If his space is connected to any adjacent space by a Train path, he may choose to gain one Train Ticket.
If his space is connected to any adjacent space by a Ship path, he may choose to gain one Ship Ticket.
An investigator cannot have more than two travel tickets. If he already has two travel tickets when he performs this action, he must discard one travel ticket before gaining a new travel ticket.
Carson Sinclair may take two travel tickets instead of one when he undertakes a Prepare for Travel action. This also applies to any investigators on his space. The restriction of what tickets he can get still applies.