IsItemAnimated, int Color)
 {
 	mEventType = EventType;
 	mEventLabel = EventLabel;
 	mItemAnimated = IsItemAnimated;
+    mEventColor = Color;
 }
diff --git a/sources/Event.h b/sources/Event.h
index d6680c5..fc4e1c0 100644
--- a/sources/Event.h
+++ b/sources/Event.h
@@ -35,11 +35,12 @@
 class CEvent
 {
 public:
-	CEvent(unsigned int EventType, QString EventLabel,bool IsItemAnimated);
+    CEvent(unsigned int EventType, QString EventLabel,bool IsItemAnimated, int Color);
 
 	unsigned int mEventType;
 	QString mEventLabel;
 	bool mItemAnimated;
+    int mEventColor;
 };
 
 #endif // EVENT_H
diff --git a/sources/EventMgr.cpp b/sources/EventMgr.cpp
index 8f18730..a199af3 100644
--- a/sources/EventMgr.cpp
+++ b/sources/EventMgr.cpp
@@ -81,6 +81,7 @@ bool CEventMgr::AddEvent(unsigned int EventID)
 
 	QString Label;
 	bool IsAnimated = false;
+    int Color = CEventItem::EVENT_ITEM_COLOR_RED;
 	switch(EventID)
 	{
 		case EVENT_FN_HS:
@@ -129,9 +130,23 @@ bool CEventMgr::AddEvent(unsigned int EventID)
 			IsAnimated = true;
 			break;
 		}
+        case EVENT_ZT1_INHIBITION:
+        {
+            Label = "Passage ZT1 inhibé";
+            IsAnimated = true;
+            Color = CEventItem::EVENT_ITEM_COLOR_GREEN;
+            break;
+        }
+        case EVENT_ZT2_INHIBITION:
+        {
+            Label = "Passage ZT2 inhibé";
+            IsAnimated = true;
+            Color = CEventItem::EVENT_ITEM_COLOR_GREEN;
+            break;
+        }
 	}
 
-	CEvent *NewEvent = new CEvent(EventID,Label,IsAnimated);
+    CEvent *NewEvent = new CEvent(EventID,Label,IsAnimated,Color);
 	mEventsList.append(NewEvent);
 
 	return true;
diff --git a/sources/EventMgr.h b/sources/EventMgr.h
index ed1ff4d..d3e6ed6 100644
--- a/sources/EventMgr.h
+++ b/sources/EventMgr.h
@@ -45,6 +45,8 @@ enum eEventTypeID
 	EVENT_CA_PG,
 	EVENT_PEQ1,
 	EVENT_MAINTENANCE,
+    EVENT_ZT1_INHIBITION,
+    EVENT_ZT2_INHIBITION,
 	EVENT_MAX_EVENT_ID
 };
 
diff --git a/sources/GuiElements/EventItem.cpp b/sources/GuiElements/EventItem.cpp
index c083b50..f33c8d6 100644
--- a/sources/GuiElements/EventItem.cpp
+++ b/sources/GuiElements/EventItem.cpp
@@ -34,13 +34,17 @@
 #include "CDV.h"
 #include <QPoint>
 
-CEventItem::CEventItem(QString Label,bool Animated,QGraphicsItem *Parent)
+CEventItem::CEventItem(QString Label, bool Animated, QGraphicsItem *Parent, int Color)
 {
 	setParentItem(Parent);
 
-//	mCDVFreeBrush = new QBrush(Qt::gray);
-//	mCDVITICommandedBrush = new QBrush(Qt::darkGreen);
-//	mCDVOccupiedBrush = new QBrush(Qt::yellow);
+
+    if(Color != EVENT_ITEM_COLOR_RED && Color != EVENT_ITEM_COLOR_GREEN)
+    {
+        Color = EVENT_ITEM_COLOR_RED;
+    }
+
+    mColor = Color;
 
 	setGeometry(0,0,40,25);
 	mCurBrush = new QBrush(Qt::lightGray);
@@ -75,7 +79,16 @@ void CEventItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option
 	QRectF EventRect = rect();
 
 	if(mAnimated)
-		mCurBrush->setColor(QColor(255,mAlpha,mAlpha,255));
+    {
+        if(mColor == EVENT_ITEM_COLOR_RED)
+        {
+            mCurBrush->setColor(QColor(255,mAlpha,mAlpha,255));
+        }
+        else
+        {
+            mCurBrush->setColor(QColor(mAlpha,255,mAlpha,255));
+        }
+    }
 
