diff --git a/src/basegame/CSM.BaseGame.csproj b/src/basegame/CSM.BaseGame.csproj
index 1d2e91e9..bc4f165a 100644
--- a/src/basegame/CSM.BaseGame.csproj
+++ b/src/basegame/CSM.BaseGame.csproj
@@ -76,6 +76,7 @@
     <Compile Include="Commands\Data\Buildings\BuildingSetHistoricalCommand.cs" />
     <Compile Include="Commands\Data\Buildings\BuildingSetTollPriceCommand.cs" />
     <Compile Include="Commands\Data\Buildings\BuildingSetTransferReasonCommand.cs" />
+    <Compile Include="Commands\Data\Buildings\BuildingSetVariationCommand.cs" />
     <Compile Include="Commands\Data\Buildings\BuildingToolCreateCommand.cs" />
     <Compile Include="Commands\Data\Buildings\BuildingUpgradeCommand.cs" />
     <Compile Include="Commands\Data\Buildings\ServiceBuildingChangeVehicleCommand.cs" />
@@ -118,6 +119,7 @@
     <Compile Include="Commands\Data\Props\PropCreateCommand.cs" />
     <Compile Include="Commands\Data\Props\PropMoveCommand.cs" />
     <Compile Include="Commands\Data\Props\PropReleaseCommand.cs" />
+    <Compile Include="Commands\Data\Roads\RoadAdjustCommand.cs" />
     <Compile Include="Commands\Data\Roads\RoadSetPriorityCommand.cs" />
     <Compile Include="Commands\Data\Roads\RoadSettingsCommand.cs" />
     <Compile Include="Commands\Data\Terrain\SoilTradeCommand.cs" />
@@ -156,6 +158,7 @@
     <Compile Include="Commands\Handler\Buildings\BuildingSetHistoricalHandler.cs" />
     <Compile Include="Commands\Handler\Buildings\BuildingSetTollPriceHandler.cs" />
     <Compile Include="Commands\Handler\Buildings\BuildingSetTransferReasonHandler.cs" />
+    <Compile Include="Commands\Handler\Buildings\BuildingSetVariationHandler.cs" />
     <Compile Include="Commands\Handler\Buildings\BuildingToolCreateHandler.cs" />
     <Compile Include="Commands\Handler\Buildings\BuildingUpgradeHandler.cs" />
     <Compile Include="Commands\Handler\Buildings\TransportLineChangeVehicleHandler.cs" />
@@ -198,6 +201,7 @@
     <Compile Include="Commands\Handler\Props\PropCreateHandler.cs" />
     <Compile Include="Commands\Handler\Props\PropMoveHandler.cs" />
     <Compile Include="Commands\Handler\Props\PropReleaseHandler.cs" />
+    <Compile Include="Commands\Handler\Roads\RoadAdjustHandler.cs" />
     <Compile Include="Commands\Handler\Roads\RoadSetPriorityHandler.cs" />
     <Compile Include="Commands\Handler\Roads\RoadSettingsHandler.cs" />
     <Compile Include="Commands\Handler\Terrain\SoilTradeHandler.cs" />
diff --git a/src/basegame/Commands/Data/Buildings/BuildingSetVariationCommand.cs b/src/basegame/Commands/Data/Buildings/BuildingSetVariationCommand.cs
new file mode 100644
index 00000000..28906084
--- /dev/null
+++ b/src/basegame/Commands/Data/Buildings/BuildingSetVariationCommand.cs
@@ -0,0 +1,26 @@
+using CSM.API.Commands;
+using ProtoBuf;
+
+namespace CSM.BaseGame.Commands.Data.Buildings
+{
+    /// <summary>
+    ///     Called when the building variation was changed.
+    /// </summary>
+    /// Sent by:
+    /// - BuildingHandler
+    [ProtoContract]
+    public class BuildingSetVariationCommand : CommandBase
+    {
+        /// <summary>
+        ///     The id of the modified building.
