Tailgating won’t get you through that intersection any faster - there’s a time lag before you can safely accelerate your car in a solid jam, offsetting any advantage of closeness, researchers reported last week in the New Journal of Physics.

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Tailgating won’t get you through that intersection any faster - there’s a time lag before you can safely accelerate your car in a solid jam, offsetting any advantage of closeness, researchers reported last week in the New Journal of Physics.