Route 68 is a state highway located in Burlington County in the U.S. state of New Jersey, serving as the main connector between the New Jersey Turnpike and the Fort Dix entity of Joint Base McGuire–Dix–Lakehurst (JB MDL). It runs from County Route 616 (CR 616) inside Fort Dix to U.S. Route 206 (US 206) in Mansfield Township, south of the New Jersey Turnpike; a total route length of . The route passes through Wrightstown and Springfield Township as a two-lane undivided road, crossing CR 537. It continues through Mansfield Township as a four-lane divided highway, intersecting with CR 543. Outside of JB MDL, Route 68 passes through mostly agricultural and residential areas.