Route 27 is a state highway in New Jersey, United States. It runs 38.53 mi (62.01 km) from U.S. Route 206 (US 206) in Princeton, Mercer County northeast to an interchange with Route 21 and Broad Street in Newark, Essex County. The route passes through many communities along the way, including New Brunswick, Highland Park, Edison, Metuchen, Rahway, and Elizabeth. Route 27 is a two- to four-lane undivided highway for most of its length, passing through a variety of urban and suburban environments. It intersects many roads along the way, including Route 18 in New Brunswick, Interstate 287 (I-287) in Edison, the Garden State Parkway in Woodbridge Township, Route 35 in Rahway, Route 28 in Elizabeth, and U.S. Route 22 in Newark. Route 27 crosses the Raritan River on the Albany Street Bridge, which connects Highland Park on the east with New Brunswick on the west.
Route 34 is a state highway in the central part of the U.S. state of New Jersey. The route runs 26.79 mi (43.11 km) from an intersection with Route 35 and Route 70 in Wall Township, Monmouth County, north to an intersection with U.S. Route 9 in Old Bridge Township, Middlesex County. The route is a four-lane divided highway between its southern terminus and the north end of the Route 33 concurrency in Howell Township; along this stretch, the route intersects the Garden State Parkway and Interstate 195 (I-195)/Route 138 within a short distance of each other. North of Route 33, Route 34 is an undivided two- to four-lane road that intersects Route 18 in Colts Neck Township and Route 79 in Matawan. Route 34 passes through mostly suburban areas along its route.
Route 29 is a state highway in the U.S. state of New Jersey. Signed north-south, it runs 34.76 mi (55.94 km) from an interchange with Interstate 295 (I-295) in Hamilton Township in Mercer County, where the road continues east as I-195, northwest to Route 12 in Frenchtown, Hunterdon County. Between the southern terminus and I-295 in Ewing Township, the route is a mix of freeway and expressway that runs along the Delaware River through Trenton. This section includes a truck-restricted tunnel that was built along the river near historic houses and Riverview Cemetery. North of I-295, Route 29 turns into a scenic and mostly two-lane highway. North of the South Trenton Tunnel, it is designated the Delaware River Scenic Byway, a New Jersey Scenic Byway and National Scenic Byway, that follows the Delaware River in mostly rural sections of Mercer County and Hunterdon County. The obsolete Delaware & Raritan Canal usually stands between the river and the highway. Most sections of this portion of Route 29 are completely shaded due to the tree canopy. Route 29 also has a spur, Route 129, which connects Route 29 to U.S. Route 1 (US 1) in Trenton.
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 interchange with U.S. Route 1 (US 1) 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.
Route 156 is a 1.28-mile (2.06 km) long state highway in New Jersey, United States. It is a short connector in Yardville, a census-designated place which is part of Hamilton Township, Mercer County. It is an old two-lane alignment of U.S. Route 130 that was bypassed by a new multi-lane highway a short distance to the east in the 1950s, and designated just before the 1953 renumbering of state highways. The route intersects Route 130 at both termini; it carries local traffic to and from US 130 southbound through Yardville. The route has remained mainly intact since 1953.
U.S. Route 206 is a 130.23-mile-long (209.58 km) north–south United States highway in New Jersey and Pennsylvania, United States. Only about a half a mile of its length is in Pennsylvania; the Milford–Montague Toll Bridge carries it over the Delaware River into New Jersey, where it connects to the remainder of the route. Its southern terminus is at an intersection with US 30 and Route 54 in Hammonton. The highway's northern terminus is at an intersection with US 209 near Milford, Pennsylvania; some sources and signs show an overlap with US 209 to end at its parent route US 6. For much of its length, US 206 is a rural two-lane undivided road that passes through the Pine Barrens, agricultural areas, and the Appalachian Mountains of northwestern New Jersey, with some urban and suburban areas. The route connects several cities and towns, including Bordentown, Trenton, Princeton, Somerville, Roxbury, Netcong, and Newton. The road is known as the Disabled American Veterans Highway for much of its length.
