This visualization only works in modern browsers. Upgrade yours and enjoy.
The TSRGD sign rules will shortly be changing. They're expected to allow far more flexibility for councils to add "Except Cycles" signs on their roads. Here's where to add them.
Wards for all 32+1 London boroughs. From here.
Boundaries for all 32+1 London boroughs. From here.
Contains ONS & OS data © Crown copyright and database right (2015)