diff --git a/assets/src/components/notificationCard.tsx b/assets/src/components/notificationCard.tsx
index ce4022f8a..b96f6205c 100644
--- a/assets/src/components/notificationCard.tsx
+++ b/assets/src/components/notificationCard.tsx
@@ -1,4 +1,4 @@
-import React, { ReactNode } from "react"
+import React, { ReactNode, useCallback, useState } from "react"
 import { useRoute, useRoutes } from "../contexts/routesContext"
 import {
   BlockWaiverNotification,
@@ -13,6 +13,13 @@ import { CardBody, CardProperties, CardReadable } from "./card"
 import { fullStoryEvent } from "../helpers/fullStory"
 import { RoutePill } from "./routePill"
 import inTestGroup, { TestGroups } from "../userInTestGroup"
+import { useApiCall } from "../hooks/useApiCall"
+import { fetchDetour } from "../api"
+import { createDetourMachine } from "../models/createDetourMachine"
+import { isValidSnapshot } from "../util/isValidSnapshot"
+import { isErr } from "../util/result"
+import { DetourModal } from "./detours/detourModal"
+import { DetourId } from "../models/detoursList"
 
 export const NotificationCard = ({
   notification,
@@ -27,6 +34,13 @@ export const NotificationCard = ({
   hideLatestNotification?: () => void
   noFocusOrHover?: boolean
 }) => {
+  const [showDetourModal, setShowDetourModal] = useState(false)
+
+  const detourId =
+    notification.content.$type === NotificationType.Detour
+      ? notification.content.detourId
+      : undefined
+
   const routes = useRoutes(
     isBlockWaiverNotification(notification) ? notification.content.routeIds : []
   )
@@ -43,52 +57,112 @@ export const NotificationCard = ({
     return null
   }
 
+  const onClose = () => {
+    setShowDetourModal(false)
+  }
   const isUnread = notification.state === "unread"
   return (
-    <CardReadable
-      currentTime={currentTime}
-      title={<>{title(notification)}</>}
-      style="kiwi"
-      isActive={isUnread}
-      openCallback={() => {
-        openVPPForCurrentVehicle(notification)
-
-        if (hideLatestNotification) {
-          hideLatestNotification()
-        }
-
-        if (notification.content.$type === NotificationType.BridgeMovement) {
-          fullStoryEvent("User clicked Chelsea Bridge Notification", {})
-        }
-      }}
-      closeCallback={hideLatestNotification}
-      time={notification.createdAt}
-      noFocusOrHover={noFocusOrHover}
-    >
-      <CardBody>{description(notification, routes, routeAtCreation)}</CardBody>
-      {isBlockWaiverNotification(notification) && (
-        <CardProperties
-          properties={[
-            {
-              label: "Run",
-              value:
-                notification.content.runIds.length > 0
-                  ? notification.content.runIds.join(", ")
-                  : null,
-            },
-            {
-              label: "Operator",
-              value:
-                notification.content.operatorName !== null &&
-                notification.content.operatorId !== null
-                  ? `${notification.content.operatorName} #${notification.content.operatorId}`
-                  : null,
-              sensitive: true,
-            },
-          ]}
+    <>
+      <CardReadable
+        currentTime={currentTime}
+        title={<>{title(notification)}</>}
+        style="kiwi"
+        isActive={isUnread}
+        openCallback={() => {
+          if (notification.content.$type === NotificationType.Detour) {
+            setShowDetourModal(true)
+          } else {
+            openVPPForCurrentVehicle(notification)
+
+            if (hideLatestNotification) {
+              hideLatestNotification()
+            }
+
+            if (
+              notification.content.$type === NotificationType.BridgeMovement
+            ) {
+              fullStoryEvent("User clicked Chelsea Bridge Notification", {})
+            }
+          }
+        }}
+        closeCallback={hideLatestNotification}
+        time={notification.createdAt}
+        noFocusOrHover={noFocusOrHover}
+      >
+        <CardBody>
+          {description(notification, routes, routeAtCreation)}
+        </CardBody>
+        {isBlockWaiverNotification(notification) && (
+          <CardProperties
+            properties={[
+              {
+                label: "Run",
+                value:
+                  notification.content.runIds.length > 0
+                    ? notification.content.runIds.join(", ")
+                    : null,
+              },
+              {
+                label: "Operator",
+                value:
+                  notification.content.operatorName !== null &&
+                  notification.content.operatorId !== null
+                    ? `${notification.content.operatorName} #${notification.content.operatorId}`
+                    : null,
+                sensitive: true,
+              },
+            ]}
+          />
+        )}
+      </CardReadable>
+      {detourId && (
+        <DetourNotificationModal
+          show={showDetourModal}
+          detourId={detourId}
+          onClose={onClose}
         />
       )}
-    </CardReadable>
+    </>
+  )
+}
+
+const DetourNotificationModal = ({
+  detourId,
+  show,
+  onClose,
+}: {
+  detourId: DetourId
+  show: boolean
+  onClose: () => void
+}) => {
+  const { result: stateOfDetourModal } = useApiCall({
+    apiCall: useCallback(async () => {
+      if (detourId === undefined) {
+        return undefined
+      }
+      const detourResponse = await fetchDetour(detourId)
+      if (isErr(detourResponse)) {
+        return undefined
+      }
+      const snapshot = isValidSnapshot(
+        createDetourMachine,
+        detourResponse.ok.state
+      )
+      if (isErr(snapshot)) {
+        return undefined
+      }
+      return snapshot.ok
+    }, [detourId]),
+  })
+
+  return (
+    <DetourModal
+      onClose={onClose}
+      show={show}
+      originalRoute={{}}
+      key={detourId ?? ""}
+      {...(stateOfDetourModal ? { snapshot: stateOfDetourModal } : {})}
+    />
   )
 }
 
