The state legislature created SR-142 in 1933, connecting SR-69 (now SR-30) at Petersboro with Newton and Smithfield.

[2] SR-142 was moved to the present route to Clarkston in 1941, with the old alignment through downtown Newton to Smithfield becoming SR-218.

[3] State Route 164 was also defined in 1933, running south from Petersboro to US-91 in Wellsville.

[4] Two years later, State Route 192 was created, running north from SR-142 (now SR-218) east of Newton to SR-61 in Cornish.

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