Interstate 78 in New Jersey

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Interstate 78

I-78 highlighted in red
Route information
Maintained by NJDOT, DRJTBC, NJTA, and PANYNJ
Length67.83 mi[1][2] (109.16 km)
HistoryCompleted in 1989
NHSEntire route
RestrictionsNo hazardous goods allowed in the Holland Tunnel
Major junctions
West end I-78 at the Pennsylvania state line in Phillipsburg
Major intersections
East end I-78 at the New York state line in the Holland Tunnel
CountryUnited States
StateNew Jersey
CountiesWarren, Hunterdon, Somerset, Union, Essex, Hudson
Highway system
Route 77 Route 79
Route 10Cutout shield for Route 11 Route 12

Interstate 78 (I-78) is an east–west route stretching from Union Township, Lebanon County, Pennsylvania, to New York City. In New Jersey, I-78 is called the Phillipsburg–Newark Expressway and the Newark Bay–Hudson County Extension of the New Jersey Turnpike. The highway runs for 67.83 miles (109.16 km) in the northern part of the state of New Jersey from the I-78 Toll Bridge over the Delaware River at the Pennsylvania state line in Phillipsburg, Warren County, east to the Holland Tunnel under the Hudson River at the New York state line in Jersey City, Hudson County. The Phillipsburg–Newark Expressway portion of I-78, formally called the Lightning Division Memorial Highway, runs from the Phillipsburg area east across rural areas of western New Jersey before entering suburban areas in Somerset County. The road crosses the Watchung Mountains, widening into a local–express lane configuration at Route 24 as it continues through urban areas to Newark. Here, I-78 intersects the mainline of the New Jersey Turnpike (I-95) and becomes the Newark Bay Extension, crossing the Newark Bay Bridge and continuing to Jersey City. The route, along with Route 139, follows a one-way pair of surface streets to the Holland Tunnel.

In 1927, Route 11 was legislated as a high-speed bypass of US Route 22 (US 22) between Whitehouse and Warren Township but was never built. The earliest parts of I-78 to be built were the Holland Tunnel in 1927 and the Newark Bay Extension. With the creation of the Interstate Highway System in the 1950s, a highway was planned along US 22 through northern New Jersey, becoming I-78 in 1958. The highway between Phillipsburg and Newark was built in various stages from the 1960s to 1989, with the final segment opening at the I-78 Toll Bridge. The section of highway through the Watchung Mountains and across Newark garnered opposition from environmentalists and residents who were worried about the effects of the highway. In addition, there was opposition to building I-78 through Phillipsburg, which resulted in the alignment to the south of the Lehigh Valley. In the 2000s, I-78 was completely rebuilt between Route 24 and the Garden State Parkway. In addition, missing movements between the parkway and I-78 were completed in 2010.[3]

Route description

Warren and Hunterdon counties

I-78 enters New Jersey from Pennsylvania on the I-78 Toll Bridge over the Delaware River and the Belvidere and Delaware River Railway, heading into Phillipsburg, Warren County.[2] The highway heads south into agricultural areas as a six-lane freeway that is maintained by the Delaware River Joint Toll Bridge Commission (DRJTBC), entering Pohatcong Township a short distance after the river.[2][4] The freeway makes a turn to the east as it briefly passes through a corner of Alpha before coming back into Pohatcong Township. Bypassing the center of Alpha to the south, I-78 passes under Norfolk Southern's Lehigh Line and has two more segments that enter the Alpha borough limits before coming to an interchange with US 22 and the western terminus of Route 173. At this point, US 22 forms a concurrency with I-78 and the road comes into Greenwich Township. At this point, the New Jersey Department of Transportation (NJDOT) takes over maintenance of the road. I-78/US 22 continue east through Greenwich Township, coming to a westbound exit and eastbound entrance with County Route 637 (CR 637). The road turns southeast and has an eastbound exit and westbound entrance with CR 632 in Franklin Township.[2] Within the ramps for this interchange, there are weigh stations in both directions.[4]

