NAMPA - The Idaho Transportation Department report on the motorcycle crash that severely injured Nampa's fire chief in September provides new details about the wreck.

The report, obtained Friday by KTVB, says Karl Malott was speeding too fast for conditions, made an improper lane change and was inatttentive in the crash that occurred September 24.

The EMS provider didn't administer drug or alcohol tests, according to the report.

RELATED: Nampa fire chief making progress after wreck, remains hospitalized

Malott's motorcycle slammed into the back of a car on I-84 near Sand Hollow.

He was not wearing a helmet, and suffered a severe head injury.

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The Nampa Fire Department posted on Facebook this week that Malott is is making "steady progress" and undergoing intense physical therapy that is expected to last several more weeks.

He remains hospitalized at Saint Alphonsus Regional Medical Center.