Not only that, but emergency vehicle will be able preempt roads directly, rather than relying on the 18 year old kid with headphones on to a) recognize the ligh

Not only that, but emergency vehicle will be able preempt roads directly, rather than relying on the 18 year old kid with headphones on to a) recognize the lights and sirens, b) care, and c) do something not stupid (like pull into the way of the fire truck...)