Lewisham 20 MPH Limit Failing

The London Borough of Lewisham introduced a borough-wide 20 mph speed limit in 2016 – apart from a few major roads. But not surprisingly it is failing to change drivers’ behaviour who continue to use their intelligence to drive at what they consider an appropriate and safe speed. As a Council report says “As the general look and feel of the roads has not changed many drivers continue to drive at the old 30 mph limit”.

The Council report also says that speed “reductions have been relatively small” which is similar to other signed-only schemes. So they now want to spend £1.2 million on a number of measures to enforce the 20 limits. That may include speed humps, chicanes, build-outs and speed cameras, although they have not firmed up exactly what measures would be used and on which roads. Roads likely to be targeted are Downham Way, Brockley Road and Southend Lane.

They intend to progress those proposals despite the fact that they only have preliminary figures for speed reduction and no data at all on the resulting impact on personal injury accidents. Nor are they bothering to wait for a Government commissioned study of the effectiveness of 20 mph speed limit zones.

Neither is there any cost/benefit justification for these proposals. Slowing traffic costs money in the wasted time of vehicle drivers/passengers. It also creates more air pollution because vehicles driven at slower speeds cause more.

Lewisham are clearly one of those boroughs dominated by anti-car policies and without any consideration of what is rational or sensible. You can read the Council’s report here: http://councilmeetings.lewisham.gov.uk/documents/s59363/Lewisham%20borough%20wide%2020mph%20speed%20limit%20update.pdf

Roger Lawson

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