Route 18 is a 42.8-mile-long (68.9 km) state highway in the US state of New Jersey. It begins at an intersection with Route 138 in Wall Township and ends at Interstate 287 (I-287) in Piscataway. Much of the route is a limited-access freeway, including the entire portion in Monmouth County and much of the northern end through New Brunswick and Piscataway. The remainder of the route is a multi-lane divided highway. Route 18 was designated in 1939 as a proposed freeway from Old Bridge to Eatontown. The section west of Old Bridge was formerly designated as part Route S28, a prefixed spur of State Highway Route 28 from Middlesex to Matawan. The designation, assigned in the 1927 renumbering, remained until a second renumbering in 1953. At that point, Route S28 was redesignated as Route 18, though the section from Old Bridge to Matawan was signed as TEMP 18, as this section would be decommissioned when the Route 18 freeway was built.
Manalapan Brook is a tributary of the South River in Monmouth and Middlesex counties, New Jersey in the United States.
Stony Brook, also known as Stoney Brook, is a tributary of the Millstone River in Hunterdon and Mercer counties, New Jersey, in the United States.
The Millstone River is a 38.6-mile-long (62.1 km) tributary of the Raritan River in central New Jersey in the United States.
Rocky Brook is a tributary of the Millstone River in Monmouth and Mercer counties, New Jersey in the United States.
Green Brook is a tributary of the Raritan River in central New Jersey in the United States.
Bound Brook is a tributary of the Raritan River in Middlesex County, New Jersey, in the United States.
Stony Brook is a tributary of Green Brook in central New Jersey in the United States.
County Route 529, abbreviated CR 529, is a county highway in the U.S. state of New Jersey. The highway extends 10.57 miles (17.01 km) from Woodbridge Avenue in Edison to Mountain Boulevard in Watchung.
Six Mile Run is a tributary of the Millstone River that drains a large area in central Franklin Township in Somerset County and as well western portions of North Brunswick and South Brunswick Townships in Middlesex County, New Jersey in the United States.
Oakeys Brook is a tributary of Lawrence Brook, a branch of the Raritan River in Middlesex County, New Jersey in the United States.
Ireland Brook is a tributary of Lawrence Brook in Middlesex County, New Jersey in the United States.
Cross Brook is a tributary of Six Mile Run in Somerset and Middlesex Counties, New Jersey in the United States.
Simonson Brook, also known as Sunonson Brook, is a tributary of the Millstone River in southern Franklin Park, Somerset County, New Jersey in the United States.
Shallow Brook is a tributary of Devils Brook in central New Jersey in the United States.
Cranbury Brook, also known as Cranberry Brook, is a tributary of the Millstone River in Middlesex and Monmouth Counties, New Jersey in the United States.
Baldwins Creek is a tributary of the Stony Brook in Mercer County, New Jersey in the United States.
Duck Pond Run is a tributary of the Stony Brook in Mercer County, New Jersey in the United States.
Bear Brook is a tributary of the Millstone River in central New Jersey in the United States.
The Old Stone Arch Bridge is the second-oldest extant bridge in the United States, after the Frankford Avenue Bridge over Pennypack Creek in North Philadelphia, Pennsylvania. It is the oldest bridge in New Jersey.
