diff --git a/front/src/applications/stdcmV2/components/StdcmConfig.tsx b/front/src/applications/stdcmV2/components/StdcmConfig.tsx
index fdd5f5441c..356f96a76a 100644
--- a/front/src/applications/stdcmV2/components/StdcmConfig.tsx
+++ b/front/src/applications/stdcmV2/components/StdcmConfig.tsx
@@ -20,7 +20,7 @@ import StdcmVias from './StdcmVias';
 import StdcmWarningBox from './StdcmWarningBox';
 import useStaticPathfinding from '../hooks/useStaticPathfinding';
 import { ArrivalTimeTypes, StdcmConfigErrorTypes } from '../types';
-import type { StdcmConfigErrors, StdcmSimulation, StdcmSimulationInputs } from '../types';
+import type { StdcmConfigErrors } from '../types';
 import checkStdcmConfigErrors from '../utils/checkStdcmConfigErrors';
 
 /**
@@ -32,8 +32,6 @@ type StdcmConfigProps = {
   isPending: boolean;
   launchStdcmRequest: () => Promise<void>;
   retainedSimulationIndex: number;
-  selectedSimulation?: StdcmSimulation;
-  setCurrentSimulationInputs: React.Dispatch<React.SetStateAction<StdcmSimulationInputs>>;
   showBtnToLaunchSimulation: boolean;
 };
 
@@ -42,8 +40,6 @@ const StdcmConfig = ({
   isPending,
   launchStdcmRequest,
   retainedSimulationIndex,
-  selectedSimulation,
-  setCurrentSimulationInputs,
   showBtnToLaunchSimulation,
 }: StdcmConfigProps) => {
   const { t } = useTranslation('stdcm');
@@ -73,12 +69,6 @@ const StdcmConfig = ({
 
   const disabled = isPending || retainedSimulationIndex > -1;
 
-  const inputsProps = {
-    disabled,
-    selectedSimulation,
-    setCurrentSimulationInputs,
-  };
-
   const startSimulation = () => {
     const isPathfindingFailed = !!pathfinding && pathfinding.status !== 'success';
     const formErrorsStatus = checkStdcmConfigErrors(
@@ -144,15 +134,15 @@ const StdcmConfig = ({
       <div className="d-flex">
         <div className="stdcm-v2-simulation-inputs">
           <div className="stdcm-v2-consist-container">
-            <StdcmConsist {...inputsProps} />
+            <StdcmConsist disabled={disabled} />
           </div>
           <div className="stdcm-v2__separator" />
           <div className="stdcm-v2-simulation-itinerary">
             {/* //TODO: use them when we implement this feature #403 */}
             {/* <StdcmDefaultCard text="Indiquer le sillon antérieur" Icon={<ArrowUp size="lg" />} /> */}
-            <StdcmOrigin {...inputsProps} origin={origin} />
-            <StdcmVias {...inputsProps} />
-            <StdcmDestination {...inputsProps} destination={destination} />
+            <StdcmOrigin disabled={disabled} origin={origin} />
+            <StdcmVias disabled={disabled} />
+            <StdcmDestination disabled={disabled} destination={destination} />
             {/* <StdcmDefaultCard text="Indiquer le sillon postérieur" Icon={<ArrowDown size="lg" />} /> */}
             <div
               className={cx('stdcm-v2-launch-request', {
diff --git a/front/src/applications/stdcmV2/components/StdcmConsist.tsx b/front/src/applications/stdcmV2/components/StdcmConsist.tsx
index 7292a3b154..c4c3416556 100644
--- a/front/src/applications/stdcmV2/components/StdcmConsist.tsx
+++ b/front/src/applications/stdcmV2/components/StdcmConsist.tsx
@@ -31,7 +31,7 @@ const ConsistCardTitle = ({
   );
 };
 
