The closures are needed to upgrade the line and prepare it for new trains.
A full closure of the line is planned from Friday, January 16, to Sunday, January 18.
From Friday, March 20, to Sunday, March 22, there will be no service from Cockfosters to Uxbridge.
On Friday, April 10, and Saturday, April 11, there will be no service between Hyde Park Corner and Acton Town until 7am on April 11.
A full line closure will happen on Friday, April 17.
From Saturday, April 18, to Sunday, April 19, the section between Hyde Park Corner and Acton Town will be closed again.
On Friday, April 24, there will be no service from King’s Cross St Pancras to Cockfosters.
During the weekend of April 25, there will be no trains from Wood Green to Cockfosters or from Rayners Lane to Uxbridge.
On the weekend from Friday, May 8, to Sunday, May 10, there will be no service between Cockfosters and Heathrow, including Night Tube services.
On Friday, May 22, Night Tube services will be suspended between Hyde Park Corner and Osterley.
From Saturday, May 23, to Monday, May 25, there will be no service between Hyde Park Corner and Northfields, as well as between Rayners Lane and Uxbridge.
Further closures will take place from Thursday, May 28, to Sunday, May 31, with no service between Acton Town and Heathrow and between Rayners Lane and Uxbridge.
From Friday, June 5, to Sunday, June 7, services will be suspended between Hammersmith and Heathrow and between Rayners Lane and Uxbridge.
On Friday, June 12, and Saturday, June 13, there will be no service between Hyde Park Corner and Acton Town until 2pm on June 13.
Further closures affecting travel to Heathrow and Uxbridge are scheduled through May and June, including disruption to the Night Tube on select Fridays.
TfL is advising all passengers to plan ahead and check for updates before travelling on the affected dates.
