diff --git a/resources/tester/test_472_6_design_save.py b/resources/tester/test_472_6_design_save.py
index 5f1af1c1f..d2d444d9f 100644
--- a/resources/tester/test_472_6_design_save.py
+++ b/resources/tester/test_472_6_design_save.py
@@ -4,6 +4,7 @@
   ② 실제 창구(검증_sub8 · DB · storage) — 중간 차례 실패 → DB 7 표 행 · storage 해시 시작 그대로 ·
      차례 이름 · 까닭 · restored. 같은 본문 정상 = 옛 차례(안쪽 창구 차례로 부름)와 행 · 파일 같음.
 검증 프로젝트가 없는 자리(다른 PC · DB 없음)는 ② 건너뜀.
+② 는 살아 있는 검증_sub8 사용 · 노선 바뀌어도 됨(최신 노선 id · 추가 측점 자리를 그때 읽음).
 
     ./venv/Scripts/python.exe -m pytest resources/tester/test_472_6_design_save.py -q
 """
@@ -106,13 +107,46 @@ def _state(root: Path) -> tuple[dict, dict]:
     return clean, files
 
 
+def _latest_route() -> tuple[int, float]:
+    """(최신 노선 id — 저장 창구가 견주는 그 값, 추가 측점 자리 — 가운데 두 측점 사이)."""
+    from B06_Section.B06_Section_Repository import get_workflow_route_context
+    from config.config_db import close_db_pool, init_db_pool
+
+    async def run():
+        pool = await init_db_pool()
+        try:
+            async with pool.acquire() as connection:
+                return await get_workflow_route_context(connection, UUID(PROJECT))
+        finally:
+            await close_db_pool()
+
+    route_id = int(asyncio.run(run())["route_id"])
+    longitudinal = ROOT_DIR / "B06_Section" / "longitudinal" / "longitudinal.json"
+    stations = json.loads(longitudinal.read_text(encoding="utf-8"))["stations"]
+    middle = len(stations) // 2
+    a, b = (float(stations[i]["chainage_m"]) for i in (middle - 1, middle))
+    return route_id, round((a + b) / 2, 2)
+
+
+def _without_ids(rows: dict) -> dict:
+    """행 자동 번호(`id`) 뺀 비교 꼴 — 새 추가 측점 행은 두 길이 다른 번호를 받음."""
+    return {
+        table: sorted(
+            json.dumps({k: v for k, v in row.items() if k != "id"}, sort_keys=True)
+            for row in values
+        )
+        for table, values in rows.items()
+    }
+
+
 def _request(**extra):
     from B06_Section.B06_Section_Router_DesignSave import DesignSaveRequest
 
+    route_id, plus_at = _latest_route()
     body = {
-        "route_id": 380,
+        "route_id": route_id,
         "settings": {"design_speed_kph": 20, "terrain_type": "special", "max_grade_pct": 13.0},
-        "plus_stations": {"chainages": [500.0]},
+        "plus_stations": {"chainages": [plus_at]},
         "cross": {},
         **extra,
     }
@@ -171,7 +205,7 @@ def test_정상_한_본문은_옛_차례와_같음() -> None:
             files = guard.snapshot_storage(ROOT_DIR, guard.STORAGE_SCOPE)
             await save_page_settings(UUID(PROJECT), request.settings)
             await put_plus_stations(UUID(PROJECT), request.plus_stations)
-            await save_sections(UUID(PROJECT), 380, request.cross)
+            await save_sections(UUID(PROJECT), request.route_id, request.cross)
             return rows, files
         finally:
             await close_db_pool()
@@ -195,7 +229,7 @@ def test_정상_한_본문은_옛_차례와_같음() -> None:
         assert status == 200 and body["status"] == "success", body
         assert set(body["steps"]) == {"settings", "plusStations", "cross"}
         new = _state(ROOT_DIR)
-        assert new[0] == old[0]
+        assert _without_ids(new[0]) == _without_ids(old[0])
         assert new[1] == old[1]
     finally:
         asyncio.run(undo())
@@ -225,13 +259,15 @@ def test_같은_프로젝트_저장이_겹치면_뒤_요청이_기다림() -> No
     from B06_Section.B06_Section_Router_DesignSave import DesignSaveRequest, save_design
     from config.config_db import close_db_pool, init_db_pool
 
+    route_id = _latest_route()[0]
+
     async def run():
         await init_db_pool()
         try:
             lock = guard.project_lock(PROJECT)
             await lock.acquire()
             task = asyncio.create_task(
-                save_design(UUID(PROJECT), DesignSaveRequest(route_id=380), None)
+                save_design(UUID(PROJECT), DesignSaveRequest(route_id=route_id), None)
             )
             await asyncio.sleep(0.3)
             assert not task.done()  # 앞 저장(잠금)이 끝날 때까지 기다림