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post #37 of (permalink) Old 29th June 2011
Technical Supremo

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Re: Motorway Madness - A Rant

Controling speed on the motorway isn't just about slow drivers it about traffic flow. Ideally you need to look at the bigger picture not just what seems to be happening a few miles in front.

One local traffic expert on my local TV described very well indeed the simple principles of controlling traffic.

He said think of traffic as water flowing through a pipe - at the end of the day a good steady flow will give a better overall supply than a pipe constantly being turned off and on. And if the container (towns, traffic lights, slip roads, etc,) into which the water is flowing can't handle it then the tap has to be turned off or reduced. And to reduce the flow it may be necessary to close the supply many, many miles away from the problem.
He went on to say imagine pouring a bottle of beer into a glass - if done too quickly guess what happens.

This example just doesn't apply to our roads it applies to most other forms of transport.
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