Traffic and Environmental Zone

[5] Roads entering the City were narrowed and small chicanes were created to force drivers to slow down and be recorded by CCTV cameras.

In 1996, the IRA attacked another area of central London by exploding a bomb at the Docklands, resulting in two deaths, 39 other casualties and £85 million worth of damage.

Re-introduction of staffed checkpoints, restricted roads, as well as rising street bollards and crash-proof barricades were proposed in December 2016 to combat "hostile vehicle-borne security threat[s]".

According to a 2011 Freedom of Information Act request, the total number of local government operated CCTV cameras in the City of London was 649.

[15] Based on a small sample in Putney High Street, McCahill and Norris extrapolate the number of surveillance cameras in Greater London to be 500,000 and in the United Kingdom to be 4.2 million.

More reliable estimates put the total number of private and local government surveillance cameras in the whole of the United Kingdom at around 1.85 million in 2011.

A checkpoint on Moorgate in July 2014, when it was not staffed. The road narrowing and slowing of traffic are visible.