It is also a good idea to ensure the compartment door is secure from the inside by tying it closed with wire or strong cord. Reservations are required for all trains. However, visitors are advised not to undertake long-distance rail travel. There are two classes of trains, primarily distinguished by the comfort of the seats. Children under five years of age travel free and children from five to nine years of age pay half fare.
Traffic drives on the right.
Travellers attempting to drive around Georgia independently should be aware that it is difficult to buy fuel without highly specialised local knowledge and that an adequate supply of fuel should be obtained in Tbilisi beforehand. Also, reliable road maps or signposts do not exist. Buses provide a reliable if uncomfortable service between towns within the republic. An International Driving Permit is required. Tbilisi is served by buses, trolleybuses, cable cars and a small underground system.