Interstate 80 in New Jersey: Difference between revisions

|length_mi = 68.335

* {{Jct|state=NJ|NJ|15|CR|634|county2=Morris}} in [[Wharton, New Jersey|Wharton]]

* {{Jct|state=NJ|I|287|US|46}} in [[Parsippany-Troy Hills, New Jersey|ParsippanyParsippany–Troy Hills]]

* {{jct|state=NJ|GSP||CR|67|county2=Bergen}} in [[Saddle Brook, New Jersey|Saddle Brook]]

|terminus_b = {{Jct|state=NJ|I|95|NJTP||US|46|CR|39|county4=Bergen}} in [[Teaneck, New Jersey|Teaneck]]

'''Interstate&nbsp;80''' ('''I-80''') is a major [[Interstate Highway System|Interstate Highway]] in the [[United States]], running from [[San Francisco|San Francisco, California]], eastward to the [[New York metropolitan area|New York metro area]]. In [[New Jersey]], I-80 runs for {{convert|68.335|mi|km}} from the [[Delaware Water Gap Toll Bridge]] at the [[Pennsylvania]] state line to its eastern terminus at [[Interstate 95 in New Jersey|I-95]] in [[Teaneck, New Jersey|Teaneck]], [[Bergen County, New Jersey|Bergen County]]. I-95 continues from the end of I-80 to the [[George Washington Bridge]] for access to [[New York City]]. The highway runs parallel to [[U.S. Route&nbsp;46|]] (US&nbsp;46]]) through rural areas of [[Warren County, New Jersey|Warren]] and [[Sussex County, New Jersey|Sussex]] counties before heading into more suburban surroundings in [[Morris County, New Jersey|Morris County]]. As the road continues into [[Passaic County, New Jersey|Passaic]] and Bergen counties, it heads into more urban areas. The [[New Jersey Department of Transportation]] (NJDOT) identifies I-80 within the state as the '''Christopher Columbus Highway'''.<ref name=sld>{{cite web |author = New Jersey Department of Transportation |author-link = New Jersey Department of Transportation |date = April 2014 |url = http://www.state.nj.us/transportation/refdata/sldiag/pdf/00000080__-.pdf |title = I-80 Straight Line Diagram |department = Roadway Information and Traffic Monitoring System Program |publisher = New Jersey Department of Transportation |access-date = March 17, 2020 }}</ref>

A freeway along the I-80 corridor had been planned in 1936 and again in 1955 to provide relief along US&nbsp;46 between the George Washington Bridge and the [[Delaware Water Gap]]. With the establishment of the [[Interstate Highway System]], the planned freeway, which had been identified in some planning documents as the '''Bergen–Passaic Expressway''' (which same name is also applied sometimes to I-95/NJ Turnpike north of the interchange with I-80 interchange), was incorporated into I-80.<ref>{{Cite news |date=1964-12-12 |title=Bergen Passaic Expressway Opens Local Traffic Lanes (Published 1964) |language=en |url=https://www.nytimes.com/1964/12/12/archives/bergen-passaic-expressway-opens-local-traffic-lanes.html |access-date=2023-08-11}}</ref> The freeway was built across New Jersey in stages from the 1960s to 1973. The westernmost {{Convert|4|mi|km|spell=in}} in New Jersey was originally a rerouting of [[PennsylvaniaU.S. Route 611|US&nbsp;611]] when built, although that route was later realigned back into Pennsylvania. In the 1990s, [[Highhigh-occupancy vehicle lanes|lane]]s (HOV lanes]]) had existed on a part of I-80 in Morris County, but the HOV lanes were opened to regular traffic because they were not used frequently.

