Width of district.

Any such secondary road assessment district shall be not more than one-half mile wide on each side of the road or roads to be improved by said district. [C24, 27, 31, 35, 39, § 4746; C46, §311.3; C50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §311.2 ]