A short distance after this interchange, I-78/US 22 crosses the Musconetcong River into Bloomsbury, Hunterdon County. In Bloomsbury, the road has an interchange with Route 173.[2] After this interchange, the freeway enters Bethlehem Township, with Route 173 closely running to the north of I-78/ US22.[2][4] The road comes to a bridge over Norfolk Southern's Central Running Track line and has rest areas in both directions before it passes over Norfolk Southern's Lehigh Line and turns southeast to cross Musconetcong Mountain.[4] As the freeway crosses Jugtown Mountain, there is an automatic deicing spray, the first such to be installed in New Jersey.[5]

I-78/US 22 westbound past Route 31 interchange in Clinton

The freeway turns east again and enters Union Township, coming to an interchange with CR 614 and Route 173.[2] From here, I-78/US 22 continue east directly to the south of Route 173, coming to another interchange with that route as well as CR 625. Entering more commercial areas, Route 173 merges onto I-78/US 22 at exit 13.[2][4] At exit 15, the highway interchanges with CR 513, and Route 173 splits from I-78/US 22 by heading north on CR 513. At this point, the freeway enters Franklin Township briefly at exit 15 and then enters Clinton where it crosses the South Branch Raritan River.[2] I-78/US 22 turns northeast and leaves Clinton for Clinton Township, where it has an eastbound exit and westbound entrance for Route 173 that also provides access to Route 31.[2][4] Immediately after is the interchange with Route 31.[2] At the next interchange near the community of Annandale, US 22 splits from I-78 onto a four-lane surface highway, heading closely to the south of that route.[2][4]

Immediately after the split, I-78 passes over NJ Transit's Raritan Valley Line and runs through rural areas with increasing suburban development. The freeway runs through Lebanon, where an exit for CR 639 provides access to the town and the Round Valley Recreation Area. After running through Clinton Township again and into Readington Township, US 22 turns southeast while I-78 continues a due east course. In Tewksbury Township, there is an interchange with CR 523 that also provides access to CR 517.[2][4] After this exit, the highway crosses back into Readington Township.[2]

Somerset and Union counties

I-78 westbound in Warren Township

After crossing the Lamington River, I-78 comes into Bedminster, Somerset County, continuing east through more woods and farms with some suburban residential areas.[2][4] Upon entering Somerset County, there is an exit for CR 665 (signed as CR 523 Spur). The next interchange, exit 29, is called the Vincent R. Kramer Interchange.[2] It is at I-287, which serves as a bypass around New York City.[2][4] At this point, I-78 carries four eastbound lanes and three westbound lanes as the median widens.[2] The road enters wooded suburban areas and crosses Second Watchung Mountain, running through a corner of Bridgewater Township, where there is a westbound scenic overlook, before coming into Bernards Township.[2][4] The eastbound direction narrows back to three lanes before the interchange with CR 525, at which point the freeway crosses into Warren Township. The road heads east along the southern bank of the Dead River, coming to exit 36 for CR 651. I-78 heads farther south of the Dead River as it comes to the CR 531 interchange. Past CR 531, the highway turns to the northeast and comes to an interchange with Drift Road/Dale Road that provides access to US 22.[2] At this point, I-78 runs across Second Watchung Mountain again into Watchung.[4]

The freeway crosses Green Brook into Berkeley Heights, Union County, reaching exits for CR 655 and CR 640. The latter is an eastbound exit and entrance that also provides access to parallel CR 527.[2] At this point, I-78 runs between Second Watchung Mountain to the northwest and the Watchung Reservation to the southeast.[4] Along the reservation border, the road passes under Nikesite Road before coming into Summit, where there is an overpass that serves as a wildlife crossing. There is an eastbound exit and westbound entrance with CR 527 as it heads away from the Watchung Reservation and into more suburban surroundings. It briefly forming the border between Summit to the northwest and Mountainside to the southeast before coming into Springfield Township. The freeway passes near First Watchung Mountain before coming to the Route 24 interchange, where suburban development becomes more dense.[2][4]

