From Newsgroup: uk.religion.christian
On 09/02/2026 17:22, John wrote:
Lowering traffic speeds reduces the dominance of motor vehicles and
makes our streets safer, more inviting, less polluted and more
attractive for walking, cycling and public transport trips. This is essential for ensuring we increase active and sustainable travel in London.
I simply do not believe that. When I am walking on the footpath, it
makes no difference to me whatsoever whether the passing cars are going
at 20, 30 or even 40 mph. Up here buses have had to reschedule trips
because they have been so slowed by the 20mph limit, so we now have
fewer buses spaced further apart; is that your idea of "more
attractive"? And having cars crawling past me because their speed nearly matches my own instead of zipping past and disappearing into the
distance is not my idea of increased safety!
An evaluation of 20mph zones in London, carried out by Imperial College, showed slowing traffic had no net negative impact on exhaust emissions. However, in 20mph zones vehicles moved more smoothly, with fewer accelerations and decelerations, than in 30mph zones. This smoother
driving style reduces particulate emissions from tyre and brake wear -
which still represents a significant cause of air pollution from zero- emission vehicles.
That sounds like total rubbish. I have to ride my brakes if I want to
keep below 20 when going down a hill and use more accelerator, despite
being in a lower gear, when going up the other side. As for a "smoother"
ride, that is total rubbish. Perhaps on some dead flat test track with
two other cars that might be true, but in real life driving one is
constantly playing with the gears (or the automatic system does it for
you!), accelerating and braking as the traffic lurches from one obstacle
to the next.
God bless,
Kendall K. Down
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