Charlotte MacDonald
speaker
1,889 appearances
62 recordings
1 series
first heard Sep 2010
last heard Apr 2025
Charlotte MacDonald’s voice in public audio — every appearance, attributed to the second.
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Appearances
On 20 mile per hour roads across the entire country, there were six deaths in 2010 and seven deaths in 2011.
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Exactly.
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If you look at injuries as well as deaths on 20 mile per hour roads, the total rose 24% to about 2,250.
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Yes, exactly.
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In an ideal world, we'd identify a bunch of roads as candidates for 20mph zoning and then randomise, putting up signs in some and leaving others the way they were, to find out for sure whether the 20mph signs made a difference.
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Doesn't the Department for Transport know?
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Not a clue.
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But we do know that the government has been making it easier over the last few years for local councils to change speed limits on their roads.
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And a number of councils have done so.
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One of those is Bristol.
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In 2009, the city had fewer than 50 roads with a speed limit of 20 mph and only 11 casualties reported on them that year.
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But during 2010, the council launched two pilots, one in May and one in October, lowering the speed limit to 20mph for around 500 roads.
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Yes, in 2010 there were 55 road casualties recorded on 20mph roads, and in 2011 there was a huge increase to 145.
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Yes.
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OK, so you did that mental arithmetic, but there is a lot of things about those roads that you don't know how long they are, how busy they are.
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Well, I spoke to Dr Angela Raffle, consultant in public health in Bristol.
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She helped Bristol Council launch its pilot.
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Now that research also found that there was a reduction in road casualties in those zones in London.
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And we also know that faster cars do a lot more damage and take a lot longer to stop.
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We created a table of Olympic medal projections based on how many medals we would expect each country to win based only on its population and GDP per capita.
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Showing 1261–1280 of 1,889 · page 64 of 95
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