Local–express lane split on I-78 eastbound just west of the Route 24 interchange in Springfield Township

At Route 24, I-78 divides into local–express lanes, with three express and three local lanes eastbound and two express and three local lanes westbound. In this section of the highway, most access is via the local lanes, though the next exit for Route 124 includes a direct westbound onramp to the express lanes. Before Route 124, I-78 briefly runs east through Millburn in Essex County and Springfield Township again before entering Union Township at the interchange. Past Route 124, I-78 carries a 3-2-2-3–lane configuration and comes to partial interchanges with CR 630 and CR 633. The next interchange along the highway provides access to the Garden State Parkway along the border of Union Township and Hillside.[2] The road turns northeast again into Hillside, heading into more urbanized settings.[4] In Hillside, I-78 passes under Conrail Shared Assets Operations' (CSAO) Irvington Industrial Track line and has an eastbound exit and westbound entrance to Winans Avenue.[2]

Essex and Hudson counties

I-78 briefly passes through a corner of Irvington in Essex County before continuing into Newark. Upon entering Newark, the road has an interchange serving CR 602 and Wainwright Street.[2] Following this, the freeway passes near urban neighborhoods before coming to exit 56.[2][4] This large semi-directional T interchange was originally meant to serve the unbuilt Route 75, which would have connected to I-280. The large flyover ramps constructed were converted to exit ramps to Irvine Turner Boulevard with full access to the local and express lanes.[6] Past this, the roadway passes over CSAO's Lehigh Line (which also carries NJ Transit's Raritan Valley Line), Route 27, and Amtrak's Northeast Corridor. The final interchange on the free part of I-78 is the massive complex to the north of the Newark Liberty International Airport, called the Newark Airport Interchange, with ramps to and from US 1/9, US 22, Route 21, and many local roads. Several ramps provide access to the express lanes.[2][4] Just to the east, the local and express lanes rejoin at the toll gate for the New Jersey Turnpike, at which point I-78 becomes maintained by the New Jersey Turnpike Authority (NJTA), following the Newark Bay Extension of the New Jersey Turnpike. An interchange just beyond the toll booth provides full access to I-95, the mainline of the New Jersey Turnpike.[2] I-78 here becomes a four-lane highway, heading over the New Jersey Turnpike and CSAO's Chemical Coast Secondary and Corbin Street Lead lines before passing by the Port Newark–Elizabeth Marine Terminal.[2][4]

I-78 westbound at US 1/9 exit in Newark

I-78 crosses the Newark Bay on the Newark Bay Bridge into Bayonne, Hudson County. As it enters Jersey City, exit 14A, numbered as part of the New Jersey Turnpike, provides access to Route 440.[2] Within this interchange, the road passes over CSAO's Bayonne Industrial Track and Greenville Industrial Track lines. From here, the freeway turns northeast on an elevated alignment and passes industrial areas of Jersey City, with CSAO's National Docks Branch line parallel to the northwest.[4] The next interchange, exit 14B, is for Bayview Avenue and provides access to Liberty State Park.[2][4] After this interchange, I-78 comes to exit 14C, the number given to the toll plaza at the end of the turnpike extension.[2] After the toll plaza, there is an exit for a park and ride lot at the Liberty State Park station along NJ Transit's Hudson–Bergen Light Rail line.[2][4] Continuing north, the road passes over the Hudson–Bergen Light Rail line before there is an exit for Columbus Drive and Montgomery Street.[2] Past this interchange, the highway crosses PATH's Newark–World Trade Center line. I-78 heads down to surface level and passes over CSAO's National Docks Branch line twice before it merges with the Route 139 freeway.[2][4]