+        /// </summary>
+        [ProtoMember(1)]
+        public ushort Building { get; set; }
+
+        /// <summary>
+        ///     The new variation flags.
+        /// </summary>
+        [ProtoMember(2)]
+        public Building.Flags2 Variation { get; set; }
+    }
+}
diff --git a/src/basegame/Commands/Data/Roads/RoadAdjustCommand.cs b/src/basegame/Commands/Data/Roads/RoadAdjustCommand.cs
new file mode 100644
index 00000000..256a8e2b
--- /dev/null
+++ b/src/basegame/Commands/Data/Roads/RoadAdjustCommand.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using CSM.API.Commands;
+using ProtoBuf;
+
+namespace CSM.BaseGame.Commands.Data.Roads
+{
+    /// <summary>
+    ///     Sent when the player adjusts the extents of a road through the route menu.
+    /// </summary>
+    /// Sent by: RoadHandler
+    [ProtoContract]
+    public class RoadAdjustCommand : CommandBase
+    {
+        /// <summary>
+        ///     The segments previously belonging to the edited road.
+        /// </summary>
+        [ProtoMember(1)]
+        public HashSet<ushort> OriginalSegments { get; set; }
+
+        /// <summary>
+        ///     The segments now belonging to the edited road.
+        /// </summary>
+        [ProtoMember(2)]
+        public HashSet<ushort> IncludedSegments { get; set; }
+
+        /// <summary>
+        ///     The selected road segment instance.
+        /// </summary>
+        [ProtoMember(3)]
+        public InstanceID LastInstance { get; set; }
+    }
+}
diff --git a/src/basegame/Commands/Handler/Buildings/BuildingSetVariationHandler.cs b/src/basegame/Commands/Handler/Buildings/BuildingSetVariationHandler.cs
new file mode 100644
index 00000000..016a5a05
--- /dev/null
+++ b/src/basegame/Commands/Handler/Buildings/BuildingSetVariationHandler.cs
@@ -0,0 +1,21 @@
+using ColossalFramework;
+using CSM.API.Commands;
+using CSM.API.Helpers;
+using CSM.BaseGame.Commands.Data.Buildings;
+
+namespace CSM.BaseGame.Commands.Handler.Buildings
+{
+    public class BuildingSetVariationHandler : CommandHandler<BuildingSetVariationCommand>
+    {
+        protected override void Handle(BuildingSetVariationCommand command)
+        {
+            IgnoreHelper.Instance.StartIgnore();
+
+            CommonBuildingAI building_ai = Singleton<BuildingManager>.instance.m_buildings.m_buffer[command.Building].Info.m_buildingAI as CommonBuildingAI;
+            if (building_ai != null)
+                building_ai.ReplaceVariation(command.Building, command.Variation);
+
+            IgnoreHelper.Instance.EndIgnore();
+        }
+    }
+}
diff --git a/src/basegame/Commands/Handler/Roads/RoadAdjustHandler.cs b/src/basegame/Commands/Handler/Roads/RoadAdjustHandler.cs
new file mode 100644
index 00000000..466fc81a
--- /dev/null
+++ b/src/basegame/Commands/Handler/Roads/RoadAdjustHandler.cs
@@ -0,0 +1,42 @@
+using System.Collections.Generic;
+using CSM.API.Commands;
+using CSM.API.Helpers;
+using CSM.BaseGame.Commands.Data.Roads;
+
+namespace CSM.BaseGame.Commands.Handler.Roads
+{
+    public class RoadAdjustHandler : CommandHandler<RoadAdjustCommand>
+    {
+        private NetAdjust _adjustDummy;
+
+        protected override void Handle(RoadAdjustCommand command)
+        {
+            IgnoreHelper.Instance.StartIgnore();
+
+            if (_adjustDummy == null)
+            {
+                SetupAdjustDummy();
+            }
+
