diff --git a/DoubleDeckerBus/DoubleDeckerBus/DrawningObjectBus.cs b/DoubleDeckerBus/DoubleDeckerBus/DrawningObjectBus.cs
index 3fc5f97..e45f1f3 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/DrawningObjectBus.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/DrawningObjectBus.cs
@@ -36,5 +36,61 @@ namespace DoubleDeckerBus
         {
             return new DrawningObjectBus(data.CreateDrawningBus());
         }
+
+        public bool Equals(IDrawningObject? other)
+        {
+            if (other == null)
+            {
+                return false;
+            }
+            var otherBus = other as DrawningObjectBus;
+            if (otherBus == null)
+            {
+                return false;
+            }
+            var bus = _bus.Bus;
+            var otherBusBus = otherBus._bus.Bus;
+            if (bus.GetType().Name != otherBusBus.GetType().Name)
+            {
+                return false;
+            }
+            if (bus.Speed != otherBusBus.Speed)
+            {
+                return false;
+            }
+            if (bus.Weight != otherBusBus.Weight)
+            {
+                return false;
+            }
+            if (bus.BodyColor != otherBusBus.BodyColor)
+            {
+                return false;
+            }
+
+            if (bus is EntityDoubleDeckerBus DoubleDeckerBus && otherBusBus is EntityDoubleDeckerBus otherDoubleDeckerBus)
+            {
+
+                if (DoubleDeckerBus.Stair != otherDoubleDeckerBus.Stair)
+                {
+                    return false;
+                }
+
+                if (DoubleDeckerBus.SecondFloor != otherDoubleDeckerBus.SecondFloor)
+                {
+                    return false;
+                }
+                if (DoubleDeckerBus.BodyKit != otherDoubleDeckerBus.BodyKit)
+                {
+                    return false;
+                }
+                if (DoubleDeckerBus.DopColor != otherDoubleDeckerBus.DopColor)
+                {
+                    return false;
+                }
+
+            }
+
+            return true;
+        }
     }
 }
diff --git a/DoubleDeckerBus/DoubleDeckerBus/IDrawningObject.cs b/DoubleDeckerBus/DoubleDeckerBus/IDrawningObject.cs
index 48520e0..0a5b174 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/IDrawningObject.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/IDrawningObject.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace DoubleDeckerBus
 {
-    internal interface IDrawningObject
+    internal interface IDrawningObject : IEquatable<IDrawningObject>
     {
         /// <summary>
         /// Шаг перемещения объекта
diff --git a/DoubleDeckerBus/DoubleDeckerBus/MapWithSetBusesGeneric.cs b/DoubleDeckerBus/DoubleDeckerBus/MapWithSetBusesGeneric.cs
index 77aa5f1..e4e83b2 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/MapWithSetBusesGeneric.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/MapWithSetBusesGeneric.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace DoubleDeckerBus
 {
     internal class MapWithSetBusesGeneric<T,U>
-        where T : class, IDrawningObject
+        where T : class, IDrawningObject, IEquatable<T>
         where U : AbstractMap
     {
         /// <summary>
diff --git a/DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs b/DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs
index d27f58d..9831230 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace DoubleDeckerBus
 {
     internal class SetBusesGeneric<T>
-        where T : class
+        where T : class, IEquatable<T>
     {
         /// <summary>
         /// Список объектов, которые храним
@@ -45,11 +45,17 @@ namespace DoubleDeckerBus
         /// <returns></returns>
         public int Insert(T bus, int position)
         {
+            if (_places.Contains(bus))
+            {
+                throw new ArgumentException("Такой автобус уже существует");
+            }
+
             if (position < 0 || position >= _maxCount)
             {
                 throw new BusNotFoundException("Место указано неверно");
             }
 
+
             BusyPlaces++;
             _places.Insert(position, bus);
             return position;