The Holland Tunnel going westbound toward Jersey City

From here, I-78 and Route 139 pass through business areas as a one-way pair that follows six-lane 12th Street eastbound and six-lane 14th Street westbound. This segment of the route is under the jurisdiction of the Port Authority of New York and New Jersey (PANYNJ) and is also known as Boyle Plaza. It runs on surface streets with traffic lights, an example of a non–limited-access section of Interstate Highway.[2][4] The first intersection is with Jersey Avenue, which heads to Downtown Jersey City and Hoboken.[4] It intersects with the one-way northbound CR 633 (Erie Street) next before crossing one-way southbound CR 635 (Grove Street).[2] After Grove Street, the road crosses CR 637 (Luis Muñoz Marín Boulevard) near Newport Centre just to the south. Past this intersection, the eastbound direction comes to the toll plaza for the Holland Tunnel.[4] From here, the concurrency enters the Holland Tunnel under the Hudson River, which carries two lanes in each direction. Route 139 ends at the New Jersey–New York state line within the tunnel and I-78 continues into the New York City borough of Manhattan.[2][4]


Cutout shield for Route 11
Route 11 (planned in 1927)

The oldest section of I-78, the Holland Tunnel, was established in September 1927. The tunnel predated the Interstate Highway System, as a commuter route linking Jersey City and Manhattan. Six months after it was opened, 3.66 million passengers had used the tunnel.[7] In 1927, Route 11 had been legislated as a high-speed bypass of US 22, running from Route 28 in Whitehouse east to Route 29 in Warren Township, roughly following the alignment of present-day I-78; it was never built.[8][9] In the Clinton area, a four-lane bypass of Annandale opened on July 16, 1949.[10]

A map of the New York City area showing county borders in addition to proposed interstates, which are in thick black
This 1955 plan shows the full proposed route of I-78 in the New York City area, running east to John F. Kennedy International Airport and then north to the Bruckner Interchange.

The Newark Bay Extension of the New Jersey Turnpike was the first limited-access section of I-78 to be built in the state of New Jersey. The 8.2-mile (13.2 km) long expressway was opened to Bayonne on April 4, 1956,[11] and then to Jersey City on September 15, 1956 to provide access from the New Jersey Turnpike mainline to the Holland Tunnel.[12][13] At this time, the Interstate Highway System was established and a route was planned to run east–west from the Harrisburg, Pennsylvania, area to New York City, running across the northern part of New Jersey from Phillipsburg to Jersey City along the US 22 corridor.[14] This freeway was originally planned as FAI Corridor 102 and I-80 before it became I-78 in 1958.[15][16]

A bypass of Clinton was the first section of highway to open that was designed to become part of I-78; this highway opened on September 12, 1958,[17] and connected the Annandale bypass to a dualized section of highway that opened to the foot of Jugtown Mountain in December 1952.[18] The part of I-78 between exit 3 at Still Valley and exit 7 at Bloomsbury opened on October 30, 1959.[19] This was extended eastbound to Pattenburg Road on December 11, 1961,[20] and westbound on August 3 the year after.[21] In July 1963, New Jersey Governor Richard J. Hughes approved a plan to build I-78 through the city of Newark at a cost of $205 million (equivalent to $1.56 billion in 2023[22]). This plan had been opposed by several communities along the route.[23]

Other sections of highway stalled for opening for a few years, but the next section of highway opened on July 29, 1966, connecting a concurrently-opened section of I-287 with County Route 523 north of Whitehorse Station.[24] This was extended to Lebanon in 1966, though this section couldn't be opened until an extension to Lebanon, along with the part of a reconstructed Annandale bypass east of Allerton Road, opened on September 13, 1968.[25] The reconstructed Annandale bypass opened west to the Clinton Bypass within the month on September 27, 1968.[26] The highway between Clinton and Pattenburg Road was reconstructed in the 1967;[27] this segment runs concurrent with US 22 with the old alignment of US 22 becoming Route 173. In building the road between CR 614 and exit 13, the eastbound lanes of US 22 became westbound I-78 and the westbound lanes of US 22 became the Route 173 frontage road. From I-287, the highway was extended to King George Road on December 8, 1970.[28] This was then extended to Drift Road on July 8, 1971.[29] In Union County, a small section of I-78, connecting a concurrently opened section of the Route 24 Freeway with Springfield Avenue (now Route 124), opened on July 3, 1974.[30] This was then extended to the Garden State Parkway on April 14, 1976,[31] and to the New Jersey Turnpike was completed on May 27, 1977.[32] Along this stretch, exit 56 was to connect to the proposed Route 75 freeway, which was never built.[33]

