diff --git a/front/src/modules/timesStops/TimeColumnComponent.tsx b/front/src/modules/timesStops/TimeInput.tsx
similarity index 68%
rename from front/src/modules/timesStops/TimeColumnComponent.tsx
rename to front/src/modules/timesStops/TimeInput.tsx
index fbedf292044..0e6cc4b5f9a 100644
--- a/front/src/modules/timesStops/TimeColumnComponent.tsx
+++ b/front/src/modules/timesStops/TimeInput.tsx
@@ -1,8 +1,8 @@
-import React, { useEffect, useRef, useState } from 'react';
+import React, { useRef, useState, useEffect } from 'react';
 
-import type { CellComponent, CellProps, Column } from 'react-datasheet-grid/dist/types';
+import type { CellProps } from 'react-datasheet-grid/dist/types';
 
-const TimeComponent = ({
+const TimeInput = ({
   focus,
   rowData,
   active,
@@ -51,15 +51,6 @@ const TimeComponent = ({
   );
 };
 
-TimeComponent.displayName = 'TimeComponent';
+TimeInput.displayName = 'TimeInput';
 
-const timeColumn: Partial<Column<string | null | undefined, string, string>> = {
-  component: TimeComponent as CellComponent<string | null | undefined, string>,
-  deleteValue: () => null,
-  copyValue: ({ rowData }) => rowData ?? null,
-  pasteValue: ({ value }) => value,
-  minWidth: 170,
-  isCellEmpty: ({ rowData }) => !rowData,
-};
-
-export default timeColumn;
+export default TimeInput;
diff --git a/front/src/modules/timesStops/TimeStopsColumns.tsx b/front/src/modules/timesStops/TimeStopsColumns.tsx
new file mode 100644
index 00000000000..4cf4201e332
--- /dev/null
+++ b/front/src/modules/timesStops/TimeStopsColumns.tsx
@@ -0,0 +1,88 @@
+import cx from 'classnames';
+import type { TFunction } from 'i18next';
+import { keyColumn, type Column, checkboxColumn, createTextColumn } from 'react-datasheet-grid';
+import type { CellComponent } from 'react-datasheet-grid/dist/types';
+
+import type { ManageTrainSchedulePathProperties } from 'applications/operationalStudies/types';
+import { marginRegExValidation } from 'utils/physics';
+
+import TimeInput from './TimeInput';
+import type { PathWaypointColumn } from './types';
+
+const timeColumn: Partial<Column<string | null | undefined, string, string>> = {
+  component: TimeInput as CellComponent<string | null | undefined, string>,
+  deleteValue: () => null,
+  copyValue: ({ rowData }) => rowData ?? null,
+  pasteValue: ({ value }) => value,
+  minWidth: 170,
+  isCellEmpty: ({ rowData }) => !rowData,
+};
+
+export const inputColumns = (
+  t: TFunction<'timesStops', undefined>,
+  pathProperties: ManageTrainSchedulePathProperties
+) =>
+  [
+    {
+      ...keyColumn('name', createTextColumn()),
+      title: t('name'),
+      disabled: true,
+    },
+    {
+      ...keyColumn('ch', createTextColumn()),
+      title: 'Ch',
+      disabled: true,
+      grow: 0.1,
+    },
+    {
+      ...keyColumn('arrival', timeColumn),
+      title: t('arrivalTime'),
+
+      // We should not be able to edit the arrival time of the origin
+      disabled: ({ rowIndex }) => rowIndex === 0,
+      grow: 0.6,
+    },
+    {
+      ...keyColumn(
+        'stopFor',
+        createTextColumn({
+          continuousUpdates: false,
+          alignRight: true,
+        })
+      ),
+      title: `${t('stopTime')}`,
+      grow: 0.6,
+    },
+    {
+      ...keyColumn('onStopSignal', checkboxColumn as Partial<Column<boolean | undefined>>),
+      title: t('receptionOnClosedSignal'),
+
+      // We should not be able to edit the reception on close signal if stopFor is not filled
+      // except for the destination
+      grow: 0.6,
+      disabled: ({ rowData, rowIndex }) =>
+        rowIndex !== pathProperties.allWaypoints?.length - 1 && !rowData.stopFor,
+    },
+    {
+      ...keyColumn(
+        'theoreticalMargin',
+        createTextColumn({
+          continuousUpdates: false,
+          alignRight: true,
+          placeholder: t('theoreticalMarginPlaceholder'),
+          formatBlurredInput: (value) => {
+            if (!value || value === 'none') return '';
+            if (!marginRegExValidation.test(value)) {
+              return `${value}${t('theoreticalMarginPlaceholder')}`;
+            }
+            return value;
+          },
+        })
+      ),
+      cellClassName: ({ rowData }) => cx({ invalidCell: !rowData.isMarginValid }),
+      title: t('theoreticalMargin'),
+      disabled: ({ rowIndex }) => rowIndex === pathProperties.allWaypoints.length - 1,
+    },
+  ] as Column<PathWaypointColumn>[];
+
+export default timeColumn;
diff --git a/front/src/modules/timesStops/TimesStops.tsx b/front/src/modules/timesStops/TimesStops.tsx
index c5ad4657bfa..e2a89b13ee0 100644
--- a/front/src/modules/timesStops/TimesStops.tsx
+++ b/front/src/modules/timesStops/TimesStops.tsx
@@ -1,12 +1,6 @@
 import React, { useMemo, useState, useEffect } from 'react';
 