 	painter->setBrush(*mCurBrush);
 	painter->setPen(Qt::black);
diff --git a/sources/GuiElements/EventItem.h b/sources/GuiElements/EventItem.h
index 0508d42..944106b 100644
--- a/sources/GuiElements/EventItem.h
+++ b/sources/GuiElements/EventItem.h
@@ -39,7 +39,14 @@ class CEventItem : public QGraphicsWidget
 	Q_OBJECT
 
 public:
-	CEventItem(QString Label,bool Animated,QGraphicsItem *Parent = 0);
+    enum eEventColor
+    {
+        EVENT_ITEM_COLOR_RED,
+        EVENT_ITEM_COLOR_GREEN
+    };
+
+
+    CEventItem(QString Label,bool Animated,QGraphicsItem *Parent = 0, int Color = EVENT_ITEM_COLOR_RED);
 	~CEventItem();
 
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
@@ -59,6 +66,7 @@ private:
 	bool mAnimated;
 	QTimeLine *mAnimationTimeline;
 	unsigned int mAlpha;
+    int mColor;
 
 signals:
 	void EventItemRightClicked(CEventItem*);
diff --git a/sources/GuiElements/EventsBar.cpp b/sources/GuiElements/EventsBar.cpp
index 10a22be..1c111cc 100644
--- a/sources/GuiElements/EventsBar.cpp
+++ b/sources/GuiElements/EventsBar.cpp
@@ -72,7 +72,7 @@ void CEventsBar::UpdateEventsList()
 
 	for(int i = 0; i < mEventsList->size(); i++)
 	{
-		CEventItem *NewItem = new CEventItem(mEventsList->at(i)->mEventLabel,mEventsList->at(i)->mItemAnimated,this);
+        CEventItem *NewItem = new CEventItem(mEventsList->at(i)->mEventLabel,mEventsList->at(i)->mItemAnimated,this,mEventsList->at(i)->mEventColor);
 		mEventsItemList.append(NewItem);
 	}
 	UpdateDisplay();
diff --git a/sources/ZTStateMachine.cpp b/sources/ZTStateMachine.cpp
index 5703513..63746d4 100644
--- a/sources/ZTStateMachine.cpp
+++ b/sources/ZTStateMachine.cpp
@@ -36,13 +36,16 @@
 #include "math.h"
 #include "MaintenancePage.h"
 #include "RamMonitor.h"
+#include "Zonetest.h"
 //#include "ModbusCCDefs.h"
 
-CZTStateMachine::CZTStateMachine(QObject *parent) :
+CZTStateMachine::CZTStateMachine(CZoneTest *ZTPtr, QObject *parent) :
 	QObject(parent)
 {
 	QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));
 
+    mProgramPtr = ZTPtr;
+
 	mZT1State = ZT1_WAIT_FOR_CI_STATE;
 	mZT2State = ZT2_WAIT_FOR_CI_STATE;
 	mZTState = ZT_INIT_STATE;
@@ -320,10 +323,12 @@ unsigned int CZTStateMachine::ZT1StateMachine(unsigned int Event, unsigned int S
             if(mCIZT1Active == false)
             {
                 mZT1State = ZT1_WAIT_FOR_CI_STATE;
+                mProgramPtr->SetZT1InhibitionState(false);
             }
             if(!mZTStationPtr->IsZT1CDVOccupied() && !mZTStationPtr->IsZT1SubsequentCDVOccupied())
             {
                 mZT1State = ZT1_WAIT_FOR_TRAIN_STATE;
+                mProgramPtr->SetZT1InhibitionState(false);
             }
 
             break;
@@ -355,8 +360,10 @@ unsigned int CZTStateMachine::ZT1StateMachine(unsigned int Event, unsigned int S
                             mZT1TrainComposition = mModbusCCMgr->GetZT1TrainComposition();
                             mZTPagePTr->SetZT1TrainData(mTrainTypeDetected,mZT1TrainComposition);
                         }
+
+                        mProgramPtr->SetZT1InhibitionState(true);
                     }
-                }
+                   }
 
                 if(abort == false)
                 {
@@ -1131,6 +1138,8 @@ unsigned int CZTStateMachine::ZT2StateMachine(unsigned int Event, unsigned int S
                             mZT2TrainType = (unsigned)mModbusCCMgr->GetZT2TrainType();
                             mZT2TrainComposition = mModbusCCMgr->GetZT2TrainComposition();
                             mZTPagePTr->SetZT2TrainData(mZT2TrainType,mZT2TrainComposition);
+
+                            mProgramPtr->SetZT2InhibitionState(true);
                         }
                     }
 
