City of London and Westminster - From 06:30 until 18:30 on Saturday, buses will be diverted and will not serve the City and Westminster areas due to the Lord Mayor’s Show. Various road closures will be in place from 07:00 until 18:00. Blackfriars Bridge will be closed from 07:00 and Waterloo Bridge will be closed from 16:00. For more information and a full list of road closures, please visit tfl.gov.uk/weekend-travel
Hammersmith - From 20:00 on Saturday until 08:00 on Sunday, the A4 will be closed eastbound between Hammersmith and North End Road. A signed diversion route will be in place via Hammersmith Road and Earls Court Road. The A4 westbound will be open as usual.
Southwest London - From 07:30 until 12:00 on Sunday, roads in and around the Chelsea and Fulham areas will be closed, including Fulham Road and Walham Grove. This is due to an event. For more information, please visit tfl.gov.uk/weekend-travel
Central London - From 08:00 until 23:00 on Sunday, Regent Street will be closed in both directions, between Mortimer Street and Piccadilly Circus. New Burlington Street will also be closed from 06:00. This is due to an event.