1. Sixty percent for deposit in the primary road fund to be used exclusively for highway maintenance and construction, including
purchase of right-of-way but not including project planning and design. The following projects are eligible for funding under
this subsection and shall have funding priority in the order listed: a. Completion of projects on highways designated as access Iowa highways pursuant to 2005 Iowa Acts, ch. 178, §41.*
b. Projects on highways in the commercial and industrial highway network that are included in the department’s five-year plan,
or in the long-range plan, for the primary road system. Priority shall be given to projects in areas of the state that have
existing biodiesel, ethanol, or other biorefinery plants.
c. Projects on interstate highways.