@@ -1203,6 +1212,7 @@ unsigned int CZTStateMachine::ZT2StateMachine(unsigned int Event, unsigned int S
                 {
                     CZTLog::instance()->AddLogString("CDV ZT2 Libéré.  ZT2 prête",true);
                     mZT2State = ZT2_WAIT_FOR_CI_STATE;
+                    mProgramPtr->SetZT2InhibitionState(false);
                 }
                 break;
             }
diff --git a/sources/ZTStateMachine.h b/sources/ZTStateMachine.h
index c69d061..e250d52 100644
--- a/sources/ZTStateMachine.h
+++ b/sources/ZTStateMachine.h
@@ -96,13 +96,13 @@ enum ePostDetectionRet
 	RET_POST_DETECTION_MAX_RET
 };
 
-
+class CZoneTest;
 
 class CZTStateMachine : public QObject
 {
 	Q_OBJECT
 public:
-	explicit CZTStateMachine(QObject *parent = 0);
+    explicit CZTStateMachine(CZoneTest *ZTPtr,QObject *parent = 0);
 	~CZTStateMachine();
 	unsigned int ZTStateMachine(unsigned int Event, unsigned int SubEvent = 0);		//Exécution de la SM principale
     void BindPointers(CStation *ptr,CInputModule *InputModule,COutputModule *OutputModule,CZTPage *ZTPagePTr,CPCIIOMgr *PCIIOPtr,CAbstractLazerProbe *PGIntProbePtr, CAbstractLazerProbe *PGExtProbePTr,CLogMgr *LogMgr,CTKTransportInterface *TKTransport,CZTSimulator *ZTSimPtr = 0,CAnalogInputModule *DataQInterface = 0); //Assignation de pointeurs
@@ -171,6 +171,7 @@ private:
 	int mAnalogReading;
 
 
+    CZoneTest *mProgramPtr;
 	CStation *mZTStationPtr;
 	CAnalogInputModule *mSDFAnalogMonitorInterface;
 	CInputModule *mInputModule;
diff --git a/sources/Zonetest.cpp b/sources/Zonetest.cpp
index c18153c..0fb91e6 100644
--- a/sources/Zonetest.cpp
+++ b/sources/Zonetest.cpp
@@ -76,7 +76,7 @@ CZoneTest::CZoneTest():
     connect(mZTStateMachineTimer, SIGNAL(timeout()), this, SLOT(SMTimerExpired()));
 	panel.installEventFilter(this);	//Install an event filter for CZoneTest to manage some events from GUI
 
-	mZTStateMachine = new CZTStateMachine();
+    mZTStateMachine = new CZTStateMachine(this);
 	mZTSimulator = 0;
 	mIOManager = 0;
 	mLazerProbesManager = 0;
@@ -1222,6 +1222,32 @@ unsigned int CZoneTest::SetZTFunctionsConfig(const CTCPZTFunctionsStatus &Functi
     return RET_OK;
 }
 
+int CZoneTest::SetZT1InhibitionState(bool InhibitionON)
+{
+    if(InhibitionON)
+    {
+        mEventMgr->AddSingleEvent(EVENT_ZT1_INHIBITION);
+    }
+    else
+    {
+        mEventMgr->RemoveSingleEvent(EVENT_ZT1_INHIBITION);
+    }
+    return RET_OK;
+}
+
+int CZoneTest::SetZT2InhibitionState(bool InhibitionON)
+{
+    if(InhibitionON)
+    {
+        mEventMgr->AddSingleEvent(EVENT_ZT2_INHIBITION);
+    }
+    else
+    {
+        mEventMgr->RemoveSingleEvent(EVENT_ZT2_INHIBITION);
+    }
+    return RET_OK;
+}
+
 
 void CZoneTest::ApplicationQuit(bool PowerButton)
 {
diff --git a/sources/Zonetest.h b/sources/Zonetest.h
index 5f5b072..c0d42bb 100644
--- a/sources/Zonetest.h
+++ b/sources/Zonetest.h
@@ -143,7 +143,9 @@ public:
     unsigned int DeleteZTLogRequest();
     unsigned int SetZTFunctionsConfig(const CTCPZTFunctionsStatus &FunctionsConfig);
 
-
+    //ZTStateMachine requests
+    int SetZT1InhibitionState(bool InhibitionON);
+    int SetZT2InhibitionState(bool InhibitionON);