County Route 527 (New Jersey)

The county route traverses through the northernmost stretches of the Pine Barrens in South Jersey, much of the Raritan Valley and Rahway Valley regions in Central Jersey (providing access to Monmouth Battlefield State Park, Rutgers-New Brunswick, Delaware and Raritan Canal State Park, Watchung Reservation, and South Mountain Reservation), and the First and Second Watchung Mountains in North Jersey.

[3][4][5][6] It passes through Ocean, Monmouth, Middlesex, Somerset, Union, and Essex counties on the eastern side of the state.

The route interchanges with the Garden State Parkway and Interstates 195, 95 (New Jersey Turnpike), 287, 78, and 280.

[1] Passing some local roads at the beginning, CR 527 crosses an interchange with the Garden State Parkway at .53 of a mile (0.85 km).

In Smithburg (the Freehold / Millstone / Manalapan township border), crossing the intersection of Monmouth Road (CR 524/CR 537).

At 31.5 miles (50.7 km), CR 527 enters Monroe Township which is in Middlesex County.

[1] CR 527 leaves to the left at Old Matawan Road, crosses the South River, and enters East Brunswick.

After the intersection of Main Street (CR 615), it continues on Old Bridge Turnpike bordering East Brunswick to the southwest and South River to the northeast.

Fully entering East Brunswick again, Route 18 and CR 527 merge for 2.4 miles (6 km).

At 52.1 miles (83.8 km), CR 527 crosses the town border and enters South Bound Brook.

[1] Now in Union County, CR 527 has two partial interchanges with I-78 as it skirts the Watchung Reservation.

[1] At 75 miles (121 km), CR 508 crosses at a traffic light as the route enters Livingston.

The highway extends about six miles (9.7 km) from Sweetmans Lane (County Routes 527 and 1) in Carrs Corner, on the border of Millstone and Manalapan townships, following Woodville Road, Iron Ore Road, High Bridge Road, and South Main Street to Park Avenue / South Main Street in Englishtown.