Wash. Rev. Code § 47.17.280
A state highway to be known as state route number 142 is established as follows: Beginning at a junction with state route number 14 in the vicinity of Lyle, thence northeasterly by way of Klickitat to a junction with state route number 97 in the vicinity of Goldendale.
[ 1970 ex.s. c 51 s 57.]