Data Elements
Data elements fall into three general categories: people,
vehicles, and roadway. These categories may be broken down into
subgroups and assigned relevant characteristics, as shown in the
following table.
Data Category | Subgroups | Characteristics |
|---|---|---|
People | drivers, occupants, pedestrians | age, gender, blood alcohol level,
driver’s education, experience and training |
Vehicles | passenger cars, trucks, buses, motorcycles,
bicycles, etc. | sedans, convertibles, anti-lock
brakes |
Roadway | interstate, primary, secondary | political subdivisions, light
conditions, surface conditions |