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GlossaryFire and EMS reporting

Vehicle fire

A vehicle fire identifies the property involved, not the cause. Learn how vehicle types, collisions, and multiple response records affect fire totals.

A vehicle fire is a fire involving a vehicle under the source's classification rules. The category can cover different kinds of transportation equipment, depending on the dataset. It identifies the property involved; it does not automatically establish a collision, a mechanical defect, or deliberate ignition as the cause.

Check which vehicles are included

A report titled “vehicle fires” may mean road vehicles only or a broader group. Historical NFIRS used several mobile-property categories and treated some property used as a fixed structure separately. The title of a chart alone may not reveal those boundaries. NFIRS Basic Module classification.

For a clear public summary, name the included group: passenger vehicles, road vehicles, or the agency's full vehicle-fire category. If the source combines subtypes, retain an explanation of the grouping rather than implying that every event involved an ordinary passenger car.

Example

Hypothetical: A department records a fire in a parked delivery van. There is no collision recorded. Two engines respond, and the completed report lists one vehicle-fire incident with separate estimated losses.

A summary can accurately describe one vehicle fire and two apparatus responses. It cannot describe a crash or an engine defect unless another field supports that claim. The vehicle's role as a delivery van also does not establish whether business interruption is included in the reported loss.

Common confusion

A vehicle involved in a collision has not necessarily caught fire. Conversely, a vehicle fire can occur without a collision. Tables that combine traffic and fire activity need to explain how overlapping records are counted.

The location of a vehicle does not, by itself, determine the fire category. A vehicle on a bridge or beside a building raises questions about what actually burned and how the source handles related property. Avoid classifying an event from its address alone.

Comparing totals over time

Keep the same vehicle types, reporting area, and counting unit in each period. If one release counts incidents and another counts vehicles damaged, a single event involving several vehicles can make the figures differ.

Cause and severity need their own fields. A count can show how often recorded vehicle-fire incidents occurred, while loss estimates and casualty information describe other consequences. Unavailable cause information should stay unknown rather than being assigned to a familiar explanation.

Sources