-import {
-  keyColumn,
-  type Column,
-  checkboxColumn,
-  createTextColumn,
-  DynamicDataSheetGrid,
-} from 'react-datasheet-grid';
+import { type Column, DynamicDataSheetGrid } from 'react-datasheet-grid';
 import { useTranslation } from 'react-i18next';
 
 import type { ManageTrainSchedulePathProperties } from 'applications/operationalStudies/types';
@@ -16,9 +10,9 @@ import type { SuggestedOP } from 'modules/trainschedule/components/ManageTrainSc
 import type { PathStep } from 'reducers/osrdconf/types';
 import { useAppDispatch } from 'store';
 import { removeElementAtIndex } from 'utils/array';
+import { marginRegExValidation } from 'utils/physics';
 
-import { marginRegExValidation } from './consts';
-import timeColumn from './TimeColumnComponent';
+import { inputColumns } from './TimeStopsColumns';
 import type { PathWaypointColumn } from './types';
 import { formatSuggestedViasToRowVias } from './utils';
 
@@ -30,19 +24,21 @@ type TimesStopsProps = {
   startTime?: string;
 };
 
+type DeleteButtonProps = {
+  removeVia: () => void;
+  rowIndex: number;
+  rowData: PathWaypointColumn;
+  pathProperties: ManageTrainSchedulePathProperties;
+  pathSteps: PathStep[];
+};
+
 const createDeleteViaButton = ({
   removeVia,
   rowIndex,
   rowData,
   pathProperties,
   pathSteps,
-}: {
-  removeVia: () => void;
-  rowIndex: number;
-  rowData: PathWaypointColumn;
-  pathProperties: ManageTrainSchedulePathProperties;
-  pathSteps: PathStep[];
-}) => {
+}: DeleteButtonProps) => {
   const isRowVia =
     rowIndex !== 0 &&
     rowIndex !== pathProperties.allWaypoints?.length - 1 &&
@@ -84,72 +80,8 @@ const TimesStops = ({ pathProperties, pathSteps = [], startTime }: TimesStopsPro
     setTimesStopsSteps(suggestedOPs);
   }, [t, pathProperties.allWaypoints, startTime]);
 
