A pilot scheme where motorway speed limits are reduced to 60mph in an effort to tackle pollution should be ended, campaigners have said, unless evidence can be produced that it’s making a positive difference.

Stretches of the M1, M6, M5, M4 and M602 are currently subject to a speed limit 10mph lower than is standard for motorways as part of a trial by National Highways to study the effect of a 60mph speed limit on nitrous dioxide emissions.


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UK Fails To Prove Lowering Highway Speed Limit Had Any Affect On Pollution

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