The provisions of this title shall be construed in pari materia even though as a matter of prior legislative history they were not originally enacted in the same statute. The provisions of this title shall also be construed in pari materia with the provisions of Title 47 RCW, and with other laws relating to highways, roads, streets, bridges, ferries and vehicles. This section shall not operate retroactively.
[ 1961 c 12 § 46.98.020.]