diff --git a/Katers Sylva Interchange Lights/Definition.json b/Katers Sylva Interchange Lights/Definition.json
new file mode 100644
index 00000000..1ce789c3
--- /dev/null
+++ b/Katers Sylva Interchange Lights/Definition.json	
@@ -0,0 +1,37 @@
+{
+  "manifestVersion": 5,
+  "id": "Katers.SylvaInterchangeLights",
+  "name": "Katers Sylva Interchange",
+  "version": "1.2",
+  "requires": [
+    {
+      "id": "railroader",
+      "notBefore": "2024.6.10"
+    },
+    {
+      "id": "railloader",
+      "notBefore": "1.10.0.2"
+    },
+    {
+      "id": "Zamu.StrangeCustoms",
+      "notBefore": "1.10.25017.313"
+    },
+    {
+      "id": "AlinaNova21.AlinasMapMod",
+      "notBefore": "1.6.25155.155"
+    },
+    {
+      "id": "C_L_B.ASSETS01",
+      "notBefore": "3.0.2"
+    },
+    {
+      "id": "Katers.SylvaInterchange",
+      "notBefore": "3.1.0"
+    }
+	],
+  "mixintos": {
+    "game-graph": [
+      "file(Katers Sylva Interchange Lights.json)"
+    ]  	
+  }
+}
diff --git a/Katers Sylva Interchange Lights/Katers Sylva Interchange Lights.json b/Katers Sylva Interchange Lights/Katers Sylva Interchange Lights.json
new file mode 100644
index 00000000..f30f1300
--- /dev/null
+++ b/Katers Sylva Interchange Lights/Katers Sylva Interchange Lights.json	
@@ -0,0 +1,75 @@
+{
+  "splineys": {
+    "SylInt_Lamppost01": {
+      "handler": "CLB.ModularScenery",
+      "modelIdentifier": "CLB_Lamppost02_24",
+      "position": { "x": 25656.38, "y": 629.5, "z": 389.51 },
+      "rotation": { "x": 0.0, "y": 16.25, "z": 0.0 },
+      "scale": {
+        "x": 1.0,
+        "y": 1.0,
+        "z": 1.0
+      },
+      "useAnimation": "OnOffDaylight",
+      "groupKey": "KatSylTT"
+		},
+    "SylInt_Lamppost02": {
+      "handler": "CLB.ModularScenery",
+		  "modelIdentifier": "CLB_Lamppost02_24",
+      "position": { "x": 25628.88, "y": 629.5, "z": 430.09 },
+      "rotation": { "x": 0.0, "y": 16.25, "z": 0.0 },
+      "scale": {
+        "x": 1.0,
+        "y": 1.0,
+        "z": 1.0
+      },
+      "useAnimation": "OnOffDaylight",
+      "groupKey": "KatSylTT"
+    },
+    "SylInt_Lamppost03": {
+      "handler": "CLB.ModularScenery",
+      "modelIdentifier": "CLB_Lamppost02_24",
+      "position": { "x": 26041.25, "y": 629.5, "z": 701.2 },
+      "rotation": { "x": 0.0, "y": 16.25, "z": 0.0 },
+      "scale": {
+        "x": 1.0,
+        "y": 1.0,
+        "z": 1.0
+      },
+      "useAnimation": "OnOffDaylight",
+      "groupKey": "KatSylTT"
+    }
+	},
+  "scenery": {
+    "SylInt_LamppostBlock01": {
+      "modelIdentifier": "CLB_Block01",
+      "position": { "x": 25656.38, "y": 628, "z": 389.51 },
+      "rotation": { "x": 0.0, "y": 16.25, "z": 0.0 },
+      "scale": {
+        "x": 1.0,
+        "y": 1.0,
+        "z": 1.0
+      }
+		},
+    "SylInt_LamppostBlock02": {
+		  "modelIdentifier": "CLB_Block01",
+      "position": { "x": 25628.88, "y": 628, "z": 430.09 },
+      "rotation": { "x": 0.0, "y": 16.25, "z": 0.0 },
+      "scale": {
+        "x": 1.0,
+        "y": 1.0,
+        "z": 1.0
+      }
+    },
+    "SylInt_LamppostBlock03": {
+      "modelIdentifier": "CLB_Block01",
+      "position": { "x": 26041.25, "y": 628, "z": 701.2 },
+      "rotation": { "x": 0.0, "y": 16.25, "z": 0.0 },
+      "scale": {
+        "x": 1.0,
+        "y": 1.0,
+        "z": 1.0
+      }
+    }
+	}
+}
\ No newline at end of file