I-80 enters [[Hardwick Township, New Jersey|Hardwick Township]], [[Warren County, New Jersey|Warren County]], from Pennsylvania on the [[Delaware Water Gap Toll Bridge]] over the [[Delaware River]], maintained by the [[Delaware River Joint Toll Bridge Commission]] (DRJTBC).<ref name=sld /> In addition to carrying I-80, this bridge also carries the [[Appalachian Trail]] over the Delaware River. From this point, the four-lane freeway heads south along the east bank of the river through the [[Delaware Water Gap]], immediately reaching a westbound exit and eastbound entrance for [[Old Mine Road]].<ref name=sld /><ref name=gm>{{google maps |url = https://maps.google.com/maps?f=d&source=s_d&saddr=40.976,+-75.1354&daddr=I-80+and+I-95+teaneck,+nj&geocode=%3BFfGTbwId88WW-ykFM6iKN_fCiTF8GZRr5zPfyA&hl=en&mra=ls&sll=40.978732,-75.069923&sspn=0.054042,0.1684&ie=UTF8&t=h&z=10 |title = Overview of Interstate 80 in New Jersey |access-date = January 14, 2010 }}</ref> Now maintained by [[New Jersey Department of Transportation|NJDOT]], the road makes a sharp turn to the east and comes to a [[U-turn|u-turn]] ramp in both directions that also has access to the Appalachian Trail.<ref name=sld /> The highway heads south again and enters [[Knowlton Township, New Jersey|Knowlton Township]], where it comes to another set of U-turn ramps that also includes a [[weigh station]] in the eastbound direction. After turning southeast and leaving the Delaware Water Gap, the road has a westbound [[Right-in/right-out|right-in/right-out]] for Hainesburg Road before crossing under the abandoned [[Delaware River Viaduct]] of the [[Lackawanna Cut-Off]]. East of the viaduct, I-80 widens to six lanes and reaches a complex interchange with the western terminus of [[U.S. Route 46|US&nbsp;46]], [[New Jersey Route 94|Route&nbsp;94]], and Decatur Street in [[Columbia, New Jersey|Columbia]], where development near the route increases. After this interchange, the freeway turns east away from the Delaware River and crosses over [[Paulins Kill]] before it continues through wooded and hilly areas containing some farms, with the eastbound direction widening from three to four lanes, and the highway median also widens. A [[Scenic viewpoint|scenic overlook]] of the Delaware Water Gap is located in the westbound direction while a [[Rest area|rest area]] is located in the eastbound direction.<ref name=sld /><ref name=gm />

Upon crossing into [[Blairstown, New Jersey|Blairstown]], the eastbound direction narrows down to three lanes.<ref name=sld /> In [[Hope Township, New Jersey|Hope Township]], I-80 reaches an interchange with [[County Route 521 (New Jersey)|CRCounty Route&nbsp;521]] (CR&nbsp;521) that also provides access to [[County Route 519 (New Jersey)|CR&nbsp;519]] and the [[Land of Make Believe (amusement park)|Land of Make Believe]] amusement park.<ref name=sld /><ref name=gm /> The highway widens to eight lanes briefly after this interchange before narrowing to six lanes. In [[Frelinghuysen Township, New Jersey|Frelinghuysen Township]], the freeway carries four lanes eastbound and three lanes westbound. Upon coming into [[Allamuchy Township, New Jersey|Allamuchy Township]], I-80 has six lanes before gaining a fourth eastbound lane as it comes to the exit for [[County Route 517 (New Jersey)|CR&nbsp;517]] exit,<ref name=sld /> providing access to [[Allamuchy Mountain State Park]].<ref name=gm /> Following this, the road runs through densely forested areas of the park, coming to two pairs of rest areas with no facilities in both directions. The eastbound direction becomes three lanes again before the road passes through [[Byram Township, New Jersey|Byram Township]] in [[Sussex County, New Jersey|Sussex County]].<ref name=sld /><ref name=gm />