I-78 eastbound in Berkeley Heights

The section from Drift Road to Route 24 (exit 48) in Springfield Township was delayed because of environmental impacts to the Watchung Reservation. In order to mitigate opposition to the original plan, that was shifted closer to the northern edge of the Reservation, which required extensive cuts into the Second Watchung Mountain. Extra land was added to the Nikesite Road overpass and a separate elevated wildlife crossing was built to allow for animal migration. The road was also designed to use a narrower right-of-way with no median strip and just a Jersey barrier dividing the highway, to minimize the amount of rock to be removed.[34] This stretch of I-78 opened on August 13, 1986.[35]

A section of I-78 in Newark was closed off in August 1989 when a debris pile under a bridge caught fire and damaged the elevated highway. The road was opened nine days after the fire occurred.[36] The westernmost section of I-78 in New Jersey opened on November 21, 1989 after a more northerly alignment along present day US 22 through Phillipsburg was rejected due to community opposition.[37] This led to I-78 being rerouted to the south of the Lehigh Valley in Pennsylvania and New Jersey.[38] The additional length of roadway that resulted from this rerouting is the reason exit numbers 3 through 52 (which were assigned before this westernmost section opened) are mismatched by approximately one mile (1.6 km) when compared to their corresponding milemarker.

Aerial photo of I-78 in New Jersey and New York.

I-78, like many other highways in New Jersey, once had solar powered emergency callboxes every one mile (1.6 km), however, with the advent of cellphones, the usage of these callboxes became extremely limited. To save on maintenance costs, the NJDOT removed these call boxes in 2005.[39]

In 2006–2007 the highway between Route 24 (exit 48) and the Garden State Parkway (exit 52) was rebuilt. This included redecking of bridge decks and covering the deteriorated concrete pavement with an asphalt overlay.[40] Exit 52 was reconstructed due to missing ramps from the Garden State Parkway and I-78 since the I-278 connection was canceled. Construction began in June 2008, with the ramp from the northbound Garden State Parkway to westbound I-78 being completed in September 2009.[41] The connection between the southbound Garden State Parkway and eastbound I-78 was completed in December 2010.[3] In 2012–2013, the deteriorating concrete surface of I-78 between the Garden State Parkway (exit 52) and US 1/9 and US 22 (exit 57) was resurfaced with an asphalt overlay; this had been the last section of I-78 within New Jersey that was still concrete.

In the early 2020s, the NJTA announced plans to widen its section of I-78, between I-95 and Jersey City, from four to six lanes. Preliminary studies for the project began in 2021; at the time, the project was slated to begin in 2023 and be complete in 2026.[42] The project faced significant opposition from residents of neighboring communities.[43][44] The project, originally budgeted at $4.7 billion, had increased to $10.6 billion by late 2022.[42][45]

Exit list

Delaware River0.000.00
I-78 west – Pennsylvania
Continuation into Pennsylvania
Interstate 78 Toll Bridge (westbound toll in Pennsylvania)
WarrenGreenwich Township3.946.343

