Police in Cohasset, Massachusetts, are adding technology to their vehicle fleet that can alert drivers in the area that they are responding to an emergency.

Every second matters as soon as a 911 call comes in, Cohasset Police Officer Josh Kimball says — "it could be a matter of life or death."

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NBC10 Boston tagged along on to see firsthand how some drivers react to an approaching emergency vehicle.

Kimball pointed out "people not moving over, not yielding to emergency vehicles," as he tried to pass with his lights and sirens on.

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To help change that, the department has fitted its fleet with new technology. It "wi

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