diff --git a/scripts/check-santa-teresa-actions.mjs b/scripts/check-santa-teresa-actions.mjs
new file mode 100644
index 00000000..06ce34f6
--- /dev/null
+++ b/scripts/check-santa-teresa-actions.mjs
@@ -0,0 +1,143 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+
+// Test the promoted entry into the real comparison, with controlled reports.
+// External CBP navigation uses a fixture, never the live site or a login.
+export async function checkSantaTeresaActions(context, baseUrl) {
+  const snapshot = JSON.parse(fs.readFileSync(new URL('../public/data/crossings.json', import.meta.url)));
+  const crossing = snapshot.crossings.find(c => c.port_number === '240801');
+  const slug = 'santa-teresa-santa-teresa-port-of-entry';
+  const detailPath = `/crossing/${slug}/`;
+  const comparisonPath = `/walk-or-drive/${slug}/`;
+  const sourceUrl = 'https://bwt.cbp.gov/details/06240801/POV';
+  const feedMatcher = url => ['/data/crossings.json', '/api/public/crossings'].includes(url.pathname);
+  let fail = false;
+  const feed = route => fail ? route.fulfill({ status: 503, body: 'fixture unavailable' })
+    : route.fulfill({ contentType: 'application/json', body: JSON.stringify(snapshot) });
+  const official = route => route.fulfill({ contentType: 'text/html', body: '<h1>CBP navigation fixture</h1>' });
+  await context.route(feedMatcher, feed);
+  await context.route(sourceUrl, official);
+  const page = await context.newPage();
+  page.setDefaultTimeout(10_000);
+  const errors = [];
+  page.on('pageerror', e => errors.push(e.message));
+  const now = Date.now();
+  await page.clock.install({ time: now });
+  const lane = minutes => ({ delay_minutes: minutes, status: minutes === 0 ? 'No Delay' : 'delay', lanes_open: 1, update_time: 'At 10:00 am MDT' });
+  const setWaits = (drive, walk) => {
+    crossing.northbound_wait_time = drive;
+    crossing.current_wait_time = drive;
+    crossing.lanes = {
+      passenger_standard: drive == null ? null : lane(drive),
+      pedestrian_standard: walk == null ? null : lane(walk),
+    };
+  };
+  try {
+    for (const lang of ['en', 'es']) {
+      const es = lang === 'es';
+      const navName = es ? 'Planifica tu cruce en Santa Teresa' : 'Plan your Santa Teresa crossing';
+      const actionName = es ? 'Compara a pie y en auto' : 'Compare walking and driving';
+      const officialName = es ? 'Reporte y horarios de CBP (abre otra pestaña)' : 'CBP report and hours (opens a new tab)';
+      await page.clock.setSystemTime(now);
+      fail = false;
+      crossing.port_status = 'Open';
+      crossing.hours = 'Fixture CBP hours';
+      snapshot.fetched_at = new Date(now).toISOString();
+      setWaits(60, 30);
+      await page.goto(baseUrl.href);
+      await page.evaluate(value => localStorage.setItem('borderPulse_language', value), lang);
+      await page.goto(new URL(detailPath, baseUrl).href);
+      const nav = page.getByRole('navigation', { name: navName, exact: true });
+      const action = nav.getByRole('link', { name: actionName, exact: true });
+      const source = nav.getByRole('link', { name: officialName, exact: true });
+      const checkEntry = async () => {
+        await nav.waitFor();
+        assert.equal(await page.locator(`#root a[href="${comparisonPath}"]`).count(), 1, 'move the comparison action; do not duplicate it');
+        for (const link of [action, source]) {
+          const box = await link.boundingBox();
+          assert.ok(box && box.y >= 0 && box.y + box.height <= page.viewportSize().height, 'planning actions fit on the first screen');
+          assert.ok(box.height >= 44, 'planning links meet the 44px target');
+        }
+        assert.equal(await source.getAttribute('href'), sourceUrl);
+        assert.equal(await source.getAttribute('target'), '_blank');
+        assert.match(await source.getAttribute('rel'), /noopener/);
+        assert.match(await source.getAttribute('rel'), /noreferrer/);
+        assert.ok(!/0 min|6 am|midnight|Recommended|Recomendado/.test(await nav.innerText()), 'navigation must not invent waits, hours or a recommendation');
+        assert.ok(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth + 1));
+      };
+      await checkEntry();
+      let reached = false;
+      for (let i = 0; i < 20; i++) {
+        await page.keyboard.press('Tab');
+        if (await action.evaluate(el => document.activeElement === el)) { reached = true; break; }
+      }
+      assert.ok(reached, 'first-screen comparison is reachable by keyboard');
+      await page.keyboard.press('Tab');
+      assert.ok(await source.evaluate(el => document.activeElement === el), 'official source follows comparison in keyboard order');
+      const popupPromise = page.waitForEvent('popup');
+      await page.keyboard.press('Enter');
+      const popup = await popupPromise;
+      try {
+        await popup.getByRole('heading', { name: 'CBP navigation fixture', exact: true }).waitFor();
+        assert.equal(popup.url(), sourceUrl);
+        assert.equal(await popup.evaluate(() => window.opener === null), true);
+      } finally { await popup.close(); }
+      await action.focus();
+      await page.keyboard.press('Enter');
+      await page.waitForURL(url => url.pathname === comparisonPath);
+      await page.getByText(es ? 'Según las esperas reportadas' : 'Based on reported waits', { exact: true }).waitFor();
+      await page.goBack();
+      await page.waitForURL(url => url.pathname === detailPath);
+      // Enter from the promoted action just before the unchanged 90-minute limit.