Upon crossing the [[Musconetcong River]], I-80 enters [[Mount Olive Township, New Jersey|Mount Olive Township]] in [[Morris County, New Jersey|Morris County]] and passes through more woodland with a narrower median. The road comes to a [[trumpet interchange]] with [[U.S. Route 206 in New Jersey|US&nbsp;206]] and forms a [[Concurrencyconcurrency (road)|concurrency]] with that route as it bypasses [[Netcong, New Jersey|Netcong]] to the south. After turning southeast and passing near suburban business parks, the highway crosses over [[NJ Transit]]'s [[Morristown Line]]/[[Montclair-Boonton Line]] and reaches a partial interchange with US&nbsp;46,<ref name=sld /><ref name=gm /> which has only a westbound exit and eastbound entrance. The freeway crosses a small corner of Netcong and Mount Olive Township again before continuing into [[Roxbury, New Jersey|Roxbury]], where it comes to a modified [[Cloverleaf interchange|cloverleaf interchange]].<ref name=sld /> At this interchange, [[New Jersey Route 183|Route&nbsp;183]] heads north into Netcong and US&nbsp;206 splits from I-80 by heading south. The road continues through wooded areas containing some suburban development as it comes to the interchange with Landing Road ([[List of county routes in Morris County, New Jersey#631|CR&nbsp;631]]) interchange, which also provides access to eastbound US&nbsp;46.<ref name=sld /><ref name=gm /> The road crosses the NJ Transit line again and parallels it a short distance to the north as it comes into [[Mount Arlington, New Jersey|Mount Arlington]] and reaches the exit for Howard Boulevard ([[List of county routes in Morris County, New Jersey#615|CR 615]])exit, serving [[Mount Arlington station|Mount Arlington Station]].<ref name=sld /> I-80 continues back into Roxbury and comes to a westbound truck rest area with the eastbound one being abandoned.<ref name=sld /><ref name=njdot2>{{cite web |url = http://www.state.nj.us/transportation/refdata/traffic_orders/rest_stops/rt80.shtm |department= NJDOT Traffic Regulations |title = Traffic and Parking in Rest Areas: Interstate 80 |publisher = New Jersey Department of Transportation |access-date = January 15, 2010 }}</ref><ref name=gsv>{{cite web |title=I-80 Eastbound at Abandoned Weigh Station |url = https://maps.google.com/maps?f=d&source=s_d&saddr=40.976,+-75.1354&daddr=I-80+and+I-95+teaneck,+nj&geocode=FYA-cQIdWIaF-w%3BFfGTbwId88WW-ykFM6iKN_fCiTF8GZRr5zPfyA&hl=en&mra=ls&sll=40.978732,-75.069923&sspn=0.054042,0.1684&ie=UTF8&t=h&ll=40.904853,-74.602361&spn=0,359.9579&z=15&layer=c&cbll=40.905114,-74.608433&panoid=Vyk7D64Ci18vru0haf_mkg&cbp=12,94.59,,0,5 |work = [[Google Street View]] |publisher = Google Maps |date = September 2008 |access-date = January 15, 2010 }}</ref> After this, the road heads farther north of the railroad tracks and briefly passes through [[Jefferson Township, New Jersey|Jefferson Township]] and [[Rockaway Township, New Jersey|Rockaway Township]] townships before continuing into [[Wharton, New Jersey|Wharton]]. Here, the freeway has an eastbound exit to North Main Street ([[List of county routes in Morris County, New Jersey#634|CR&nbsp;634]]) that provides access to [[New Jersey Route 15|Route&nbsp;15]] before it reaches the interchange with Route&nbsp;15 proper that lacks an eastbound exit.<ref name=sld />

The highway continues back into Rockaway Township as it widens to eight lanes and comes to the exit for ([[List of county routes in Morris County, New Jersey#661|CR&nbsp;661]]) exit near the [[Rockaway Townsquare]] shopping mall. Suburban development near the highway becomes more dense at this point as I-80 briefly passes through a corner of [[Rockaway, New Jersey|Rockaway]] borough before coming to the interchange with [[County Route 513 (New Jersey)|CR&nbsp;513]] in Rockaway Township.<ref name=sld /><ref name=gm /> The freeway passes over the [[Dover and Rockaway River Railroad]]'s Dover and Rockaway Branch and turns southeast here into [[Denville Township, New Jersey|Denville Township]]. In the center of Denville Township, it has an eastbound exit and westbound entrance serving US&nbsp;46 that also provides access to [[New Jersey Route 53|Route&nbsp;53]]. There is a westbound exit and eastbound entrance serving both US&nbsp;46 and Route&nbsp;53 as the road begins to turn more to the east. I-80 turns south and crosses the Montclair-Boonton Line for a third time before it enters [[Parsippany–Troy Hills, New Jersey|ParsippanyParsippany–Troy Hills]].<ref name=sld /> The highway makes a turn east as it comes into an area of business parks, with the median widening before an interchange serving [[U.S. Route 202 in New Jersey|US&nbsp;202]] and Cherry Hill Road ([[List of county routes in Morris County, New Jersey#654|CR&nbsp;654]]).<ref name=sld /><ref name=gm /> The median narrows again before I-80 reaches the interchange with [[Interstate 287|I-287]] interchange that also has movements to US&nbsp;46 and Smith Road to and from the east.<ref name=sld />