-  const columns: Column<PathWaypointColumn>[] = useMemo(
-    () => [
-      {
-        ...keyColumn<PathWaypointColumn, 'name'>('name', createTextColumn()),
-        title: t('name'),
-        disabled: true,
-      },
-      {
-        ...keyColumn<PathWaypointColumn, 'ch'>('ch', createTextColumn()),
-        title: 'Ch',
-        disabled: true,
-        grow: 0.1,
-      },
-      {
-        ...keyColumn<PathWaypointColumn, 'arrival'>('arrival', timeColumn),
-        title: t('arrivalTime'),
-
-        // We should not be able to edit the arrival time of the origin
-        disabled: ({ rowIndex }) => rowIndex === 0,
-        grow: 0.6,
-      },
-      {
-        ...keyColumn<PathWaypointColumn, 'stopFor'>(
-          'stopFor',
-          createTextColumn({
-            continuousUpdates: false,
-            alignRight: true,
-          })
-        ),
-        title: `${t('stopTime')}`,
-        grow: 0.6,
-      },
-      {
-        ...keyColumn<PathWaypointColumn, 'onStopSignal'>(
-          'onStopSignal',
-          checkboxColumn as Partial<Column<boolean | undefined>>
-        ),
-        title: t('receptionOnClosedSignal'),
-
-        // We should not be able to edit the reception on close signal if stopFor is not filled
-        // except for the destination
-        grow: 0.6,
-        disabled: ({ rowData, rowIndex }) =>
-          rowIndex !== pathProperties.allWaypoints?.length - 1 && !rowData.stopFor,
-      },
-      {
-        ...keyColumn<PathWaypointColumn, 'theoreticalMargin'>(
-          'theoreticalMargin',
-          createTextColumn({
-            continuousUpdates: false,
-            alignRight: true,
-            placeholder: t('theoreticalMarginPlaceholder'),
-            formatBlurredInput: (value) => {
-              if (!value || value === 'none') return '';
-              if (!marginRegExValidation.test(value)) {
-                return `${value}${t('theoreticalMarginPlaceholder')}`;
-              }
-              return value;
-            },
-          })
-        ),
-        cellClassName: ({ rowData }) => (rowData.isMarginValid ? '' : 'invalidCell'),
-        title: t('theoreticalMargin'),
-        disabled: ({ rowIndex }) => rowIndex === pathProperties.allWaypoints.length - 1,
-      },
-    ],
+  const columns = useMemo<Column<PathWaypointColumn>[]>(
+    () => inputColumns(t, pathProperties),
     [t, pathProperties.allWaypoints.length]
   );
 
diff --git a/front/src/modules/timesStops/consts.ts b/front/src/modules/timesStops/consts.ts
deleted file mode 100644
index fc5b10c8bb8..00000000000
--- a/front/src/modules/timesStops/consts.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-// eslint-disable-next-line import/prefer-default-export
-export const marginRegExValidation = /^\d+(\.\d+)?%$|^\d+(\.\d+)?min\/100km$/;
diff --git a/front/src/modules/timesStops/utils.ts b/front/src/modules/timesStops/utils.ts
index 10ffea90d86..c7f6870a580 100644
--- a/front/src/modules/timesStops/utils.ts
+++ b/front/src/modules/timesStops/utils.ts
@@ -2,8 +2,8 @@ import type { TFunction } from 'i18next';
 
 import type { SuggestedOP } from 'modules/trainschedule/components/ManageTrainSchedule/types';
 import type { PathStep } from 'reducers/osrdconf/types';
+import { marginRegExValidation } from 'utils/physics';
 
-import { marginRegExValidation } from './consts';
 import type { PathWaypointColumn } from './types';
 
 // eslint-disable-next-line import/prefer-default-export
diff --git a/front/src/utils/physics.ts b/front/src/utils/physics.ts
index 5ed47fa5147..b195a7e6912 100644
--- a/front/src/utils/physics.ts
+++ b/front/src/utils/physics.ts
@@ -24,3 +24,5 @@ export function msToKmh(v: number) {
 export function mToKmOneDecimal(m: number) {
   return Math.round(m / 100) / 10;
 }
+
+export const marginRegExValidation = /^\d+(\.\d+)?%$|^\d+(\.\d+)?min\/100km$/;