Index of special provision authorizations to use motor vehicles, motorized equipment, or mechanical transport is an optional measure under the authorized motor use indicator. The authorized motor use indicator is under the mechanization monitoring question for undeveloped quality.

This measure is reported as a single value for report year.

The table below shows reported provisional motor vehicle use trends at each USFS wilderness using this measure. As ever, selected measures have filled grey circle, and colors indicate an upward, stable, or downward reported trend. Unselected measures can also be recorded, and are shown as hollow circles in the appropriate color.