diff --git a/editoast/src/core/stdcm.rs b/editoast/src/core/stdcm.rs
index 869aba5de56..22085148973 100644
--- a/editoast/src/core/stdcm.rs
+++ b/editoast/src/core/stdcm.rs
@@ -11,15 +11,12 @@ use serde::Deserialize;
 use serde::Serialize;
 use utoipa::ToSchema;
 
-use super::conflict_detection::Conflict;
 use super::conflict_detection::TrainRequirements;
-use super::pathfinding::PathfindingResult;
 use super::pathfinding::PathfindingResultSuccess;
 use super::pathfinding::TrackRange;
 use super::simulation::PhysicsRollingStock;
 use super::simulation::SimulationResponse;
 use crate::core::{AsCoreRequest, Json};
-use crate::views::path::pathfinding::PathfindingResult;
 
 #[derive(Debug, Serialize)]
 pub struct STDCMRequest {
@@ -116,28 +113,24 @@ pub struct UndirectedTrackRange {
     pub end: u64,
 }
 
-#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, ToSchema)]
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
 #[serde(tag = "status", rename_all = "snake_case")]
 // We accepted the difference of memory size taken by variants
 // Since there is only on success and others are error cases
 #[allow(clippy::large_enum_variant)]
-pub enum STDCMResponse {
+pub enum STDCMCoreResponse {
     Success {
         simulation: SimulationResponse,
         path: PathfindingResultSuccess,
         departure_time: DateTime<Utc>,
     },
     PathNotFound,
-    Conflicts {
-        pathfinding_result: PathfindingResult,
-        conflicts: Vec<Conflict>,
-    },
     PreprocessingSimulationError {
         error: SimulationResponse,
     },
 }
 
-impl AsCoreRequest<Json<STDCMResponse>> for STDCMRequest {
+impl AsCoreRequest<Json<STDCMCoreResponse>> for STDCMRequest {
     const METHOD: reqwest::Method = reqwest::Method::POST;
     const URL_PATH: &'static str = "/v2/stdcm";
 
diff --git a/editoast/src/views/timetable/path_not_found_handler.rs b/editoast/src/views/timetable/path_not_found_handler.rs
index f3e2654b0b0..6c3a9535ff8 100644
--- a/editoast/src/views/timetable/path_not_found_handler.rs
+++ b/editoast/src/views/timetable/path_not_found_handler.rs
@@ -5,14 +5,14 @@ use chrono::Utc;
 
 use crate::core::conflict_detection::ConflictDetectionRequest;
 use crate::core::conflict_detection::WorkSchedulesRequest;
-use crate::core::pathfinding::PathfindingResult;
 use crate::core::simulation::SimulationResponse;
-use crate::core::stdcm::STDCMResponse;
 use crate::core::AsCoreRequest;
 use crate::core::CoreClient;
 use crate::error::Result;
 use crate::models::train_schedule::TrainSchedule;
 use crate::models::work_schedules::WorkSchedule;
+use crate::views::path::pathfinding::PathfindingResult;
+use crate::views::timetable::stdcm::STDCMResponse;
 
 use super::filter_core_work_schedule;
 use super::stdcm::build_train_requirements;
diff --git a/editoast/src/views/timetable/stdcm.rs b/editoast/src/views/timetable/stdcm.rs
index f67bd4a0b30..97a8cce2c10 100644
--- a/editoast/src/views/timetable/stdcm.rs
+++ b/editoast/src/views/timetable/stdcm.rs
@@ -28,14 +28,16 @@ use super::path_not_found_handler::PathNotFoundHandler;
 use super::stdcm_request_payload::convert_steps;
 use super::stdcm_request_payload::STDCMRequestPayload;
 use super::SelectionSettings;
+use crate::core::conflict_detection::Conflict;
 use crate::core::conflict_detection::TrainRequirements;
 use crate::core::pathfinding::InvalidPathItem;
 use crate::core::pathfinding::PathfindingInputError;
+use crate::core::pathfinding::PathfindingResultSuccess;
 use crate::core::simulation::PhysicsRollingStock;
 use crate::core::simulation::{RoutingRequirement, SimulationResponse, SpacingRequirement};
+use crate::core::stdcm::STDCMCoreResponse;
 use crate::core::stdcm::STDCMPathItem;
 use crate::core::stdcm::STDCMRequest;
-use crate::core::stdcm::STDCMResponse;
 use crate::core::stdcm::STDCMStepTimingData;
 use crate::core::AsCoreRequest;
 use crate::core::CoreClient;
@@ -62,6 +64,26 @@ crate::routes! {
     "/stdcm" => stdcm,
 }
 
