 In 2007, the line transported 4 million people, of which 2.7 million were air passengers who used the Arlanda Express, 0.6 million were employees at the airport, and 0.7 million traveled with other train operators.Between 1,200 and 1,500 passengers board and disembark Upptåget trains at the airport each day.There are no freight trains because of safety considerations in the underground station.