US 22 west / Route 173 to Route 122 – Phillipsburg, Bloomsbury, Alpha
West end of concurrency with US 22; no westbound exit to eastbound US 22; last westbound exit before toll
5.488.824Warren Glen, StewartsvilleWestbound exit and eastbound entrance via CR 637
Franklin Township7.0311.316Warren Glen, Asbury, Weigh StationEastbound exit and westbound entrance via CR 632
HunterdonBloomsbury7.4612.017 Route 173 – West Portal, Bloomsbury
Union Township11.7618.9311 Route 173 (CR 614) – West Portal, Pattenburg
13.4221.6012 Route 173 (CR 625) – Jutland, Norton
Route 173 west (Service Road)
West end of concurrency with Route 173; westbound exit and eastbound entrance
Franklin Township16.0625.8515
Route 173 east (CR 513) – Clinton, Pittstown
Eastern terminus of concurrency with Route 173
Clinton Township17.32–
17 Route 31 – Clinton, Washington, Flemington, TrentonSigned as exits 16 (north) and 17 (south) eastbound
US 22 east – Annandale, Lebanon
Eastern terminus of concurrency with US 22
Lebanon20.7833.4420Lebanon, Round Valley Recreation Area, CokesburyWestbound exit and eastbound entrance via CR 639; signed as exits 20A (south) and 20B (north)
Tewksbury Township25.0340.2824
CR 523 to CR 517 – Oldwick, Whitehouse
CR 523 Spur (CR 665) – Lamington, North Branch

I-287 to I-80 / US 202 / US 206 – Morristown, Somerville
I-287 exit 21
township line
34.5855.6533 CR 525 – Bernardsville, Martinsville
Warren Township37.3960.1736 CR 651 – Basking Ridge, Warren Twp
40.9865.9540 CR 531 – The Plainfields, Watchung, Gillette
Watchung42.2267.9541Berkeley Heights, Scotch PlainsNo eastbound entrance
UnionBerkeley Heights44.0170.8343Berkeley Heights, New Providence, WatchungAccess via CR 655
44.5271.6544New Providence, Berkeley HeightsEastbound exit and entrance via CR 527
Summit46.7275.1945 CR 527 (Glenside Avenue) – SummitEastbound exit and westbound entrance
Springfield Township48.1477.47Western terminus of local-express lanes

Route 24 west to I-287 – Millburn, Springfield, Morristown
Union Township50.5881.4049
Route 124 to Route 82 – Springfield, Union, Maplewood
Eastbound exit and westbound entrance; signed as exits 49A (west) and 49B (east)
51.4382.7750Union, Millburn, MaplewoodWestbound exit and eastbound entrance via CR 630; signed as exits 50A (south) and 50B (north)
G.S. Parkway
Crossover from express lanes allows full access; commercial vehicles prohibited; exits 142A-B on GSP
Hillside54.3287.4254Hillside, IrvingtonEastbound exit and westbound entrance; access via Winans Avenue
55Hillside, IrvingtonEastbound exit is part of exit 54; access via CR 602
56.4590.8556West Peddle Street/Elizabeth Avenue – Downtown NewarkExit from both express and local lanes
Route 21 north – Newark, Newark Airport
No westbound exit
US 1-9 south – Newark Airport, Elizabeth
No eastbound exit

US 1-9 to US 22 / Route 21 – Port Newark, Elizabeth, Newark, Newark Airport
Signed as exits 58A (south) and 58B (north); eastbound crossover from express lanes; eastern terminus of US 22; exit number not signed westbound; last eastbound exit before toll
Eastern terminus of local-express lanes
58.6094.31Exit 14 Toll Plaza (western end of Newark Bay Extension)

I-95 Toll / N.J. Turnpike – New York, Trenton
Exit 14 on I-95/Turnpike
Newark Bay60.8097.85Newark Bay Bridge
HudsonBayonneJersey City line62.0199.8014A Route 440 – BayonneAccess to Cape Liberty Cruise Port and Staten Island
Jersey City64.20103.3214BJersey City, Liberty State ParkAccess via Bayview Avenue
64.50103.80Exit 14C Toll Plaza (eastern end of Newark Bay Extension)
64.63104.01 Liberty Science Center, Light Rail Park-RideEastbound exit and westbound entrance
65.50105.41Columbus DriveEastbound exit and westbound entrance

