Wikipedia:WikiProject U.S. Roads/New Jersey/Selected article/August 2013

Route 12 is a state highway located in Hunterdon County, New Jersey, United States. It runs 11.69 mi from the Uhlerstown-Frenchtown Bridge at the Delaware River border with Pennsylvania in Frenchtown east to an intersection with U.S. Route 202 and Route 31 at the Flemington Circle in Flemington. The route is mostly a two-lane undivided road that passes through rural areas of woodland and farmland. It intersects Route 29 and County Route 513 in Frenchtown, County Route 519 in Kingwood Township, County Route 579 on the border of Delaware Township and Raritan Township, and County Route 523 in Raritan Township.

The route was designated in 1927 to run from Frenchtown to Raritan, Somerset County, running along its current alignment to Flemington and following present-day U.S. Route 202 between Flemington and Raritan. By the 1940s, U.S. Route 202 and Route 29 replaced Route 12 east of Flemington, and the route was officially designated to end in Flemington in 1953. There are currently plans to modify or eliminate three traffic circles along the route in Flemington to ease traffic congestion.