Tagpolice cars

pavement ripper

pavement ripper  n.— «“I remember driving 1977 and 1978 police cars, and we had a couple of old 1978 Plymouths,” said Michigan State Police F/Lt. Patrick McGreevy, who became a policeman in 1980. ” We used to refer to them as...

wash-out effect

wash-out effect  n.— «In the early 1970s, manufacturers introduced sirens with different patterns and frequencies, to address a growing problem: Officers in different police cars using the same frequency often could not hear each other...