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bicycles vs. cars in the battle for our roads

volvo lifepaint

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is "research" bill a trojan horse for compulsory bike helmets?

compulsory helmet laws

mandatory cycle helmets

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transport research laboratory: mandatory helmet laws “prevent head and brain injuries”

mandatory helmet law

transport research laboratory

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jersey finally passes mandatory helmet law - for under 14 year olds

mandatory helmet law

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report: michigan study says motorcycle injuries worsen with weaker helmet laws

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