Plans for a new railway connecting Heathrow to Surrey and beyond have resurfaced as the track's supporters welcomed the government's backing for a third runway at the airport. The line, called the Heathrow Southern Railway (HSR),

London's Heathrow Airport will submit its proposal for a third runway this summer, the chief executive of the hub said, weeks after the British government threw its weight behind the project citing its potential to boost trade and economic growth.

Plans for a new railway connecting Surrey to Heathrow and beyond have resurfaced as the track’s backers welcomed government support for a third runway at the airport.