High Quality Content by WIKIPEDIA articles! Route 159 is a short, 1.36-mile (2.19 km) highway in the Montville and Fairfield areas. Route 159`s southern and northern termini are both interchanges with U.S. Route 46. There are county routes also present at both termini. Route 159 is called locally as Bloomfield Avenue, Oak Road, and Clinton Road during its length.