Lower limits a good option

Sir, – I write in reference to a letter from a Mr Ken Greenaway of Cupar (Letters, September 26).

Mr Greenaway states that a car travelling at 20mph will mean “every journey will take 50% longer and emissions will be 50% higher”.

This is quite simply incorrect.

There is ample evidence that shows journey times are not significantly affected by lower speed limits.

Bristol’s 20mph progress report found that: “There are no differences (to journey times) in the peak periods and only approximately a 30 second difference in offpeak periods.”

As for the impact on air pollution, the National Institute for Health and Care Excellence recently recommended 20mph speed limits as an option to curb air pollution.

Reports from Transport for London and academic Dr Sarah Jones both state that 20mph speed limits will reduce air pollution and save lives. If Mr Greenaway or any other readers would like me to send these reports their way, please do get in touch.

Mark Ruskell MSP. MG 17, Scottish Parliament.

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