GlossaryCalls residents encounter
Traffic stop
A traffic stop records a police contact with a vehicle. Learn why stop totals differ from tickets, searches, arrests, and the number of distinct drivers.
A traffic stop is a law-enforcement contact in which a vehicle is stopped for an investigative or enforcement purpose. A stop record can identify the stated reason, location, duration, actions, and outcome. The stop itself does not establish a conviction, and its recorded reason should be distinguished from information discovered during the contact.
A contact can have several outcomes
An officer can issue a warning, citation, or other notice during a stop. A record can also show a search or arrest as a separate action. These fields describe different parts of the contact rather than mutually interchangeable labels.
The North Carolina Justice Data Portal lists reason-for-stop and enforcement-action categories separately. Its current documentation also identifies the historical period covered after collection ceased in 2026. This is a reminder to check dataset coverage rather than assume every state has an ongoing, equivalent collection. North Carolina portal documentation
A dispatch record may identify an officer-initiated stop while a separate stop dataset contains more detailed fields. The presence of one record does not guarantee a matching public row in the other release.
Example
Hypothetical example: An officer stops a vehicle for an observed equipment issue. The record shows one stop, one written warning about the equipment, and a citation alleging a separate registration violation. Two passengers are also present.
This is one vehicle stop in the example, not two stops because there were two outcomes or three stops because three people were in the vehicle. The citation does not show the eventual court result. A person-level dataset could nevertheless have a different row structure, which must be checked before counting.
Common confusion
A citation count measures notices or alleged violations, depending on the source. A stop count measures contacts. A search and an arrest are separate actions that do not follow automatically from a stop.
A traffic collision records a crash, not an enforcement contact. A stop can relate to a collision, but traffic-stop and crash totals cannot be substituted for each other. Nor does an officer-initiated stop necessarily begin with a 911 call.
Reading comparisons
Check which stops must be recorded, whether warnings and no-action contacts are included, and whether the unit is a vehicle, driver, or person. Demographic fields may describe an officer's perception rather than self-identification. A rate needs an appropriate exposure or population denominator; resident population alone may not represent everyone driving through a roadway or jurisdiction.
Related terms
Sources
- North Carolina DPS — North Carolina Justice Data Portal, traffic-stop terms and source coverage: reasons and outcomes, with a historical collection boundary.
- DC Metropolitan Police — Stop Data metadata: separate stop, ticket, warning, and voided-ticket information in an agency data model.