+      snapshot.fetched_at = new Date(now - 90 * 60_000).toISOString();
+      await page.reload();
+      await checkEntry();
+      await action.click();
+      await page.getByText(es ? 'Según las esperas reportadas' : 'Based on reported waits', { exact: true }).waitFor();
+      fail = true;
+      await page.clock.runFor(61_000);
+      await page.getByTestId('walk-drive-unavailable').waitFor();
+      assert.ok(!/Based on reported waits|Según las esperas reportadas|Recommended|Recomendado|Walk\.|Camina\.|Drive\.|Maneja\.|It's a wash\.|Está parejo\./.test(await page.locator('#root').innerText()));
+      // A failed response did not create fresh advice; a new real timestamp does.
+      fail = false;
+      snapshot.fetched_at = new Date(now + 61_000).toISOString();
+      await page.evaluate(() => window.dispatchEvent(new Event('online')));
+      await page.getByText(es ? 'Según las esperas reportadas' : 'Based on reported waits', { exact: true }).waitFor();
+      await page.goBack();
+      await page.waitForURL(url => url.pathname === detailPath);
+      for (const [drive, walk] of [[60, null], [null, null]]) {
+        setWaits(drive, walk);
+        crossing.hours = '';
+        await page.reload();
+        await checkEntry();
+        await action.click();
+        await page.getByRole('heading', { level: 1, name: es ? `${crossing.name}: sin espera peatonal actual reportada` : `${crossing.name}: no current pedestrian wait reported`, exact: true }).waitFor();
+        assert.ok(!/\b0 min\b|Recommended|Recomendado/.test(await page.locator('#root').innerText()), 'absent waits do not become zero or a verdict');
+        await page.goBack();
+        await page.waitForURL(url => url.pathname === detailPath);
+      }
+      setWaits(0, 0);
+      await page.reload();
+      await checkEntry();
+      await action.click();
+      await page.getByText(es ? 'Según las esperas reportadas' : 'Based on reported waits', { exact: true }).waitFor();
+      assert.match(await page.locator('#root').innerText(), /\b0 min\b/, 'genuine zero is preserved');
+      await page.goBack();
+      crossing.port_status = 'Closed';
+      await page.reload();
+      await checkEntry();
+      await action.click();
+      await page.getByRole('heading', { level: 1, name: es ? `${crossing.name}: cerrado ahora` : `${crossing.name}: closed now`, exact: true }).waitFor();
+      assert.ok(!/\b0 min\b|Recommended|Recomendado/.test(await page.locator('#root').innerText()));
+    }
+    await page.goto(new URL('/crossing/columbus/', baseUrl).href);
+    await page.locator('#root h1').waitFor();
+    assert.equal(await page.getByRole('navigation', { name: /Santa Teresa/ }).count(), 0, 'no actions on unrelated ports');
+    assert.deepEqual(errors, []);
+  } finally {
+    await page.close();
+    await context.unroute(feedMatcher, feed);
+    await context.unroute(sourceUrl, official);
+  }
+  console.log('[santa-teresa-actions] PASS: EN/ES first-screen links, keyboard/source new tab, Back, aging/failed refresh/recovery, missing waits, zero and closure; other ports unchanged');
+}
diff --git a/scripts/smoke-routes.mjs b/scripts/smoke-routes.mjs
index b490188d..0a829162 100644
--- a/scripts/smoke-routes.mjs
+++ b/scripts/smoke-routes.mjs
@@ -14,6 +14,7 @@ import { checkWalkDriveFreshness } from './check-walk-drive-freshness.mjs';
 import { checkWalkDriveAvailability } from './check-walk-drive-availability.mjs';
 import { checkComparisonGuide } from './check-comparison-guide.mjs';
 import { checkSentriRenewal } from './check-sentri-renewal.mjs';
+import { checkSantaTeresaActions } from './check-santa-teresa-actions.mjs';
 import { checkReportTimes } from './check-report-times.mjs';
