| name | risk-and-redundancy |
| description | Use when populating the Watch-outs section of a trip plan. Encodes failure modes (closures, weather, motion sickness, altitude, kid logistics) and the rule that every trip needs a Plan B for load-bearing legs. Invoked by trip-planner. |
| type | reference |
risk-and-redundancy
The "no surprises" promise. A good trip plan surfaces what could go wrong inside the plan itself, with a fallback for each load-bearing leg, so the family is never blindsided.
The watch-outs taxonomy
Every trip should consider risks across these eight categories. Skip a category only if it genuinely doesn't apply.
1. Weather closures
What can shut down on short notice:
- Mountain lifts and cogwheel railways: fog, high wind, lightning. Schilthorn / Klein Matterhorn / Pilatus all close 5–10 days/year in summer, more in shoulder season.
- Coastal ferries: rough seas, hurricane warnings (Gulf, Atlantic, Pacific NW)
- Mountain passes / scenic byways: snow closures (Alpine, Rocky, Sierra; even May–June in high passes)
- Beach access: red tide (FL Gulf), jellyfish blooms, hurricane evacuation orders
- National park gates: wildfire smoke, flooding (especially desert flash floods)
- Avalanche / rockfall closures: alpine roads, NM/UT/CO state highways
Always name the specific failure mode in the trip body, not generic "check weather". E.g., #68 says: "Schilthorn, Klein Matterhorn, and Pilatus can shut on short notice for fog/wind. Build in a buffer day or be willing to swap to a lower-altitude alternative."
2. Sold-out / fully-booked
- Premium reservations: Glacier Express in summer; Jungfraujoch on clear days; Yosemite Tunnel View parking; Antelope Canyon tours; Alhambra entry tickets
- Lodging: US national park towns 9 months out; Lauterbrunnen / Wengen 4 months out for May–June; beach condos peak season
- Events: local festivals can sell out the entire town's lodging — check trip dates against major festivals
- Restaurants: Michelin-starred / hyped restaurants 2+ months ahead
For each load-bearing reservation, name the open-window: "Glacier Express opens 3 months ahead, fills for window seats."
3. Motion sickness / altitude / physical strain
- Cogwheel railways with steep gradient (Pilatus 48%, Mt. Washington 25%) — bring Dramamine
- Switchback mountain roads (Going-to-the-Sun, Stelvio Pass, Trollstigen)
- Boat tours / ferries in choppy waters
- High-altitude attractions: Jungfraujoch 3,454 m, Pikes Peak 4,302 m, Tibetan plateau anywhere — limit time at summit, hydrate, no alcohol
- Long hikes: check kid / elder fitness gates; provide turnaround points
4. Kid / elder logistics
- Long transit days: plan bathroom + food breaks every 2 hours
- Naptime windows: 1 PM – 3 PM with toddlers
- Stroller access: cobblestoned hill towns (Italian medieval, French Provence) are stroller-hostile
- Stair-only lodgings: elevator filter is non-negotiable for elderly + heavy bags
- Kid energy peak: mornings; schedule the cognitive-load activity before lunch
- Picky eaters: familiar food first night; ease into local cuisine
5. Sunday / holiday closures
- Switzerland: most grocery stores closed Sunday (train station Coops/Migros are exception)
- Germany / Austria: Sunday closures even more strict
- Italy: August (especially Aug 15 / Ferragosto) — much of Rome / non-tourist towns shut
- Spain / France: afternoon siesta closures 2–5 PM in smaller towns
- US national parks: entry station hours; some parks close in winter
- Religious holidays: Easter/Christmas; Ramadan in Muslim-majority countries (food access changes)
6. Currency / payment / connectivity
- Cash-only reality: rural Italian trattorias, Japanese small inns, French boulangeries, German biergartens
- Currency: Switzerland is CHF not Euro; UK is GBP not Euro; Norway is NOK; Sweden is SEK
- Card acceptance: Amex rarely accepted in Europe; some Japanese / German shops are Visa/MC only
- Cellular dead zones: rural national parks, Norwegian fjords, parts of Iceland, Alpine valleys
- Download offline: Google Maps, lodging address, train tickets, lodging confirmation PDFs
7. Documents / visas / health
- Passport validity: must be valid ≥ 6 months past return date for most international travel
- ETIAS (Europe-Schengen): rolling out 2026; verify status at booking
- Vaccinations: check CDC for destination-specific recommendations 4–6 weeks ahead
- Travel insurance: medical + cancellation; non-trivial for Switzerland (healthcare excellent but expensive without coverage)
- Prescription medication: carry in original bottles + doctor's note for international
- Driver's license: International Driving Permit required in Italy, Greece, parts of Asia
8. Local pitfalls
The "wish I'd known" knowledge per region:
- Zermatt: car-free; last vehicle stop is Täsch + 12-min train
- Italian ZTL zones: historic centers fine the rental car ~€100 per drive-in
- Iceland F-roads: require 4WD; rental insurance often excludes them
- Hawaii: no rental cars on Lanai; book the inter-island flight first
- Yellowstone: geothermal area boardwalks only — children go off-trail and die yearly
- Beach destinations: lifeguard hours; rip currents; no-swim red flags
- Train station luggage: US Amtrak has limited overhead; Eurostar has explicit size limits
The Plan B rule (load-bearing)
Every load-bearing leg of the trip must have a named fallback. A leg is load-bearing if its failure cancels the rest of the day or trip.
| Load-bearing leg | Plan B |
|---|
| Glacier Express reservation | Regular SBB regional train (same scenery, no panoramic windows, no supplement) |
| Jungfraujoch on cloudy day | Schilthorn / Mt. First / Trümmelbach Falls |
| Hot Springs NP bathhouse closed | Hike Hot Springs Mountain Tower |
| Beach day, red tide warning | Day-trip to Mobile Bay aquarium / inland state park |
| Beavers Bend cabin booking falls through | Broken Bow Lake state park lodge |
| Flight cancellation Day 1 | Hotel willing to flex check-in by 24 hrs |
| Restaurant reservation lost | Backup #2 in same neighborhood |
If a leg has no acceptable Plan B, mark it explicitly: "If the Glacier Express seats are sold out, the alpine scenery alternative is Bernina Express; both should be booked as a pair."
Buffer day
For trips ≥ 5 days, build in at least one buffer half-day — no scheduled activity, available to absorb a closure / illness / spontaneous opportunity. Mark it explicitly in the itinerary so it doesn't get filled by accident.
Watch-outs section template
## Watch-outs
- **<Most likely failure mode>** <how it presents> <Plan B>
- **<Second failure mode>** ...
- ...
- **<Local pitfall #1>** ...
- **<Document / health gotcha>** ...
- **<Sunday / closure timing>** ...
- **<Kid / elder logistics>** ...
- **<Currency / payment>** ...
Aim for 6–10 bullets. Fewer = under-prepared trip plan; more = unreadable.
What separates this from "common sense"
A travel agent's value is naming the specific failure mode, not generic advice:
-
❌ "Check the weather" — useless
-
✅ "Schilthorn closes for high winds 5–10 days/year in summer; have a Trümmelbach Falls alternative ready"
-
❌ "Drive carefully" — useless
-
✅ "Going-to-the-Sun Road has alpine switchbacks that trigger motion sickness; sit in front, eat lightly before"
-
❌ "Bring layers" — useless
-
✅ "Jungfraujoch is -5 °C in summer; valley is 22 °C; pack one warm layer per person carry-on, not check-in"
The bar: every watch-out should name what closes, why, how often, how it presents, and what to do instead.
