London Stansted Airport record total of 24.3 million making Stansted the fourth busiest airport in the United Kingdom. Stansted also is a major freight airport, the third busiest in the UK during 2016, behind London Heathrow and East Midlands Airport, handling in excess of 223,203 tonnes per annum, although freight throughput has declined slightly from its 2005 peak level. Passenger numbers for the year to September 2016 increased by 8.4% to over 24 million for the first time since 2007. The Stansted Airport Transit System connects the terminal to the satellite buildings via a free automated people mover service which runs on dual
London Stansted Airport concrete track. The system uses a mix of Adtranz C-100 and Bombardier Innovia APM 100 vehicles to carry passengers to departure gates. Unlike the similar Gatwick Airport transit, the Stansted transit is only accessible "airside" (i.e. only after passengers pass through security). Stansted Airport railway station is situated in the terminal building directly below the main concourse. Services to London are on the Stansted Express train to and from London Liverpool Street in Central London. This service operates every 15 minutes and the usual journey time is roughly 45 to 53 minutes. Liverpool Street is served by the Central, Circle,