 import { checkAdSlotDiagnostics } from './check-ad-slot-diagnostics.mjs';
 import { assertNoGlobalFaq, checkBuiltFaqScope, checkFaqNavigation } from './check-faq-scope.mjs';
@@ -335,6 +336,7 @@ async function runProfile(browser, profile, manifest, expectedCrossingCount) {
     await checkWalkDriveFreshness(context, baseUrl);
     await checkComparisonGuide(page, context, baseUrl);
     await checkSentriRenewal(page, context, baseUrl);
+    await checkSantaTeresaActions(context, baseUrl);
   } catch (error) {
     failures.push(`${profile.name} growth interactions: ${error.stack || error.message}`);
   }
diff --git a/src/components/dashboard/SantaTeresaActions.jsx b/src/components/dashboard/SantaTeresaActions.jsx
new file mode 100644
index 00000000..c8c20804
--- /dev/null
+++ b/src/components/dashboard/SantaTeresaActions.jsx
@@ -0,0 +1,20 @@
+import { Link } from 'react-router-dom';
+
+// Navigation does not establish current lane availability or resolve hours.
+export default function SantaTeresaActions({ slug, language }) {
+  const es = language === 'es';
+  const linkClass = 'inline-flex min-h-11 items-center rounded-md border border-slate-200 px-3 py-2 text-sm font-medium text-emerald-700 underline underline-offset-4 dark:border-gray-700 dark:text-emerald-400';
+  const officialLabel = es ? 'Reporte y horarios de CBP' : 'CBP report and hours';
+  return (
+    <nav aria-label={es ? 'Planifica tu cruce en Santa Teresa' : 'Plan your Santa Teresa crossing'}
+      className="mb-4 grid grid-cols-2 gap-2">
+      <Link to={`/walk-or-drive/${slug}/`} className={linkClass}>
+        {es ? 'Compara a pie y en auto' : 'Compare walking and driving'}
+      </Link>
+      <a href="https://bwt.cbp.gov/details/06240801/POV" target="_blank" rel="noopener noreferrer"
+        aria-label={`${officialLabel} (${es ? 'abre otra pestaña' : 'opens a new tab'})`} className={linkClass}>
+        <span>{officialLabel} <span aria-hidden="true">↗</span></span>
+      </a>
+    </nav>
+  );
+}
diff --git a/src/pages/CrossingDetail.jsx b/src/pages/CrossingDetail.jsx
index d8b41c87..cbbd6874 100644
--- a/src/pages/CrossingDetail.jsx
+++ b/src/pages/CrossingDetail.jsx
@@ -10,6 +10,7 @@ import CrossingShare from '@/components/dashboard/CrossingShare';
 import CrossingCameras from '@/components/dashboard/CrossingCameras';
 import { cameraSourceFor } from '@/lib/cameras';
 import { crossingDisplayName, crossingSearchTitle } from '@/lib/crossingNames';
+import SantaTeresaActions from '@/components/dashboard/SantaTeresaActions';
 import SanYsidroDecision from '@/components/dashboard/SanYsidroDecision';
 import { subscribeToBorderData } from '@/lib/liveDataSubscription';
 import { buildSlugMap } from '@/lib/slugs';
@@ -426,6 +427,7 @@ export default function CrossingDetail() {
     };
   });
   const isSanYsidro = canonicalSlug === 'san-ysidro';
+  const isSantaTeresa = String(crossing.port_number) === '240801';
   const lowerCompareEntries = isSanYsidro
     ? compareEntries.filter(({ crossing: c }) => portToSlug[c.port_number] !== 'otay-mesa')
     : compareEntries;
@@ -478,6 +480,8 @@ export default function CrossingDetail() {
         </p>
       </header>
 
+      {isSantaTeresa && <SantaTeresaActions slug={canonicalSlug} language={language} />}
+
       <div className="mb-6">
         <BorderCrossingCard
           crossing={crossing}
@@ -827,7 +831,7 @@ export default function CrossingDetail() {
               })}
             </div>
           )}
-          {hasPedestrianLane(crossing) && !isSanYsidro && (
+          {hasPedestrianLane(crossing) && !isSanYsidro && !isSantaTeresa && (
             <div className="mt-2 text-xs">
               <Link
                 to={`/walk-or-drive/${canonicalSlug}/`}