walk the beat(that's what the basic foot patrol police do: Before I became a Professor of criminal justice, I walked the beat in Chinatown for three years.V)
radio motor patrol unit(The Highway Patrol vehicle fleet is primarily made up of Ford Crown Victoria Police Interceptors. There are also Dodge Chargers equipped with Hemi engines, Ford Explorers, Ford Taurus AWD Interceptors, and Chevrolet Tahoes in the vehicle fleet. They are not termed as "cruisers" but rather as Radio Motor Patrol units (RMPs Taras)