Route 77 is a state highway in the southern part of the U.S. state of New Jersey. It runs 22.55 mi (36.29 km) from an intersection with Route 49 in Bridgeton in Cumberland County north to a junction with Route 45 in Mullica Hill in Gloucester County. It is a mostly two-lane, undivided road traversing through farmland in Cumberland, Salem, and Gloucester Counties. Along the way, Route 77 intersects Route 56 in Upper Deerfield Township and U.S. Route 40 in Upper Pittsgrove Township.

Route 49 is a state highway in the southern part of the U.S. state of New Jersey. It runs 53.80 mi (86.58 km) from an interchange with the New Jersey Turnpike, Interstate 295 (I-295), and U.S. Route 40 (US 40) in Deepwater, Salem County, southeast to Route 50 and County Route 557 in Tuckahoe, Cape May County. The route serves Salem, Cumberland, Atlantic, and Cape May counties, passing through rural areas and the communities of Salem, Bridgeton, and Millville along the way. It is a two-lane, undivided road for most of its length.