Air transport is the most costliest and modern means of transport.
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1. Switzerland. Switzerland is known for being a really expensive place to live, so it's not too surprising to see that they were the number one most expensive country for public transport fares.
Not only is the New York City public transportation system the most extensive in the country, but it's also one of the few that operates all night long. Both subway trains and bus services run 24/7.