RCW 47.40.010Improvement and beautification a highway purpose.The planting and cultivating of any shrubs, trees, hedges or other domestic or native ornamental growth, the improvement of roadside facilities and view points, and the correction of unsightly conditions, upon the right-of-way of any state highway is hereby declared to be a proper state highway purpose.[ 1961 c 13 s 47.40.010. Prior: 1937 c 53 s 88; RRS s 6400-88.]
Washington Legal Code