Which London Underground line would you take to get directly to Heathrow Airport?
Heathrow Airport transport proposals years of its operation, public transport links to Heathrow Airport were provided by airport buses. Rail connections to Heathrow Airport began in 1977 with the extension of the London Underground Piccadilly line to Heathrow Central tube station (now Heathrow Terminals 2 & 3). The Tube was extended to Terminal 4 in 1986 and Terminal 5 in 2008. A new airport rail link opened between Heathrow and London Paddington station in 1998, when the Heathrow Express service began. This mainline rail service is due to be extended to central London and Essex when the Elizabeth line, currently under construction, opens in
Heathrow Airport transport proposals stations. It would also create a new link to the airport from via , , and . HS4Air was a proposal for a new high-speed railway line which would link HS2 to the High Speed 1 line and the Channel Tunnel. The proposed route would run south of London, with stations at Heathrow and Gatwick Airports. The HS4Air scheme was rejected by Government in December 2018 and will not go ahead. Heathrow Airport transport proposals Over the years, a number of transport proposals have been made to improve public access to Heathrow Airport, near London in the United Kingdom. Currently,