Analysis of information sources in references of the Wikipedia article "Washington State Route 526" in English language version.
Secondary State Highway No. 1I; beginning at Everett on Primary State Highway No. 1, thence in a westerly direction by the most feasible route to Mukilteo, thence in a southeasterly direction by the most feasible route to a junction with Primary State Highway No. 1 in the vicinity south of Everett.
Sec. 42. RCW 47.17.752 and 1971 ex.s. c 73 s 19 are each amended to read as follows: A state highway to be known as state route number 529 is established as follows: Beginning at a junction with state route number 5 in Everett, thence westerly and northerly through Everett to a junction with state route number 528 in Marysville.