Past I-287, I-80 gains [[local–express lanes]] with a 2-3-3-2 configuration.<ref name=sld /> The road continues past more commercial areas, with the local lanes having an eastbound exit and westbound entrance at CR&nbsp;637.<ref name=sld /><ref name=gm /> After this, there is a large interchange with US&nbsp;46 and the western terminus of [[Interstate 280 (New Jersey)|I-280]], at which point the local–express lanes end.<ref name=sld /> From this point, I-80 continues east through wooded areas as a six-lane freeway, crossing into [[Montville, New Jersey|Montville]],<ref name=sld /><ref name=gm /> where there is a partial interchange providing access to Hook Mountain Road.<ref name=sld /> After a turn to the northeast, the highway comes into [[Fairfield Township, Essex County, New Jersey|Fairfield Township]], [[Essex County, New Jersey|Essex County]], continuing through wooded surroundings as it heads north before turning east. Development near the road increases as it comes to the westbound exit and eastbound entrance with Two Bridges Road ([[List of county routes in Essex County, New Jersey#613|CR&nbsp;613]]).<ref name=sld /><ref name=gm />

After crossing the Passaic River again, I-80 enters [[Wayne, New Jersey|Wayne]] in [[Passaic County, New Jersey|Passaic County]].<ref name=sld /> Here, the road passes under the [[Montclair-Boonton Line]] before coming to the [[Spaghetti junction|spaghetti junction]] with [[New Jersey Route 23|Route&nbsp;23]] and US&nbsp;46 near the [[Willowbrook Mall (New Jersey)|Willowbrook Mall]]. At this point, the freeway widens to eight lanes and continues into [[Totowa, New Jersey|Totowa]], passing near more commercial areas and over a [[Norfolk Southern Railway]] railroad line as it comes to an interchange with Minnisink Road ([[List of county routes in Passaic County, New Jersey#642|CR&nbsp;642]]) that has access to and from the west.<ref name=sld /><ref name=gm /> A short distance later, there is a westbound exit and eastbound entrance serving Union Boulevard ([[New Jersey Route 62|Route&nbsp;62]] and [[List of county routes in Passaic County, New Jersey#646|CR&nbsp;646]]).<ref name=sld /> I-80 crosses the Passaic River a third time and enters [[Woodland Park, New Jersey|Woodland Park]], where it turns to the northeast past suburban neighborhoods and reaches an interchange withserving Squirrelwood Road ([[List of county routes in Passaic County, New Jersey#636|CR&nbsp;636]]).<ref name=sld /><ref name=gm /> Passing to the north of [[Garret Mountain Reservation]], the freeway enters [[Paterson, New Jersey|Paterson]] and turns east into urban areas as it comes to the interchange withat the [[New Jersey Route 19|Route&nbsp;19]] freeway. After Route&nbsp;19, I-80 runs above Paterson on a viaduct, crossing over NJ Transit's [[Main Line (NJ Transit)|Main Line]] before coming to the exit for Madison Avenue ([[List of county routes in Passaic County, New Jersey#649|CR&nbsp;649]] (Madison Avenue). The road returns to ground level near urban neighborhoods as it comes to an eastbound exit and westbound entrance serving Market Street before reaching an interchange with [[New Jersey Route 20|Route&nbsp;20]].<ref name=sld /><ref name=gm />