-const StdcmConsist = ({ setCurrentSimulationInputs, disabled = false }: StdcmConfigCardProps) => {
+const StdcmConsist = ({ disabled = false }: StdcmConfigCardProps) => {
   const { t } = useTranslation('stdcm');
   const { speedLimitByTag, speedLimitsByTags, dispatchUpdateSpeedLimitByTag } =
     useStoreDataForSpeedLimitByTagSelector({ isStdcm: true });
@@ -79,12 +79,14 @@ const StdcmConsist = ({ setCurrentSimulationInputs, disabled = false }: StdcmCon
   const onInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     searchRollingStock(e.target.value);
     if (e.target.value.trim().length === 0) {
-      updateRollingStockID(undefined);
+      dispatch(updateRollingStockID(undefined));
+      dispatchUpdateSpeedLimitByTag(null);
     }
   };
 
   const onSelectSuggestion = (option?: LightRollingStockWithLiveries) => {
     dispatch(updateRollingStockID(option?.id));
+    dispatchUpdateSpeedLimitByTag(null);
   };
 
   useEffect(() => {
@@ -93,26 +95,8 @@ const StdcmConsist = ({ setCurrentSimulationInputs, disabled = false }: StdcmCon
     } else {
       searchRollingStock('');
     }
-    setCurrentSimulationInputs((prevState) => ({
-      ...prevState,
-      consist: {
-        tractionEngine: rollingStock,
-      },
-    }));
   }, [rollingStock]);
 
-  useEffect(() => {
-    if (speedLimitByTag) {
-      setCurrentSimulationInputs((prevState) => ({
-        ...prevState,
-        consist: {
-          ...prevState?.consist,
-          speedLimitByTag,
-        },
-      }));
-    }
-  }, [speedLimitByTag]);
-
   return (
     <StdcmCard
       name={t('consist.consist')}
diff --git a/front/src/applications/stdcmV2/components/StdcmDestination.tsx b/front/src/applications/stdcmV2/components/StdcmDestination.tsx
index 8e937d46ac..87e2296289 100644
--- a/front/src/applications/stdcmV2/components/StdcmDestination.tsx
+++ b/front/src/applications/stdcmV2/components/StdcmDestination.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useMemo, useState } from 'react';
+import { useMemo, useState } from 'react';
 
 import { useTranslation } from 'react-i18next';
 
@@ -7,7 +7,6 @@ import { useOsrdConfActions } from 'common/osrdContext';
 import type { StdcmConfSliceActions } from 'reducers/osrdconf/stdcmConf';
 import type { PathStep } from 'reducers/osrdconf/types';
 import { useAppDispatch } from 'store';
-import { replaceElementAtIndex } from 'utils/array';
 import { extractDateAndTimefromISO, generateISODateFromDateTime } from 'utils/date';
 
 import StdcmCard from './StdcmCard';
@@ -17,7 +16,6 @@ import DEFAULT_TOLERANCE from '../consts';
 import { ArrivalTimeTypes, type ScheduleConstraint, type StdcmConfigCardProps } from '../types';
 
 const StdcmDestination = ({
-  setCurrentSimulationInputs,
   disabled = false,
   destination,
 }: StdcmConfigCardProps & {
@@ -26,9 +24,7 @@ const StdcmDestination = ({
   const { t } = useTranslation('stdcm');
   const dispatch = useAppDispatch();
 
-  const [arrivalScheduleConstraint, setArrivalScheduleConstraint] = useState<
-    ScheduleConstraint | undefined
-  >();
+  const [arrivalScheduleConstraint, setArrivalScheduleConstraint] = useState<ScheduleConstraint>();
 
   const {
     updateDestination,
@@ -50,19 +46,6 @@ const StdcmDestination = ({
     [destination]
   );
 
-  useEffect(() => {
-    setCurrentSimulationInputs((prevState) => ({
-      ...prevState,
-      pathSteps: replaceElementAtIndex(
-        prevState?.pathSteps,
-        prevState?.pathSteps.length - 1,
-        destination
-      ),
-      destination,
-      destinationTime: destinationArrival?.arrivalTime,
-    }));
-  }, [destination]);
-
   const updateDestinationPoint = (pathStep: PathStep | null) => {
     if (!pathStep || !arrivalScheduleConstraint) {
       dispatch(updateDestination(pathStep));
diff --git a/front/src/applications/stdcmV2/components/StdcmOrigin.tsx b/front/src/applications/stdcmV2/components/StdcmOrigin.tsx
index bea8609f58..54058ebab6 100644
--- a/front/src/applications/stdcmV2/components/StdcmOrigin.tsx
+++ b/front/src/applications/stdcmV2/components/StdcmOrigin.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useMemo, useState } from 'react';
+import { useMemo, useState } from 'react';
 
 import { useTranslation } from 'react-i18next';
 
