However, a new coalition government is taking office in the Grand Duchy - promising the abolishment of train, tram and bus tickets next summer.
The abolition of fares is the latest step in Luxembourg's ambitious public transport project. As the UK's The Independent newspaper noted, fares are capped at about $2.20 for two hours of travel.
Luxembourg has previously shown it has a forward-looking attitude towards transport - over the summer, the government introduced free transport for young people under the age of 20.
Press reports said the traffic problem was a major challenge for politicians seeking election as congestion was set to worsen with population growth in Luxembourg.
It's hoped that by 2020, all tickets for public transportation will be abolished, leaving no need for fare collection and policing of ticket purchases and a significant reduction in traffic congestion.
And secondary school students are provided with free shuttles between their places of study and their home.
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The law was just one point of intersection for Bush and Dole, now 95, who was one of its leading advocates in the Senate. Dog owners also chimed in to insist that six months is more than enough time to foster a close bond with an animal.
The country as a whole has about 200,000 residents and almost 200,000 people from neighbouring countries cross the border each day to work in Luxembourg.
Luxembourg Prime Minister Xavier Bettel promised to prioritise the environment. In a country of only 999 square miles, this covers nearly all journeys, The Guardian noted.
On top of the transport pledge, the new government is also considering legalising cannabis, and introducing two new public holidays. For example, a decision still needs to be taken on what to do with first- and second-class compartments on trains.
However, because the Greens gained, the three parties in government have 31 seats in the 60-seat chamber.
However, even this low fare will end under the plans that will be paid for in part by removing a tax break for commuters.