Interstate 295 (I-295) in Delaware, New Jersey, and Pennsylvania is an auxiliary Interstate Highway, designated as a bypass around Philadelphia, Pennsylvania, and a partial beltway of Trenton, New Jersey.
U.S. Route 1 Business is a four-lane surface road that provides an alternate route to the Trenton Freeway (US 1) northeast of Trenton in Mercer County, New Jersey. The route is 2.73 miles (4.39 km) long and runs between US 1 in Trenton and Lawrence Township. On the border of Trenton and Lawrence Township, US 1 Bus. intersects the northbound direction of US 206 at the Brunswick Circle. The route was once part of a longer U.S. Route 1 Alternate, which continued southwest through downtown Trenton and into Morrisville, Pennsylvania.
County Route 579 is a county highway in the U.S. state of New Jersey. The highway extends 37.24 miles (59.93 km) from John Fitch Parkway in Trenton to Route 173 in Greenwich Township.
County Route 571 is a county highway in the U.S. state of New Jersey. The highway extends 43.96 miles (70.75 km) from Route 37 in Toms River Township to Route 27 in Princeton. Though it is designated a north–south county route by the New Jersey Department of Transportation (NJDOT), it is signed both as north–south and east–west inconsistently.
County Route 569 is a county highway in the U.S. state of New Jersey. The highway extends 8.53 miles (13.73 km) from Quakerbridge Road in Lawrence Township to Broad Street in Hopewell Borough.
County Route 551 is a county highway in the U.S. state of New Jersey. The highway extends 34.57 miles (55.64 km) from Pennsville-Salem Road in Pennsville Township to Penn Street in Camden.
County Route 549 is a county highway in the U.S. state of New Jersey. The highway extends 17.82 miles (28.68 km) from Main Street at County Route 527 in Toms River to County Route 547 at Monmouth CR 21 in Howell. The highway has the distinction of being the only 500-series route left with two separate spur routes.
County Route 546 is a county highway in the U.S. state of New Jersey. The highway begins at Route 29 within the Titusville, New Jersey section of Hopewell Township and extends 9.98 miles (16.06 km) to U.S. Route 1 (US 1) in Lawrence Township. The road runs entirely within Mercer County.
County Route 541 is a county highway in the U.S. state of New Jersey. The highway extends 23.84 miles (38.37 km) from U.S. Route 206 (US 206) in Shamong Township to US 130 and CR 543 in Burlington.
County Route 533 is a county highway in the U.S. state of New Jersey. The highway extends 32.78 miles (52.75 km) from the White Horse Circle, in Hamilton Township to Middlesex CR 607 on the border of Bound Brook and Middlesex Borough. CR 533 shares a long concurrency with U.S. Route 206 through Princeton and Montgomery Township, while portions of the roadway in Somerset County are part of the Millstone River Valley Scenic Byway.
County Route 530 is a county highway in the U.S. state of New Jersey. The highway extends 31.21 miles from US 206 and Route 38 in Southampton Township to Water Street in Toms River Township.
County Route 526 is a county highway in the U.S. state of New Jersey. The highway extends 35.56 miles (57.23 km) from Princeton–Hightstown Road in West Windsor Township to Lanes Mill Road in Lakewood Township.
County Route 524 is a county highway in the U.S. state of New Jersey. The highway extends 39.90 miles (64.21 km) from the White Horse Circle in Hamilton Township to Route 71 in Spring Lake Heights.
County Route 511 is a county highway in the U.S. state of New Jersey. The highway extends 37.44 miles (60.25 km) from Columbia Avenue in Morris Township to the New York state line in West Milford where the road continues as New York State Route 210.
US 206 in Trenton 
CR 546 in Lawrence Township 
I-295 in Lawrence Township
CR 569 in Lawrence Township
CR 533 in Princeton 
Route 27 in Princeton
