 In the 1953 New Jersey state highway renumbering, Route 34 was extended north along the alignment of Route 4A to end at US 9 in Cheesequake while the southern terminus was cut back to the Brielle Circle intersection with Route 35 and Route 70, the latter having replaced Route 34 south of this point.By 1969, Route 34 was widened into a divided highway as far north as Route 33.The Brielle Circle at the southern terminus of the route was converted into at-grade intersections with traffic lights in 2001.