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What is a platoon in policing?
A platoon — also called a squad, a shift, a watch or a relief — is the group of officers who work the same rotation together. Which platoon you are on decides which days you work and who you work them with.
The words all mean much the same thing
Platoon is common in fire and in larger police services. Squad and shift are the everyday terms in most American departments. Watch and relief turn up in agencies with a military or naval lineage. They all describe the same thing: a crew on a shared rotation.
Why the number matters
How many platoons an agency runs decides how much coverage each one carries. Three platoons on 24-hour tours average fifty-six hours a week; four platoons on twelve-hour shifts average forty-two. The rotation follows from the number, not the other way round.
Working out which one you are on
Agencies label them A, B, C and D, or by colour, or by number. Whatever the label, what matters to your calendar is the pattern that platoon runs and the day its cycle starts — those two things are enough to fill in the rest of the year.
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Where it turns up
Every rotation, drawn day by day · DuPont, run by four crews · Three platoons or four?
Platoons in Canadian fire and policing
This is one of the few scheduling words that is more formal in Canada than in the United States. In Ontario the platoon system is set out in fire legislation, not just in a roster — agreements refer to a two-platoon or four-platoon system by name under the Fire Protection and Prevention Act.
The four-platoon system is what produces the Ontario fire schedule, and the agreements write it out literally: two consecutive ten-hour day shifts commencing at 08:00, immediately followed by twenty-four hours off duty, immediately followed by two consecutive fourteen-hour night shifts commencing at 18:00, and then four days off. Four platoons rotating through that cycle keep a hall staffed around the clock at an average of 42 hours a week.
In policing the word is used more loosely, for the group you rotate with. What decides that group is the compressed work week article in your collective agreement — and it need not be uniform across a service. The Toronto Police Association agreement carries its shift schedules in the plural for exactly that reason.
Checked 7 August 2026. Quoted from the collective agreements, statutes and regulators named above. Agreements are renegotiated and employment standards are amended — confirm the current text before relying on a figure or a threshold.
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