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, ToSchema)]
+#[serde(tag = "status", rename_all = "snake_case")]
+// We accepted the difference of memory size taken by variants
+// Since there is only on success and others are error cases
+#[allow(clippy::large_enum_variant)]
+pub enum STDCMResponse {
+    Success {
+        simulation: SimulationResponse,
+        path: PathfindingResultSuccess,
+        departure_time: DateTime<Utc>,
+    },
+    Conflicts {
+        pathfinding_result: PathfindingResult,
+        conflicts: Vec<Conflict>,
+    },
+    PreprocessingSimulationError {
+        error: SimulationResponse,
+    },
+}
+
 #[derive(Debug, Error, EditoastError, Serialize)]
 #[editoast_error(base_id = "stdcm_v2")]
 enum STDCMError {
@@ -247,28 +269,39 @@ async fn stdcm(
 
     let stdcm_response = stdcm_request.fetch(core_client.as_ref()).await?;
 
-    // 8. Handle PathNotFound response of STDCM
-    if let STDCMResponse::PathNotFound = stdcm_response {
-        let path_not_found = PathNotFoundHandler {
-            core_client,
-            infra_id,
-            infra_version: infra.version,
-            train_schedules,
-            simulations,
-            work_schedules,
-            virtual_train_schedule,
-            virtual_train_sim_result,
-            virtual_train_pathfinding_result,
-            earliest_departure_time,
-            maximum_run_time,
-            latest_simulation_end,
-        };
-        let stdcm_response = path_not_found.handle().await?;
-
-        return Ok(Json(stdcm_response));
+    // 8. Handle STDCM Core Response
+    match stdcm_response {
+        STDCMCoreResponse::Success {
+            simulation,
+            path,
+            departure_time,
+        } => Ok(Json(STDCMResponse::Success {
+            simulation,
+            path,
+            departure_time,
+        })),
+        STDCMCoreResponse::PreprocessingSimulationError { error } => {
+            Ok(Json(STDCMResponse::PreprocessingSimulationError { error }))
+        }
+        STDCMCoreResponse::PathNotFound => {
+            let path_not_found = PathNotFoundHandler {
+                core_client,
+                infra_id,
+                infra_version: infra.version,
+                train_schedules,
+                simulations,
+                work_schedules,
+                virtual_train_schedule,
+                virtual_train_sim_result,
+                virtual_train_pathfinding_result,
+                earliest_departure_time,
+                maximum_run_time,
+                latest_simulation_end,
+            };
+            let stdcm_response = path_not_found.handle().await?;
+            Ok(Json(stdcm_response))
+        }
     }
-
-    Ok(Json(stdcm_response))
 }
 
 /// Build the list of scheduled train requirements, only including requirements
@@ -520,7 +553,6 @@ mod tests {
     use crate::core::simulation::SimulationParameters;
     use crate::core::simulation::SimulationResponse;
     use crate::core::simulation::SpeedLimitProperties;
-    use crate::core::stdcm::STDCMResponse;
     use crate::models::fixtures::create_fast_rolling_stock;
     use crate::models::fixtures::create_small_infra;
     use crate::models::fixtures::create_timetable;