diff --git a/A00_Common/design/design_shared.ts b/A00_Common/design/design_shared.ts
index a04f8f8b0..d87638d8a 100644
--- a/A00_Common/design/design_shared.ts
+++ b/A00_Common/design/design_shared.ts
@@ -167,6 +167,13 @@ function toAll<K extends keyof RouteProfilePanelCallbacks>(
     )) as NonNullable<RouteProfilePanelCallbacks[K]>;
 }
 
+/** 횡단 설계가 다시 셈됨 — 두 보기에 알리고 좌측 시설 폼 자동 칸(관 길이 · 흙막이 수)을 공용 캐시 새 값으로 다시
+ *  그림(416 · 관을 옮긴 뒤 측점 횡단이 늦게 서도 B05 좌측 = B06 카드). */
+function crossDesignsUpdated(shared: DesignPageShared, updated: ReadonlyArray<number>): void {
+  toAll(shared, "onCrossDesignsUpdated")(updated);
+  shared.structures?.facility.recount();
+}
+
 /** 종단도 한 벌 — 처음 부를 때 만들어 종단도 자리에 붙인다. */
 export function sharedProfile(shared: DesignPageShared): DesignProfile {
   if (shared.profile) return shared.profile;
@@ -183,7 +190,7 @@ export function sharedProfile(shared: DesignPageShared): DesignProfile {
         shared.lastPipes = pipes;
         toAll(shared, "onPipesChanged")(pipes);
       },
-      onCrossDesignsUpdated: toAll(shared, "onCrossDesignsUpdated"),
+      onCrossDesignsUpdated: (updated) => crossDesignsUpdated(shared, updated),
       onStructureMove: toView(shared, "onStructureMove"),
       onStructureRemove: toView(shared, "onStructureRemove"),
       onPipeAdd: toView(shared, "onPipeAdd"),
@@ -227,7 +234,7 @@ function startPagePipeline(shared: DesignPageShared, profile: DesignProfile): vo
       if (!detailCross(detail, stations)) return null;
       const edits = profile.pipelineSource().edits;
       const updated = await refreshCrossDesigns({ projectId, routeId, detail, edits });
-      if (updated.length) toAll(shared, "onCrossDesignsUpdated")(updated);
+      if (updated.length) crossDesignsUpdated(shared, updated);
       profile.redraw();
       return detailCross(detail, stations);
     },
diff --git a/resources/tester/test_416_page_cache.py b/resources/tester/test_416_page_cache.py
index 86a602c3c..be83854a9 100644
--- a/resources/tester/test_416_page_cache.py
+++ b/resources/tester/test_416_page_cache.py
@@ -63,6 +63,17 @@ def test_M5_관_길이는_공용_캐시(r):
     ]
 
 
+def test_M5_횡단_다시_셈_뒤_좌측_폼_다시_그림():
+    shared = _read("A00_Common/design/design_shared.ts")
+    body = shared[shared.index("function crossDesignsUpdated(") :]
+    body = body[: body.index("\n}\n")]
+    assert "shared.structures?.facility.recount()" in body
+    # 종단도 알림 · 저장 노선 다시 셈 두 길 다 이 함수로
+    assert "onCrossDesignsUpdated: (updated) => crossDesignsUpdated(shared, updated)" in shared
+    assert "if (updated.length) crossDesignsUpdated(shared, updated);" in shared
+    assert 'toAll(shared, "onCrossDesignsUpdated")' in body
+
+
 def test_M1_비운_뒤_두_보기는_새_객체_하나(r):
     assert r["m1"] == {
         "sameObject": True,