@@ -7,7 +7,6 @@ import { useOsrdConfActions } from 'common/osrdContext';
 import type { StdcmConfSliceActions } from 'reducers/osrdconf/stdcmConf';
 import type { PathStep } from 'reducers/osrdconf/types';
 import { useAppDispatch } from 'store';
-import { replaceElementAtIndex } from 'utils/array';
 import { extractDateAndTimefromISO, generateISODateFromDateTime } from 'utils/date';
 
 import StdcmCard from './StdcmCard';
@@ -17,7 +16,6 @@ import DEFAULT_TOLERANCE from '../consts';
 import { ArrivalTimeTypes, type ScheduleConstraint, type StdcmConfigCardProps } from '../types';
 
 const StdcmOrigin = ({
-  setCurrentSimulationInputs,
   disabled = false,
   origin,
 }: StdcmConfigCardProps & {
@@ -26,9 +24,7 @@ const StdcmOrigin = ({
   const { t } = useTranslation('stdcm');
   const dispatch = useAppDispatch();
 
-  const [arrivalScheduleConstraint, setArrivalScheduleConstraint] = useState<
-    ScheduleConstraint | undefined
-  >();
+  const [arrivalScheduleConstraint, setArrivalScheduleConstraint] = useState<ScheduleConstraint>();
 
   const { updateOrigin, updateOriginArrival, updateOriginArrivalType, updateOriginTolerances } =
     useOsrdConfActions() as StdcmConfSliceActions;
@@ -44,15 +40,6 @@ const StdcmOrigin = ({
     [origin]
   );
 
-  useEffect(() => {
-    setCurrentSimulationInputs((prevState) => ({
-      ...prevState,
-      pathSteps: replaceElementAtIndex(prevState?.pathSteps, 0, origin),
-      departureDate: originArrival?.arrivalDate,
-      departureTime: originArrival?.arrivalTime,
-    }));
-  }, [origin]);
-
   const updateOriginPoint = (pathStep: PathStep | null) => {
     if (!pathStep || !arrivalScheduleConstraint) {
       dispatch(updateOrigin(pathStep));
diff --git a/front/src/applications/stdcmV2/components/StdcmVias.tsx b/front/src/applications/stdcmV2/components/StdcmVias.tsx
index 8e9ecfe8ea..93bf517da9 100644
--- a/front/src/applications/stdcmV2/components/StdcmVias.tsx
+++ b/front/src/applications/stdcmV2/components/StdcmVias.tsx
@@ -22,7 +22,7 @@ import StdcmStopType from './StdcmStopType';
 import { StdcmStopTypes } from '../types';
 import type { StdcmConfigCardProps } from '../types';
 
-const StdcmVias = ({ disabled = false, setCurrentSimulationInputs }: StdcmConfigCardProps) => {
+const StdcmVias = ({ disabled = false }: StdcmConfigCardProps) => {
   const { t } = useTranslation('stdcm');
   const dispatch = useAppDispatch();
   const { getPathSteps } = useOsrdConfSelectors();
@@ -103,13 +103,6 @@ const StdcmVias = ({ disabled = false, setCurrentSimulationInputs }: StdcmConfig
     });
   }, [stopTypes, pathSteps]);
 