Route 139 west to I-280 west / US 1-9 (Pulaski Skyway)
Western terminus of concurrency with Route 139; westbound exit and eastbound entrance
66.76107.44Eastern end of freeway section
Jersey Avenue (CR 631) – Lincoln TunnelAt-grade intersection
67.03107.87Marin Boulevard (CR 637)At-grade intersection
Hudson River67.83109.16Holland Tunnel (eastbound toll; E-ZPass or toll-by-plate)

I-78 east (Holland Tunnel) – New York City

Route 139 ends
Continuation into New York at the river's center; eastern terminus of Route 139
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Federal Highway Administration (December 31, 2021). "Table 1 - Main Routes". FHWA Route Log and Finder List. Retrieved May 29, 2022.
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am "I-78 Straight Line Diagram" (PDF). New Jersey Department of Transportation. Retrieved March 17, 2020.
  3. ^ a b "New ramp linking I-78 and the Garden State Parkway opens today". New Jersey Department of Transportation. December 10, 2010. Retrieved December 14, 2010.
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z Google (January 12, 2010). "overview of Interstate 78 in New Jersey" (Map). Google Maps. Google. Retrieved January 12, 2010.
  5. ^ Payette, Harley (December 18, 2004). "New Jersey will install its first de-icing system on I-78". The Morning Call. Retrieved January 12, 2010.
  6. ^ Anderson, Steve. "NJ 75 Freeway".
  7. ^ "HOLLAND TUNNEL TOLLS NOW EXCEED $2,000,000; First Six Months' Receipts Show It Is Helping to Pay for Itself--Average Daily Traffic Already Above Half Its Capacity--Income Rising Monthly Income Now Rising. Trucking Cost Lowered. Cuts Fog Delays. Effect on Jersey City. Out of Gasoline". The New York Times. March 13, 1928. p. 129. Retrieved September 9, 2007.
  8. ^ State of New Jersey, Laws of 1927, Chapter 319.
  9. ^ Williams, Jimmy and Sharon. "1927 New Jersey Road Map". 1920s New Jersey Highways. Archived from the original on October 31, 2007. Retrieved October 8, 2008.
  10. ^ "Rt. 28 Approaches Closed at Annandale". The Courier-News. 1949-08-06. p. 3. Retrieved 2024-01-20.
  11. ^ "Pike Link Revives Eastside Highway Plan". The Jersey Journal. 1956-04-05. p. 3. Retrieved 2024-01-16.
  12. ^ "'World's most expensive road' opened in N.J. In 1956". April 24, 2017.
  13. ^ "Jersey Will Open Pike Link Today; New Jersey Turnpike Extension Will Cut Travel Time". The New York Times. September 15, 1956. p. 14. Retrieved September 9, 2007.
  14. ^ Secretary of Commerce (1955). Interstate Highway System plan (Map). United States Department of Commerce. Retrieved November 12, 2009.
  15. ^ Official Numbering for the National System of Interstate and Defense Highways (Map). American Association of State Highway and Transportation Officials. 1957. Retrieved January 13, 2010.
  16. ^ Wright, George Cable (September 19, 1958). "New Roads with New Numbers Will Parallel Old U.S. Routes". The New York Times.
  17. ^ "Route 22 Bypass Opened at Clinton". The Courier-News. 1958-09-13. p. 3. Retrieved 2024-01-20.
  18. ^ "Rt. 28 Slows At 2-Mile Bottleneck". The Courier-News. 1952-12-01. p. 6. Retrieved 2024-01-20.
  19. ^ "5-Mile Stretch of Route 80 To Open at Denville Friday". The Herald-News. 1959-10-26. p. 30. Retrieved 2024-01-20.
