page_title: New Jersey Route 24
section_title: Route description
hierarchical_section_title: New Jersey Route 24 / Route description
caption_attribution_description: English: View east along New Jersey State Route 24 at the exit for Interstate 78 WEST (Clinton) in Springfield Township, Union County, New Jersey
context_page_description: Route 24 is a 10.42-mile state highway in New Jersey, United States, that begins at a junction with Interstate 287 in Hanover Township in Morris County, passes southeast through Essex County, and ends at a junction with I-78 in Springfield Township in Union County. The route is a four- to six-lane freeway for its entire length.
  The route was created in 1927 to run from Phillipsburg to Newark, replacing pre-1927 Route 12 from Phillipsburg to Penwell and Pre-1927 Route 5 from Morristown to Newark. The route was extended west to the new Easton–Phillipsburg Toll Bridge in 1938 but was cut back to U.S. Route 22 in the eastern part of Phillipsburg in 1953. The western terminus was cut back further around 1970 to Hackettstown with the route west of there becoming part of Route 57. The freeway alignment of Route 24 between the John F. Kennedy Parkway and I-78 was completed in 1976.
  With the completion of this freeway, Route 24 east of the John F. Kennedy Parkway became Route 124.
context_section_description: Route 24 begins at an interchange with Interstate 287 in Hanover Township, Morris County, heading southeast on a six-lane freeway. The route interchanges with County Route 511 (CR 511, Whippany Road) with a westbound exit and eastbound entrance and crosses into Morris Township. Route 24 crosses back into Hanover Township, where it passes over County Route 623 (Park Avenue) and narrows to four lanes, and intersects County Route 510 (Columbia Turnpike) at a cloverleaf interchange near the Morristown Municipal Airport. Just past this interchange, the freeway crosses into Florham Park, heading southeast and passing through Madison before crossing back into Florham Park. Route 24 passes under Tri-Borough Road and enters Chatham Borough. An abandoned cloverleaf interchange exists at this location, as Tri-Borough Road was to be an extension of the Eisenhower Parkway.
  Route 24 crosses into Millburn Township, Essex County, widens to six lanes, and passes over the Passaic River. In Millburn Township, the route interchanges with Route 124, County Route 649 (John F. Kennedy Parkway), and River Road. This interchange provides access to The Mall at Short Hills. Past this interchange, Route 124 becomes a frontage road for the Route 24 freeway and the freeway forms the border between the city of Summit in Union County and Millburn Township and interchanges with County Route 657 (Summit Avenue). Route 24 continues along the Summit-Millburn border until it fully enters Millburn and intersects County Route 608 (Hobart Avenue) with a westbound exit and eastbound entrance. Past this interchange, the Route 124 frontage road ends, with Route 124 following the freeway closely to the north as a two-way road, and Route 24 crosses into Summit before passing under NJ Transit's Morris & Essex Lines. The freeway then interchanges with County Route 512 (Broad Street) with a westbound exit and entrance and eastbound exit and County Route 527 (Morris Avenue) with an eastbound exit and entrance, entering Springfield Township. Route 24 continues southeast toward its terminus at an interchange with Interstate 78.
caption: View east at the eastern end of Route 24 at I-78 in Springfield Township
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