The cycle event Ride London is taking place on the 28th and 29th of July.
There will be multiple road closures in place for this event on both days.
The link below contains full details of all road closures in and around London, including estimated timings.
In addition to the road closures, many areas of London will be busy with tens of thousands of spectators in attendance.
https://www.prudentialridelondon.co.uk/info-hub/road-closures/