No person, firm, or corporation may be permitted to build or construct on state highway rights-of-way any approach road or any other facility, thing, or appurtenance not heretofore permitted by law, without first obtaining written permission from the department.
[ 1984 c 7 § 185; 1961 c 13 § 47.32.150. Prior: 1947 c 201 § 1; Rem. Supp. 1947 § 6402-50.]