Then enter the cost for "Other Travel" such as train, ferries, and other modes like tolls, subways, buses, and taxis/ubers. Larger trips (like a train or long bus ride) should be determined with estimated screenshots or booking receipts.
In this example, they will be taking a taxi to/from the airport and hotel on travel days, and return taxis between accommodations and the event facility on setup and show days, so an estimate of $25 per trip was used. The last travel day also includes their $200 long-term parking expense