No permits shall hereafter be issued for the installation of signs and markings other than traffic control signs and state historical markers on state highway rights of way. Traffic control signs shall be consistent with the manual on Uniform Traffic Control Devices for Streets and Highways, as modified and adopted by the department of transportation.
Wash. Admin. Code § 468-30-100
Statutory Authority: 1977 ex.s. c 151. 79-01-033 (DOT Order 10 and Comm. Order 1, Resolution No. 13), § 468-30-100, filed 12/20/78.