Build a feasible first route
City count is intentionally limited. Arrival and departure selections are treated as route constraints, not suggestions.
This planner checks route shape, not live inventory. Trains, flights, attraction closures, weather, visa rules and hotel availability still need date-specific verification.
Source control
Sources and review status
Version 2026.07.16.2 was reviewed on 2026-07-16. Next mandatory review: 2026-10-14.