noun
traffic officer; traffic policeman
Refers to a police officer who directs traffic or enforces traffic laws. A specific role within the police force.
交差点で交通巡査が車を誘導していた。
A traffic officer was directing cars at the intersection.
警察官 is a general term for a police officer, while 交通巡査 specifically refers to an officer assigned to traffic duties.
Compound of 交通 (traffic) and 巡査 (police officer, patrolman).