High Quality Content by WIKIPEDIA articles! Route 45 is a state highway in the southern part of New Jersey, United States. It runs 28.51 mi (45.88 km) from Route 49 in Salem, Salem County, northeast to U.S. Route 130 in Westville, Gloucester County. Much of the southern part of the route runs through rural areas of Salem and Gloucester counties, passing through the communities of Woodstown and Mullica Hill. North of Mullica Hill, Route 45 runs through suburban areas, with the portion of the route between the northern border of Mantua Township and the southern border of Woodbury a four-lane divided highway. The route intersects many highways, including U.S. Route 40 in Woodstown, Route 77 and U.S. Route 322 in Mullica Hill, and Interstate 295 in West Deptford Township.