314.17 MOWING ON INTERSTATES AND PRIMARY HIGHWAYS. On or after January 1, 2003, the department shall not mow roadside vegetation on the rights-of-way or medians on any primary or interstate highway. Mowing shall be permitted as follows: 1. On rights-of-way which include drainage ditch areas. 2. On rights-of-way within three miles of the corporate limits of a city. 3. To promote native species of vegetation or other long- lived and adaptable vegetation. 4. For establishing control of damaging insect populations, noxious weeds, and invader plant species. 5. For visibility and safety reasons.

98 Acts, ch 1212, §7

314.17 MOWING ON INTERSTATES AND PRIMARY HIGHWAYS. On or after January 1, 2003, the department shall not mow roadside vegetation on the rights-of-way or medians on any primary or interstate highway. Mowing shall be permitted as follows: 1. On rights-of-way which include drainage ditch areas. 2. On rights-of-way within three miles of the corporate limits of a city. 3. To promote native species of vegetation or other long- lived and adaptable vegetation. 4. For establishing control of damaging insect populations, noxious weeds, and invader plant species. 5. For visibility and safety reasons.

98 Acts, ch 1212, §7