After a fourth crossing of the Passaic River, I-80 comes into [[Elmwood Park, New Jersey|Elmwood Park]] in [[Bergen County, New Jersey|Bergen County]] and reaches the exit for [[County Route 507 (New Jersey)|CR&nbsp;507]] exit.<ref name=sld /> It continues near suburban neighborhoods, coming to a bridge over [[New York, Susquehanna and Western Railway]]'s (NYSW) New Jersey Subdivision line, and passes over NJ Transit's [[Bergen County Line]] as it comes to an interchange with the [[Garden State Parkway]] on the border of Elmwood Park and [[Saddle Brook, New Jersey|Saddle Brook]] that also has connections to Midland Avenue ([[List of county routes in Bergen County, New Jersey#67|CR&nbsp;67]]).<ref name=sld /><ref name=gm /> At the Garden State Parkway, I-80 gains a 2-2 local–express lane configuration eastbound while the westbound direction carries four lanes. The next interchange along the road is with Saddle River Road ([[List of county routes in Bergen County, New Jersey#79|CR&nbsp;79]]) and is a westbound entrance and an eastbound exit accessible from the local lanes. The freeway passes over the [[New York, Susquehanna and Western Railway]]NYSW line again and turns south along the west bank of the [[Saddle River (Passaic River tributary)|Saddle River]], eventually crossing it into [[Lodi, New Jersey|Lodi]].<ref name=sld /> Immediately after, there is a [[Diamond interchange|diamond interchange]] at Riverview Avenue that provides access to [[New Jersey Route 4|Route&nbsp;4]] and [[New Jersey Route 17|Route&nbsp;17]]. Heading southeast, I-80 passes over [[New York, Susquehanna and Western Railway]]NYSW's Lodi Branch line and comes to an interchange at Route&nbsp;17, which provides access to US&nbsp;46 to the south, Route&nbsp;4 to the north, and various local roads. At this point, I-80 runs between the travel lanes of Route&nbsp;17 as it continues into [[Hackensack, New Jersey|Hackensack]]. Past Route&nbsp;17, I-80 gains a 3-2-2-3 local–express lane configuration and crosses NJ Transit's [[Pascack Valley Line]] before passing through industrial parks and running through a small part of [[South Hackensack, New Jersey|South Hackensack]].<ref name=sld /><ref name=gm /> Here, there is an interchange to Green Street before the highway comes into [[Teterboro, New Jersey|Teterboro]]. Turning east, the freeway runs through South Hackensack before entering Hackensack, where an exit provides access to Hudson Street ([[Hackensack Plank Road|CR&nbsp;124]] (Hudson Street).<ref name=sld /> The road passes near neighborhoods before crossing the [[Hackensack River]] into [[Ridgefield Park, New Jersey|Ridgefield Park]], where it passes over [[New York, Susquehanna and Western Railway]]NYSW's New Jersey Subdivision line and [[CSX Transportation]]'s [[River Subdivision (CSX Transportation)|River Subdivision]] line before there is an exit for 2nd Street.<ref name=sld /><ref name=gm /> The freeway passes through a corner of [[Bogota, New Jersey|Bogota]] before it continues into [[Teaneck, New Jersey|Teaneck]].<ref name=sld /><ref name=gm /> In Teaneck, I-80 reaches its eastern terminus at the interchange with [[Interstate 95 in New Jersey|I-95]] ([[New Jersey Turnpike]]). From here, one can head southbound on I-95 on the turnpike towardstoward Newark or head northbound towardstoward the [[George Washington Bridge]] and [[New York City]].<ref name=gm />

A freeway along the I-80 corridor was first planned in 1936 as a replacement for the cross-state [[U.S. Route 46|US&nbsp;46]], running from the [[George Washington Bridge]] west to the [[Delaware Water Gap]] and [[Scranton, Pennsylvania]].<ref name=nyt>{{cite news |title = Freeways Are Now Urged |newspaper = The New York Times |date = December 13, 1936 |page = 16 |issn = 0362-4331 }}</ref> After [[World War II]], New Jersey officials considered the proposal again in 1955.<ref>{{cite web |title=Interstate 80 Toll Project Timeline |url=https://www.poconorecord.com/story/news/2008/05/19/interstate-80-toll-project-timeline/52405704007/ |website=Pocono Record}}</ref> Coming off the George Washington Bridge, [[New Jersey Route 4|Route&nbsp;4]] and US&nbsp;46 already provided high-speed corridors, but they were overloaded, and so a new corridor in between, the Bergen–Passaic Expressway, was planned to run from the bridge to [[Paterson, New Jersey|Paterson]].<ref>{{Cite web|url=http://timesmachine.nytimes.com/timesmachine/1956/07/01/305699792.html|title=Freeway Route in Jersey Given; Fewer Protests Than Were Expected Are Voiced Over Bergen-Passaic Artery|date=July 1, 1956|website=timesmachine.nytimes.com|language=en|access-date=August 23, 2019}}</ref><ref name=js>{{cite book|title=Joint Study of Arterial Facilities|publisher=[[Port of New York Authority]] and [[Triborough Bridge and Tunnel Authority]] |year=1955}}</ref> The planned route west to the Delaware Water Gap was designated in 1956 as Federal Aid Interstate Route&nbsp;101 by the [[New Jersey Department of Transportation|New Jersey State Highway Department]].<ref name=nyt2>{{cite news |last = Wright |first = George Cable |title = Jersey Acts to Speed U.S. Aid for Its $388.5 Million Freeway |newspaper = The New York Times |date = March 5, 1958 |page = 33|issn = 0362-4331 }}</ref> It first received the I-82 designation before finally becoming a part of I-80 in 1958.<ref name="1957 map">{{cite map |author = Public Roads Administration |author-link = Public Roads Administration |author2 = American Association of State Highway Officials |author2-link = American Association of State Highway Officials |year = 1957 |title = Official Numbering for the National System of Interstate and Defense Highways, as Adopted by the American Association of State Highway Officials, August 14, 1957 |url = https://commons.wikimedia.org/wiki/File:Interstate_Highway_plan_August_14,_1957.jpg |scale = Scale not given |location = Washington, DC |publisher = [[Federal Works Agency]] |access-date =January 13, 2010 |via = [[Wikimedia Commons]] }}</ref><ref name=nyt3>{{cite news |last = Wright |first = George Cable |title = New Roads with New Numbers Will Parallel Old U.S. Routes |newspaper = The New York Times |date = September 19, 1958 |page = 29|issn = 0362-4331 }}</ref> The easternmost section of the route, leading to the bridge, had become part of [[Interstate 95 in New Jersey|I-95]].<ref name=nyt3 />

