The PBRs will patrol in pairs in round-the-clock, eight-hour shifts.
From the time.com
They man the community's eight carefully guarded gates and patrol its streets round the clock in radio cars.
From the time.com
In Fullerton, police are continuing their round-the-clock patrol of parks and schools after copper-wire thefts were reported.
From the ocregister.com
From two trailers, staffed round the clock, agents were within striking distance of the border, instead of an hour's drive from the nearest patrol station.