Route 33 is a state highway in the central part of the US state of New Jersey. The highway extends 42.03 miles (67.64 km), from an intersection with U.S. Route 1 (US 1) and Route 129 in Trenton, Mercer County, east to an intersection with Route 71 in Neptune, Monmouth County. Route 33 is a major route through central New Jersey, as it runs from the greater state capital area in the Delaware Valley region, through a mixture of farmland, housing, and commercial developments in the lower Raritan Valley region, en route to the greater Asbury Park area on the Jersey Shore. The route traverses through historic towns such as Hightstown, Monroe, Manalapan, Freehold, and Tinton Falls. There are several intersections on Route 33 with future developments.