The section of I-80 through the Delaware Water Gap had already opened on December 16, 1953, running from the [[Delaware Water Gap Toll Bridge]] to [[New Jersey Route 94|Route&nbsp;94]] inat [[Columbia, New Jersey|Columbia]].<ref name=nyt4>{{cite news |title = New Span Crosses Delaware River; Fine, Driscoll at Ceremonies for Water Gap Bridge—Road to Link Poconos and New York |newspaper = The New York Times |date = December 17, 1953 |page = 51 |issn = 0362-4331 }}</ref> This road was signed as a realignment of [[U.S. Route 611|US&nbsp;611]] from Pennsylvania, later receiving the I-80 designation. The old alignment of US&nbsp;611 in Pennsylvania had become [[PennsylvaniaU.S. Route 611#History Alternate (Delaware Water Gap, Pennsylvania)|US&nbsp;611 AltAlternate]] (US&nbsp;611 Alt).<ref name="PennDOT 1950 back">{{cite map|publisher=Pennsylvania Department of Highways|title=Official Road Map of Pennsylvania (back)| url=http://www.dot7.state.pa.us/BPR_PDF_FILES/MAPS/Statewide/Historic_OTMs/1950bk.pdf|year=1950|access-date=January 16, 2014}}</ref><ref name="esso" /> By 1966, I-80 had been completed from [[Netcong, New Jersey|Netcong]] to [[Denville Township, New Jersey|Denville]] and from Paterson to I-95.<ref name="esso">{{cite map |author1 = Esso |author-link = Esso |title = United States featuring the Interstate Highway System |year = 1966 |author2 = General Drafting |author2-link = General Drafting }}{{full citation needed|date= July 2019}}</ref> By 1969, the section between [[Interstate 280 (New Jersey)|I-280]] in [[Parsippany–Troy Hills, New Jersey|ParsippanyParsippany–Troy Hills]] and [[New Jersey Route 23|Route&nbsp;23]] in [[Wayne, New Jersey|Wayne]] was finished. Also around this time, US&nbsp;611 was moved off I-80 and back into Pennsylvania, replacing US&nbsp;611 Alt.<ref name="chevron">{{cite map |author1 = Chevron Oil Company |author-link = Chevron Oil Company |title = Map of New Jersey |year = 1969 |author2=H.M. Gousha |author2-link=H.M. Gousha }}{{full citation needed|date= July 2019}}</ref> By 1971, the section between Wayne and Paterson was completed along with the part between [[U.S. Route 202 in New Jersey|US&nbsp;202]] and I-280.<ref name=nyt5>{{cite news |last = Shipler |first = David K. |title = New Highways Shaping Future of City's Suburbs; New Superhighways Shaping Future of City's Suburbs |newspaper = The New York Times |date = August 19, 1971 |page = 1 |issn = 0362-4331 }}</ref> A {{convert|3.5|mi|km|adj=on}} section between US&nbsp;46 in Denville and US&nbsp;202 in Parsippany–Troy Hills, was opened in September 1973.<ref name=nyt6>{{cite news |last = Burks |first = Edward C. |title = Vital Stretch of Route 80 Opens in Jersey, Ending Big Bottleneck; Stretch of Route 80 Opens and Eliminates Bottleneck |newspaper = The New York Times |date = September 15, 1973 |page = 65 |issn = 0362-4331 }}</ref> Also in 1973, the section between [[U.S. Route 206|US&nbsp;206]] in Netcong and US&nbsp;46 and Route&nbsp;94 in Columbia was completed, and the interchange in Columbia was realigned into a complex array of ramps.<ref name=nyt7>{{cite news |title = Missing Link of I-80 Opened in Ceremony Near Columbia |newspaper = [[The New York Times]] |date = November 9, 1973 |page = 86 |issn = 0362-4331 }}</ref>

