The vertical rise of an inclined autowalk is the difference in height between the step or belt level at its lowest point and the step or belt level at its highest point. In the vast majority of cases these two points occur at the extreme ends of an autowalk, but exceptions may occur where the highest and/or lowest points occur in the midst of the autowalk's course.

This measurement is recorded in units of length, and differs from the angle of an autowalk, which measured in degrees. This field may be applied to a structure or to another defined area only if all of its inclined autowalks have the same vertical rise.

This is the value for a single installation, the largest in the object, and not a figure for the object as a whole. The others in the same building may be far smaller, so the value describes one unit and never an average.

Where the largest is replaced or removed, the value belongs to the next largest rather than staying with the one that is gone.