diff --git a/B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts b/B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts
index 38a350737..bd43901b7 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts
@@ -150,7 +150,7 @@ export async function carryAfterRouteSave(
   invalidateSectionDetail(projectId, toRouteId);
   const detail = await loadSectionDetail(projectId, toRouteId);
   useStationKeys(projectId, toRouteId, detail);
-  const outside = carryStationDrafts(projectId, fromRouteId, toRouteId);
+  const outside = carryStationDrafts(projectId, fromRouteId, toRouteId, { quiet: true });
   await saveCachedCrossPatches(projectId, toRouteId);
   return outside;
 }
diff --git a/B06_Section/B06_Section_Station_Keys.ts b/B06_Section/B06_Section_Station_Keys.ts
index 6710c8db1..f6c1cb6ae 100644
--- a/B06_Section/B06_Section_Station_Keys.ts
+++ b/B06_Section/B06_Section_Station_Keys.ts
@@ -273,11 +273,13 @@ export function writeKeyed<V>(
  * 노선이 바뀜(새 측점 목록을 `useStationKeys` 로 세운 뒤) — 옛 노선 고침을 측점 열쇠로 새 노선에 넘김.
  * 넘김 = 카드 선택 넷(지반 유형 · 측구 종류 · 측구 선택 · 2단 경사) · 암 경계 · 암 경사 · 단면 유형 · 측구
  * 방향은 새 지형이 정함 · 노견 확장 · 소단 깊이는 안 넘김. 돌려주는 값 = 노선 밖으로 나간 고침 수(측점 단위).
+ * `quiet` = 알림 없이 수만 돌려줌(부르는 쪽이 결과 한 줄에 합칠 때).
  */
 export function carryStationDrafts(
   projectId: string,
   fromRouteId: number,
   toRouteId: number,
+  { quiet = false }: { quiet?: boolean } = {},
 ): number {
   const outside = new Set<string>();
   for (const name of KEYED_STATES) {
@@ -301,7 +303,7 @@ export function carryStationDrafts(
     }
     writeState(name, next, projectId, toRouteId);
   }
-  if (outside.size)
+  if (outside.size && !quiet)
     showToast(`노선 밖 고침 ${outside.size} 건 — 사라진 측점이라 버렸습니다.`, "info");
   return outside.size;
 }
diff --git a/resources/tester/helper_346_3_route_save.cjs b/resources/tester/helper_346_3_route_save.cjs
index 9cd166030..149d689b1 100644
--- a/resources/tester/helper_346_3_route_save.cjs
+++ b/resources/tester/helper_346_3_route_save.cjs
@@ -43,7 +43,10 @@ const STUBS = {
   },
   "../B06_Section/B06_Section_Station_Keys": {
     useStationKeys: (_p, routeId, detail) => calls.push(`keys:${routeId}:${detail.tag}`),
-    carryStationDrafts: (_p, from, to) => (calls.push(`carry:${from}->${to}`), 2),
+    carryStationDrafts: (_p, from, to, opts) => (
+      calls.push(`carry:${from}->${to}${opts?.quiet ? ":quiet" : ""}`),
+      2
+    ),
   },
   "./B05_Profile_Api_Fetch": { clearRouteLatestCache: () => calls.push("latest:clear") },
   "./B05_Profile_Api_Replan": {
diff --git a/resources/tester/test_346_3_route_save_screen.py b/resources/tester/test_346_3_route_save_screen.py
index 154d25cb4..850545e9c 100644
--- a/resources/tester/test_346_3_route_save_screen.py
+++ b/resources/tester/test_346_3_route_save_screen.py
@@ -72,7 +72,13 @@ def test_저장_뒤_가게_초안_비움_결과_한_줄(out):
 
 
 def test_초안_넘김_차례(out):
-    assert out["carryCalls"] == ["invalidate:9", "load:9", "keys:9:9", "carry:7->9", "crossSave:9"]
+    assert out["carryCalls"] == [
+        "invalidate:9",
+        "load:9",
+        "keys:9:9",
+        "carry:7->9:quiet",
+        "crossSave:9",
+    ]
     assert out["outside"] == 2
 
 
@@ -107,3 +113,25 @@ def test_노선_반영_단추_없앰_배선():
     assert "saveRecommendedRoute(" in initial[at : at + 900]
     replan = _read("B05_Profile/B05_Profile_Api_Replan.ts")
     assert "body: JSON.stringify(body)" in replan and "as_initial?: boolean;" in replan
+
+
+def test_넘김_알림은_결과_한_줄에_합침():
+    """346-3 덧 — [저장] 뒤 「노선 밖 고침」 두 줄 → 한 줄 · 넘김은 조용히 수만 · 기본은 알림 그대로."""
+    keys = _read("B06_Section/B06_Section_Station_Keys.ts")
+    assert "{ quiet = false }: { quiet?: boolean } = {}," in keys
+    assert "if (outside.size && !quiet)" in keys
+    apply = _read("B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts")
+    assert "carryStationDrafts(projectId, fromRouteId, toRouteId, { quiet: true })" in apply
+
+
+def test_노선_반영_글자_없음():
+    recommend = _read("B05_Profile/B05_Profile_UI_Panel_Recommend.ts")
+    assert "노선 반영" not in recommend and "다시 계산은 [저장]에서" in recommend
+    for rel in (
+        "B05_Profile/B05_Profile_UI_RouteEdit.ts",
+        "B05_Profile/B05_Profile_UI_RouteEdit_History.ts",
+        "B05_Profile/B05_Profile_UI_RouteEdit_Draft.ts",
+        "A00_Common/design/design_view_profile.ts",
+    ):
+        text = _read(rel)
+        assert "[노선 반영]" not in text and "[반영 전으로]" not in text, rel