CS9 Will Reduce Traffic Speed to 4 MPH on Hammersmith Road

Cycle Superhighway 9 (CS9 or CW9 as it now is) will reduce traffic speed on the Hammersmith Road to 4 mph (6 km/h) according to a report on the environmental impact of the scheme issued by TfL. What the report says is that “The change in road layout, removal of a bus lane and decrease in predicted average speeds from 23 km/h to 6 km/h at R57 (Hammersmith Road) offsets the predicted reduction in traffic at this location”. It also suggests there is no significant benefit in air pollution.

This is yet another example of how damaging cycle schemes are to the road network and the enormous waste of money that is being spent on them.

Roger Lawson

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2 thoughts on “CS9 Will Reduce Traffic Speed to 4 MPH on Hammersmith Road

  1. This looks like a mistake in the AECOM report – best contact them and ask.

    The location referenced is opposite Olympia and the TfL figures actually show a decrease in most predicted journey times along the route to Olympia.
    AM peak eastbound: 5-10 minute decrease in journey time
    AM peak westbound: 0-5 minute increase in journey time
    PM peak eastbound: 10-15 minute decrease in journey time
    PM peak westbound: 5-10 minute decrease in journey time

  2. I am not convinced this is a mistake having looked back at the original consultation report (see here: https://consultations.tfl.gov.uk/roads/fb586463/ ) where predicted journey times are given, but there seems to be a suggestion that these were based on assumptions about significant traffic diversion to other routes. The latest report seems to assume otherwise. Even then some route times are substantially higher and your claim for a decrease in most predicted journey times is surely wrong. It’s always good to have cyclists reading this blog but I think it’s down to you to provide any contrary evidence.

    Cycle Superhighways have caused very substantial increases in journey times for traffic on other routes (eg. CS3 along the Embankment), and at some times stationary traffic so I doubt CS9 will be much different.

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