+            ReflectionHelper.SetAttr(_adjustDummy, "m_originalSegments", command.OriginalSegments);
+            ReflectionHelper.SetAttr(_adjustDummy, "m_includedSegments", command.IncludedSegments);
+            ReflectionHelper.SetAttr(_adjustDummy, "m_lastInstance", command.LastInstance);
+            ReflectionHelper.SetAttr(_adjustDummy, "m_tempAdjustmentIndex", 0);
+
+            _adjustDummy.ApplyModification(0);
+
+            IgnoreHelper.Instance.EndIgnore();
+        }
+
+        private void SetupAdjustDummy()
+        {
+            _adjustDummy = new NetAdjust();
+            ReflectionHelper.SetAttr(_adjustDummy, "m_pathVisible", true);
+            ReflectionHelper.SetAttr(_adjustDummy, "m_startPath", new FastList<ushort>());
+            ReflectionHelper.SetAttr(_adjustDummy, "m_endPath", new FastList<ushort>());
+            ReflectionHelper.SetAttr(_adjustDummy, "m_tempPath", new FastList<ushort>());
+            ReflectionHelper.SetAttr(_adjustDummy, "m_segmentQueue", new FastList<ushort>());
+            ReflectionHelper.SetAttr(_adjustDummy, "m_segmentData", new Dictionary<ushort, NetAdjust.SegmentData>());
+        }
+    }
+}
diff --git a/src/basegame/Injections/BuildingHandler.cs b/src/basegame/Injections/BuildingHandler.cs
index e1807b03..e8637275 100644
--- a/src/basegame/Injections/BuildingHandler.cs
+++ b/src/basegame/Injections/BuildingHandler.cs
@@ -423,4 +423,28 @@ public static void Postfix(ushort buildingId, VehicleInfo info)
             });
         }
     }
+
+    [HarmonyPatch(typeof(CommonBuildingAI))]
+    [HarmonyPatch("ReplaceVariation")]
+    public class ReplaceVariation
+    {
+        public static void Prefix(ushort buildingID, Building.Flags2 variation)
+        {
+            if (IgnoreHelper.Instance.IsIgnored())
+            {
+                return;
+            }
+
+            if ((variation & Building.Flags2.SubmeshVariation) == Building.Flags2.None)
+            {
+                return;
+            }
+
+            Command.SendToAll(new BuildingSetVariationCommand
+            {
+                Building = buildingID,
+                Variation = variation,
+            });
+        }
+    }
 }
diff --git a/src/basegame/Injections/RoadHandler.cs b/src/basegame/Injections/RoadHandler.cs
index 76329ba7..eb8077ab 100644
--- a/src/basegame/Injections/RoadHandler.cs
+++ b/src/basegame/Injections/RoadHandler.cs
@@ -86,4 +86,27 @@ public static MethodBase TargetMethod()
             return ReflectionHelper.GetIteratorTargetMethod(typeof(NetManager), "<SetPriorityRoad>c__Iterator3", out Type _);
         }
     }
+
+    [HarmonyPatch(typeof(NetAdjust))]
+    [HarmonyPatch("ApplyModification")]
+    public class ApplyModification
+    {
+        public static void Prefix(int index, bool ___m_pathVisible, int ___m_tempAdjustmentIndex,
+                HashSet<ushort> ___m_originalSegments, HashSet<ushort> ___m_includedSegments,
+                InstanceID ___m_lastInstance)
+        {
+            if (IgnoreHelper.Instance.IsIgnored())
+                return;
+
+            if (!___m_pathVisible || ___m_tempAdjustmentIndex != index)
+                return;
+
+            Command.SendToAll(new RoadAdjustCommand()
+            {
+                OriginalSegments = ___m_originalSegments,
+                IncludedSegments = ___m_includedSegments,
+                LastInstance = ___m_lastInstance,
+            });
+        }
+    }
 }