There are other optional public transport services within the airport; this includes a train, golf carts which are used to access the places that which cannot be accessed by taxis and other cars. At some large airports, all the terminals are interconnected to help one move from one terminal the other just incase of a flight switch. Terminal stops are fitted at specific places and there might even be a way out to the parking garage. One is advised to learn and know the terminal to which they are supposed to use.

In case of a flight change, one should easily change to the required terminal without having to inconvenience anyone or be late/miss the flight. Taking time to get a know-how of the airport will save one time just incase the get lost within the airport. If one has a luggage to carry along to the flight, there are carts that help one move their luggage easily around the airport. Mothers who also have their young children with them, the might use some of the oversize carts to carry their children from one point of the airport to another. Elderly people and differently abled people may use these golf carts as means of movement from one point to the other.