diff --git a/editoast/editoast_schemas/src/infra/operational_point.rs b/editoast/editoast_schemas/src/infra/operational_point.rs
index d9f9a84033e..449086b329c 100644
--- a/editoast/editoast_schemas/src/infra/operational_point.rs
+++ b/editoast/editoast_schemas/src/infra/operational_point.rs
@@ -26,7 +26,7 @@ pub struct OperationalPoint {
     #[schema(inline)]
     pub extensions: OperationalPointExtensions,
     #[serde(default)]
-    pub weight: Option<u64>,
+    pub weight: Option<u8>,
 }
 
 #[derive(Debug, Derivative, Clone, Deserialize, Serialize, ToSchema)]
diff --git a/editoast/migrations/2024-11-19-143456_add_weight_to_operational_point/down.sql b/editoast/migrations/2024-11-19-143456_add_weight_to_operational_point/down.sql
new file mode 100644
index 00000000000..e7cc26340d8
--- /dev/null
+++ b/editoast/migrations/2024-11-19-143456_add_weight_to_operational_point/down.sql
@@ -0,0 +1,9 @@
+UPDATE infra_object_operational_point
+SET data = data - 'weight';
+
+UPDATE infra
+SET railjson_version = '3.4.12';
+
+ALTER TABLE infra
+ALTER COLUMN railjson_version
+SET DEFAULT '3.4.12';
diff --git a/editoast/migrations/2024-11-19-143456_add_weight_to_operational_point/up.sql b/editoast/migrations/2024-11-19-143456_add_weight_to_operational_point/up.sql
new file mode 100644
index 00000000000..b0c5fe53915
--- /dev/null
+++ b/editoast/migrations/2024-11-19-143456_add_weight_to_operational_point/up.sql
@@ -0,0 +1,14 @@
+UPDATE infra_object_operational_point
+SET data = jsonb_set(
+    data,
+    '{weight}',
+    'null'::jsonb,
+    true
+);
+
+UPDATE infra
+SET railjson_version = '3.4.13';
+
+ALTER TABLE infra
+ALTER COLUMN railjson_version
+SET DEFAULT '3.4.13';
diff --git a/editoast/openapi.yaml b/editoast/openapi.yaml
index 64979c67117..10590c6a898 100644
--- a/editoast/openapi.yaml
+++ b/editoast/openapi.yaml
@@ -7008,6 +7008,11 @@ components:
           type: array
           items:
             $ref: '#/components/schemas/OperationalPointPart'
+        weight:
+          type: integer
+          format: int32
+          nullable: true
+          minimum: 0
       additionalProperties: false
     OperationalPointExtensions:
       type: object
diff --git a/front/src/common/api/generatedEditoastApi.ts b/front/src/common/api/generatedEditoastApi.ts
index 46c08776cb4..b7a77a93035 100644
--- a/front/src/common/api/generatedEditoastApi.ts
+++ b/front/src/common/api/generatedEditoastApi.ts
@@ -1887,6 +1887,7 @@ export type OperationalPoint = {
   };
   id: string;
   parts: OperationalPointPart[];
+  weight?: number | null;
 };
 export type Waypoint =
   | {