In the 1990s, [[High-occupancy vehicleHOV lane|HOV lanes]]s were built along I-80 between [[Rockaway, New Jersey|Rockaway]] and ParsippanyParsippany–Troy Hills. These HOV lanes, along with the ones that had been built on [[Interstate 287|I-287]], were opened to regular traffic in 1998 due to lack of usage, and the state did not have to repay the federal government the $240&nbsp;million (equivalent to ${{Formatprice|{{inflation|US-GDP|240000000|1998}}}} in {{Inflation/year|index=US-GDP}}{{Inflation/fn|index=US-GDP}}) to build the lanes.<ref name=nyt8>{{cite news |last = Berger |first = Joseph |title = Our Towns; H.O.V. Lanes: A 30-Mile Test That Failed |url = https://www.nytimes.com/1998/12/01/nyregion/our-towns-hov-lanes-a-30-mile-test-that-failed.html |newspaper = The New York Times |date = December 1, 1998 |access-date = December 22, 2009 }}</ref>

In 1994, the New Jersey Department of TransportationNJDOT adopted and began using the Rockfall Hazard Rating System for evaluating and ranking highway rock-cut slopes. The segment of I-80 between mileposts&nbsp;1.04 and 1.45, has been continually characterized as having the highest rockfall hazard rating scores in the state.<ref>{{cite web |title=I-80 Rockfall Mitigation Project - Rockfall Hazards Overview |url=https://www.state.nj.us/transportation/works/rockfall/hms.shtm}}</ref> Nine rockfall incidents and one fatality have been reported between 2001 and 2016. In June 2019, the New Jersey Department of TransportationNJDOT held a public meeting regarding a proposed rock wall along I-80 in the Delaware Water Gap National Recreation Area. The $60-million project, dubbed the "Jurassic Park fence", would involve the construction of a {{convert|60|ft|m|adj=on}} metal fence between milemarker&nbsp;1.04 and 1.05 to prevent rocks from falling onto the highway.<ref>{{cite news |last1=Cassi |first1=Sarah |title=Controversial I-80 project in Delaware Water Gap, dubbed the 'Jurassic Park fence,' goes before the public |url=https://www.lehighvalleylive.com/warren-county/2019/06/controversial-i-80-project-in-delaware-water-gap-dubbed-the-jurassic-park-fence-goes-before-the-public.html |access-date=August 22, 2019 |agency=lehighvalleylive.com |date=June 14, 2019}}</ref>

I-80, like many other highways in New Jersey, once had solar powered emergency [[Call box|callboxescallbox]]es every {{convert|1|mi|km|spell=in}}, however, with the advent of [[Mobile phone|cellphonescellphone]]s, the usage of these callboxes became extremely limited. To save on maintenance costs, the New Jersey Department of TransportationNJDOT removed these callboxes in 2005.<ref name=pressac>{{cite news |last = Barlas |first = Thomas |title = Last Call for N.J.'s Roadside Call Boxes |work = [[The Press of Atlantic City]] |date = February 28, 2007 }}</ref>

