In article ,
Harry Bloomfield wrote:
They are bring in an overtaking ban, on the M11 up hill stretches.
Surely that is the wrong?

An heavily laden lorry versus a lightly loaded one, will make for a
quicker overtake on an uphill, because the heavily laden one will slow
down. On the downhill parts, the advantage is gone and all will be able
to do a similar speed.

You might think that but the results of the experiments carried out on the
M11 under an experimental traffic order for 18 months starting 26March
2010 showed that by restricting lorries to the inside lane there was an
increase in traffic flow, less congestion and fewere accidents due to
frustrated car drivers. What I don't understand is why they waited 5 years
before using this knowledge!

Alan

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Using an ARMX6