MMUCC - Data Elements

Crash Data Guideline for Improved Traffic Safety

MODEL MINIMUM UNIFORM CRASH CRITERIA

Data Elements

From the Browse menu on the top, you can click on the desired data element group to view the element name, definition and related discussion.

Data Elements Format

The data elements are classified into four major groups:

Each group may include three different types of data elements:

Collected: data collected by police at the scene and recorded directly onto the crash report.
Derived: data generated from computerized crash data.
Linked: data generated when crash data file is linked to injury, driver history, vehicle registration, roadway inventory or other data files. The format for each linked data element includes the source of the data to be linked.

Each group of data elements has a unique identifier:

Each type of data element has a unique identifier:

Crash, Vehicle and Person data elements that are derived have the letter "D" added after the group identifier (e.g., CD, VD, PD).
Vehicle, Person and Roadway data elements that are linked have the letter "L" added after the group identifier (e.g., VL, PL, RL).