Where will Transport for London impose new 20mph speed limits?

The lower limits are expected to be launched in Greenwich, Lewisham, Southwark, Wandsworth, Merton, Bromley, Lambeth and Kensington and Chelsea from September.
The lower limits are expected to be launched in Greenwich, Lewisham, Southwark, Wandsworth, Merton, Bromley, Lambeth and Kensington and Chelsea from September.