The department of transportation shall:
I. Review and update its criteria for roadway lighting to ensure that its current standards and procedures conform to commonly accepted best practices.
II. Explore how energy and maintenance costs can be reduced by replacing existing luminaries with lower-wattage, fully shielded luminaries or by eliminating roadway lighting altogether where appropriate.
III. Beginning November 1, 2009 and each November 1 thereafter, submit an annual report of its activities and findings to the department of energy.