diff --git a/assets/tests/components/notificationCard.openDetour.test.tsx b/assets/tests/components/notificationCard.openDetour.test.tsx
new file mode 100644
index 000000000..8256b39bb
--- /dev/null
+++ b/assets/tests/components/notificationCard.openDetour.test.tsx
@@ -0,0 +1,98 @@
+import { jest, describe, test, expect } from "@jest/globals"
+import "@testing-library/jest-dom/jest-globals"
+import React from "react"
+import { render, screen } from "@testing-library/react"
+import { NotificationCard } from "../../src/components/notificationCard"
+import { detourActivatedNotificationFactory } from "../factories/notification"
+import routeFactory from "../factories/route"
+import userEvent from "@testing-library/user-event"
+import { RoutesProvider } from "../../src/contexts/routesContext"
+import { fetchDetour, fetchDetours } from "../../src/api"
+import { Ok } from "../../src/util/result"
+import { detourListFactory } from "../factories/detourListFactory"
+import { createActor } from "xstate"
+import { createDetourMachine } from "../../src/models/createDetourMachine"
+import { originalRouteFactory } from "../factories/originalRouteFactory"
+import { shapePointFactory } from "../factories/shapePointFactory"
+import getTestGroups from "../../src/userTestGroups"
+import { TestGroups } from "../../src/userInTestGroup"
+
+jest.mock("../../src/api")
+jest.mock("../../src/helpers/fullStory")
+jest.mock("../../src/userTestGroups")
+
+const routes = [
+  routeFactory.build({
+    id: "route1",
+    name: "r1",
+  }),
+  routeFactory.build({
+    id: "route2",
+    name: "r2",
+  }),
+  routeFactory.build({
+    id: "route3",
+    name: "r3",
+  }),
+]
+
+describe("NotificationCard", () => {
+  test("renders detour details modal to match mocked fetchDetour", async () => {
+    jest
+      .mocked(getTestGroups)
+      .mockReturnValue([TestGroups.DetoursPilot, TestGroups.DetoursList])
+
+    jest.mocked(fetchDetours).mockResolvedValue(Ok(detourListFactory.build()))
+
+    // Stub out a detour machine, and start a detour-in-progress
+    const machine = createActor(createDetourMachine, {
+      input: originalRouteFactory.build(),
+    }).start()
+    machine.send({
+      type: "detour.edit.place-waypoint-on-route",
+      location: shapePointFactory.build(),
+    })
+    machine.send({
+      type: "detour.edit.place-waypoint",
+      location: shapePointFactory.build(),
+    })
+    machine.send({
+      type: "detour.edit.place-waypoint-on-route",
+      location: shapePointFactory.build(),
+    })
+    machine.send({ type: "detour.edit.done" })
+
+    const snapshot = machine.getPersistedSnapshot()
+    machine.stop()
+
+    // Return the state of the machine as the fetchDetour mocked value,
+    // even if it doesn't match the detour clicked
+    jest.mocked(fetchDetour).mockResolvedValue(
+      Ok({
+        updatedAt: 1726147775,
+        author: "fake@email.com",
+        state: snapshot,
+      })
+    )
+
+    const n = detourActivatedNotificationFactory.build()
+
+    render(
+      <RoutesProvider routes={routes}>
+        <NotificationCard
+          notification={n}
+          currentTime={new Date()}
+          openVPPForCurrentVehicle={() => {}}
+        />
+      </RoutesProvider>
+    )
+
+    // await userEvent.click(screen.getByText(/run1/))
+    await userEvent.click(screen.getByRole("button", { name: /Detour/ }))
+    // Render modal based on mocked value, which is a detour-in-progress
+
+    expect(
+      screen.getByRole("heading", { name: "Share Detour Details" })
+    ).toBeVisible()
+  })
+})
diff --git a/assets/tests/factories/notification.ts b/assets/tests/factories/notification.ts
index f52da227d..f2fc2a3e4 100644
--- a/assets/tests/factories/notification.ts
+++ b/assets/tests/factories/notification.ts
@@ -4,6 +4,7 @@ import {
   BlockWaiverReason,
   BridgeLoweredNotification,
   BridgeRaisedNotification,
+  DetourNotification,
   Notification,
   NotificationType,
 } from "../../src/realtime"
@@ -84,3 +85,23 @@ export const bridgeLoweredNotificationFactory = Factory.define<
   state: "unread",
   content: bridgeLoweredNotificationContentFactory.build(),
 }))
+
+const detourActivatedNotificationContentFactory =
+  Factory.define<DetourNotification>(() => ({
+    $type: NotificationType.Detour,
+    status: "activated",
+    detourId: 79,
+    headsign: "79 - Wooded Mountains",
+    route: "79",
+    direction: "Inbound",
+    origin: "Maple Knoll",
+  }))
+
+export const detourActivatedNotificationFactory = Factory.define<
+  Notification<DetourNotification>
+>(({ sequence }) => ({
+  id: sequence.toString(),
+  createdAt: new Date(),
+  state: "unread",
+  content: detourActivatedNotificationContentFactory.build(),
+}))