THE CASE AGAINST: Blunt tool that will slow London down

IN RESIDENTIAL areas, near schools, and in some central locations popular with pedestrians, 20mph limits make sense and have a clear role in eliminating deaths and serious injuries. However, radically reducing speed limits on major arterial roads is wholly inappropriate.

- Steve McNamara

We've seen the negative impact this has already had on Park Lane, the Westway, and many other roads, some of which changed from 40 to 20mph zones. These wide, multi-lane highways were designed to carry traffic, at volume, in and out of our great city. Vehicles now crawl along, with congestion building up more than ever before. This leaves traffic idling and undermines efforts to reduce harmful emissions.