The International Association of Chiefs of Police recognizes that fully 25% of all state and provincial trooper deaths are due to being struck by a car while outside of their vehicle (usually on routine stops):

Officers being hit and killed while on the side of the roadperforming their duties is a problem. According to LEOKA data, an average of oneofficer a month was struck and killed for the 17‐year period between 1993 and 2009.Forty‐nine states now have move over laws that attempt to address this issue byrequiring motorists to change lanes or slow down when approaching an emergencyvehicle.13





Sure, they see 'em, but that doesn't mean they're not going to hit 'em.