-  useEffect(() => {
-    setCurrentSimulationInputs((prevState) => ({
-      ...prevState,
-      pathSteps,
-    }));
-  }, [pathSteps]);
-
   return (
     <div className="stdcm-v2-vias-list">
       {intermediatePoints.length > 0 &&
diff --git a/front/src/applications/stdcmV2/hooks/useStdcmForm.ts b/front/src/applications/stdcmV2/hooks/useStdcmForm.ts
new file mode 100644
index 0000000000..d2d026bafc
--- /dev/null
+++ b/front/src/applications/stdcmV2/hooks/useStdcmForm.ts
@@ -0,0 +1,36 @@
+import { useMemo } from 'react';
+
+import { useSelector } from 'react-redux';
+
+import { useOsrdConfSelectors } from 'common/osrdContext';
+import { useStoreDataForRollingStockSelector } from 'modules/rollingStock/components/RollingStockSelector/useStoreDataForRollingStockSelector';
+import type { StdcmConfSelectors } from 'reducers/osrdconf/stdcmConf/selectors';
+import { extractDateAndTimefromISO } from 'utils/date';
+
+import type { StdcmSimulationInputs } from '../types';
+
+const useStdcmForm = (): StdcmSimulationInputs => {
+  const { getPathSteps, getSpeedLimitByTag } = useOsrdConfSelectors() as StdcmConfSelectors;
+  const pathSteps = useSelector(getPathSteps);
+  const speedLimitByTag = useSelector(getSpeedLimitByTag);
+  const { rollingStock } = useStoreDataForRollingStockSelector();
+
+  const currentSimulationInputs = useMemo(() => {
+    const origin = pathSteps.at(0);
+    const originArrival = origin?.arrival ? extractDateAndTimefromISO(origin.arrival) : undefined;
+
+    return {
+      pathSteps,
+      departureDate: originArrival?.arrivalDate,
+      departureTime: originArrival?.arrivalTime,
+      consist: {
+        tractionEngine: rollingStock,
+        speedLimitByTag,
+      },
+    };
+  }, [pathSteps, rollingStock, speedLimitByTag]);
+
+  return currentSimulationInputs;
+};
+
+export default useStdcmForm;
diff --git a/front/src/applications/stdcmV2/types.ts b/front/src/applications/stdcmV2/types.ts
index e066714241..95324d0d96 100644
--- a/front/src/applications/stdcmV2/types.ts
+++ b/front/src/applications/stdcmV2/types.ts
@@ -29,7 +29,6 @@ export type StdcmSimulation = {
 
 /** This type is used for StdcmConsist, StdcmOrigin, StdcmDestination and StdcmVias components */
 export type StdcmConfigCardProps = {
-  setCurrentSimulationInputs: React.Dispatch<React.SetStateAction<StdcmSimulationInputs>>;
   disabled?: boolean;
 };
 
diff --git a/front/src/applications/stdcmV2/views/StdcmViewV2.tsx b/front/src/applications/stdcmV2/views/StdcmViewV2.tsx
index 3eaecda891..aa688fdd5c 100644
--- a/front/src/applications/stdcmV2/views/StdcmViewV2.tsx
+++ b/front/src/applications/stdcmV2/views/StdcmViewV2.tsx
@@ -16,13 +16,12 @@ import StdcmLoader from '../components/StdcmLoader';
 import StdcmResults from '../components/StdcmResults';
 import StdcmStatusBanner from '../components/StdcmStatusBanner';
 import useStdcmEnvironment, { NO_CONFIG_FOUND_MSG } from '../hooks/useStdcmEnv';
-import type { StdcmSimulation, StdcmSimulationInputs } from '../types';
+import useStdcmForm from '../hooks/useStdcmForm';
+import type { StdcmSimulation } from '../types';
 
 const StdcmViewV2 = () => {
   // TODO : refacto. state useStdcm. Maybe we can merge some state together in order to reduce the number of refresh
-  const [currentSimulationInputs, setCurrentSimulationInputs] = useState<StdcmSimulationInputs>({
-    pathSteps: [null, null], // origin and destination are not set yet. We use the same logic as in the store.
-  });
+  const currentSimulationInputs = useStdcmForm();
   const [simulationsList, setSimulationsList] = useState<StdcmSimulation[]>([]);
   const [selectedSimulationIndex, setSelectedSimulationIndex] = useState(-1);
   const [showStatusBanner, setShowStatusBanner] = useState(false);
@@ -181,13 +180,11 @@ const StdcmViewV2 = () => {
       ) : (
         <div>
           <StdcmConfig
-            selectedSimulation={selectedSimulation}
             isPending={isPending}
             isDebugMode={isDebugMode}
             showBtnToLaunchSimulation={showBtnToLaunchSimulation}
             retainedSimulationIndex={retainedSimulationIndex}
             launchStdcmRequest={launchStdcmRequest}
-            setCurrentSimulationInputs={setCurrentSimulationInputs}
           />
 
           {isPending && <StdcmLoader cancelStdcmRequest={cancelStdcmRequest} ref={loaderRef} />}