This article is in a list format that may be better presented using prose.You can help by converting this article to prose, if appropriate. Editing help is available.(February 2014)
1924 – Original route established; originally routed from Franklin to 1-mile (1.6 km) west of Portsmouth (dually certified with State Route 104 from 1-mile (1.6 km) north of Coles Park to 1-mile (1.6 km) west of Portsmouth before 1926).
1926 – Extended to 2 miles (3.2 km) east of Middletown along the previous State Route 6; State Route 104 certification removed.