London's Heathrow Airport, one of the world's busiest hubs, will submit its proposal for a third runway to the British government by summer, its chief executive Thomas Woldbye will say in a speech on Wednesday.

Two shorter runways at DCA are to be closed until Feb. 10. Federal transportation officials had earlier restricted helicopter flights at the busy airport.

Heathrow Airport is set to confirm a multi-billion pound investment plan to expand two of its terminals ahead of submitting proposals for a third runway to the government this summer. On Wednesday, chief executive Thomas Woldbye will unveil funding to increase capacity at terminals two and five,

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 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

Chancellor Rachel Reeves used a speech on growth last month to give her support for a third runway at Heathrow.