  20. ^ "State to Open Highway Addition". Asbury Park Press. 1961-12-11. p. 7. Retrieved 2024-01-20.
  21. ^ "Route 78 Lane Open In Clinton Vicinity". The Courier-News. 1962-08-04. p. 2. Retrieved 2024-01-20.
  22. ^ Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
  23. ^ Wright, George Cable (July 31, 1963). "Hughes Approves a Huge Road Plan; $204,696,637 Spending in Fiscal '63 Cleared--Route 78 to Cross Newark". The New York Times. Retrieved September 9, 2007.
  24. ^ "Governor Opens 5 MIles Of Interstate Route 78". The Courier-News. 1966-07-30. p. 13. Retrieved 2024-01-20.
  25. ^ "Route 78 Section Now Open". The Courier-News. 1968-09-14. p. 6. Retrieved 2024-01-20.
  26. ^ "New Rt. 78 Section Opens in Annandale". The Courier-News. 1968-09-26. p. 4. Retrieved 2024-01-20.
  27. ^ National Bridge Inventory, BIN 1015158
  28. ^ "Route 78 Section Open". The Central New Jersey Home News. 1970-12-09. p. 25. Retrieved 2024-01-20.
  29. ^ "Portion of Rt. 78 officially opened". The Courier-News. 1971-07-08. p. 5. Retrieved 2024-01-21.
  30. ^ "Route 24 Freeway section opened here". The Item of Millburn and Short Hills. 1974-07-05. p. 1. Retrieved 2024-01-21.
  31. ^ "Another link to Rt. 78, but . . ". The Courier-News. 1976-04-14. p. 3. Retrieved 2024-01-21.
  32. ^ "New Access Road Opens to Airport". Asbury Park Press. 1977-05-29. p. 2. Retrieved 2024-01-21.
  33. ^ ROUTE NO. 75. L.1967, c. 87, s. 1, repealed 1997, c.143, s.3.
  34. ^ Hanley, Robert (August 12, 1986). "Long-Sought I-78 Link to Ease Travel". The New York Times. Retrieved January 13, 2010.
  35. ^ "Route 78 link opens near town". The Item of Millburn and Short Hills. 1986-08-14. p. 1. Retrieved 2024-01-21.
  36. ^ "Section of Interstate 78 To Reopen to Traffic". The New York Times. Associated Press. August 16, 1989. Retrieved August 31, 2007.
  37. ^ "A Long-Delayed Link Between New Jersey and Pennsylvania Opens". The New York Times. November 22, 1989. Retrieved January 13, 2010.
  38. ^ Hanley, Robert (June 19, 1989). "For Jerseyans, a New Route to Escape High Living Costs". The New York Times. Retrieved January 13, 2010.
  39. ^ Barlas, Thomas (February 28, 2007). "Last call for N.J.'s roadside call boxes". The Press of Atlantic City.
  40. ^ "Interstate 78 Resurfacing, Reconstruction: Overview". New Jersey Department of Transportation. Retrieved January 21, 2007.
  41. ^ Rispoli, Michael (September 16, 2009). "Garden State Parkway, Route 78 connection to end commuter merry-go-round". The Star-Ledger. Retrieved January 13, 2010.
  42. ^ a b Obando, Sebastian (November 29, 2022). "NJ Turnpike rehab cost jumps to $10.6B". Construction Dive. Retrieved January 20, 2023.
  43. ^ Tully, Tracey; McGeehan, Patrick (December 19, 2022). "Can a $10 Billion Highway Fix One of New Jersey's Worst Traffic Jams?". The New York Times. ISSN 0362-4331. Retrieved January 20, 2023.
  44. ^ "Plan to widen portion of the New Jersey Turnpike draws heavy opposition". New Jersey Monitor. July 28, 2022. Retrieved January 20, 2023.
  45. ^ Symons, Michael (November 22, 2022). "Wait, how much? NJ Turnpike extension cost hits 'astounding, absurd, shocking' amount". New Jersey 101.5. Retrieved January 20, 2023.

External links

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