Instructions:

Indicate trailer length of the commercial vehicle from the list provided, if applicable.

Definition:

The length of the trailer for trucks more than 10,000 lbs. Gross Vehicle Weight Rating (GVWR).

Rationale:

This information is important for identifying trailer models for use in evaluation, research, and crash data analysis.

Code	Attribute	Definition	Example
1	28 Feet	Indicates a trailer 28 feet long.
2	45 Feet	Indicates a trailer 45 feet long.
3	48 Feet	Indicates a trailer 48 feet long.
4	53 Feet	Indicates a trailer 53 feet long.
97	Other	This attribute would be used for a variable that is not addressed by the previous attribute options.  If this attribute is used, an explanation in the narrative is recommended.