Intermodal Bicycling[transit] [buses] [planes] [trains] [ferries] [folders]
Travel with Bicycles (Air/Rail/Other)
A major resource with information on access to specific airports and railways throughout the world.
New England Ferries which carry bicycles
Sending bikes unboxed is often the least risky way to transport them, though boxed bicycles may present less hassle at check-in time.