In August 2012, the New Jersey Department of TransportationNJDOT announced a $73-million (equivalent to ${{Formatprice|{{inflation|US-GDP|73000000|2012}}}} in {{Inflation/year|index=US-GDP}}{{Inflation/fn|index=US-GDP}}) project will completely rehabilitate and improve I-80 eastbound between [[U.S. Route 202 in New Jersey|US&nbsp;202]] and the Beverwyck Road interchange, a very busy part of highway with an average of 159,000&nbsp;vehicles traveling it daily.<ref>{{cite web |title=NJDOT announces major Interstate 80 roadway rehabilitation in Parsippany-Troy Hills Interchanges with I-287 and Route 202 to be upgraded as well |url=https://www.state.nj.us/transportation/about/press/2012/080912.shtm |website=state nj}}</ref>

|mile=0.000

|road={{jct|state=PA|I|80|dir1=west|PA|611|to2=yes|location1city1=Stroudsburg|city2=[[Delaware Water Gap, Pennsylvania|Del Water Gap]]|city2=Stroudsburg}}

|mile=0.110

|mile=2.005

|place=[[Weigh station|WEIGH STATION]]}}

|mile=3.339

|road=Hainesburg RdRoad

|mile=4.220

|mile=4.558

|road={{jct|state=NJ|US|46|dir1=east|NJ|94|dir2=north|to3=yes|PA|611|location1=[[Portland, Pennsylvania|Portland, PA]]|city2=Buttzville|city3=Blairstown}}

|notes=Signed as exits 4B (EASTsouth/east) and 4C (NORTHnorth); western terminus of US&nbsp;46}}

|mile=12.003

|road={{jct|state=NJ|CR|521|to2=to|CR|519|city1=Blairstown|location2city2=[[Hope Township, New Jersey|Hope]]}}

|mile=19.888

|road={{jct|state=NJ|CR|517|city1=Hackettstown|location2city2=[[Allamuchy Township, New Jersey|Allamuchy]]|city3=Andover}}

|mile=25.225

|notes=Western terminus of theUS 206 [[Concurrencyconcurrency (road)|concurrency]] with US 206}}

|mile=26.225

|mile=27.119

|notes=Signed as exits 27A (SOUTHsouth) and 27B (NORTHnorth); eastern terminus of the concurrency with US 206 concurrency; southern terminus of Route 183}}

|mile=28.991

|road={{jct|state=NJ|US|46|dir1=east|to2=to|NJ|10|city1=Ledgewood|location2=[[Lake Hopatcong, New Jersey|Lk Hopatcong]]}}

|mile=30.661

|notes=Access to [[Mount Arlington station|Mount Arlington Station]]; access via [[List of county routes in Morris County, New Jersey#615|CR 615]]}}

|mile=34.002

|road={{jct|state=NJ|to1=to|NJ|15|city1=Wharton|city2=Dover|city3=Sparta}} (EB)<br>{{jct|state=NJ|NJ|15|city1=Wharton|location2=[[Jefferson Township, New Jersey|Jefferson]]|city3city4=Sparta}} (WB)

|notes=Signed as exits 34A (SOUTHsouth) and 34B (NORTHnorth) westbound}}

|mile=35.333

|notes=Signed as exits 35A (Dover) and 35B (Mount Hope) westbound; access via [[ListCounty ofRoute county routes in661 (Morris County, New Jersey#661)|CR&nbsp;661]]}}

|mile=37.663

|location=Denville Township

|mile=38.881

|road={{jct|state=NJ|US|46|dir1=east|to2=to|NJ|53|location1city1=[[Denville Township, New Jersey|Denville]]|extra=rail}}

|notes=Eastbound exit and westbound entrance; to [[Denville (NJT station)|Denville Stationstation]]}}

|mile=39.557

|notes=Westbound exit and eastbound entrance; to [[Denville (NJT station)|Denville Stationstation]]}}

|mile=42.446

|road={{jct|state=NJ|to1=to|US|46|location1city1=[[Parsippany-Troy Hills, New Jersey|Parisppany]]}}

|notes=No eastbound exit; access via [[ListCounty ofRoute county routes in654 (Morris County, New Jersey#654)|CR 654]]}}

|road={{jct|state=NJ|US|202|dir1=north|location1city1=[[Parsippany-Troy Hills, New Jersey|Parsippany]]}}

|mile=43.662

|road={{jct|state=NJ|I|287|US|46|road|Smith RdRoad|city1=Boonton|city2=Morristown|city3=Mahwah}}

|notes=Signed as exits 43A (SOUTHsouth) and 43B (NORTHnorth) westbound; no eastbound access to US 46 / Smith Road; Exitsexits 41A-B (on I-287)}}

|place=Western terminus of [[Local-express lanes|local-express lanes]]}}

|mile=45.334

|notes=Eastbound exit and westbound entrance; access via [[ListCounty ofRoute county routes in637 (Morris County, New Jersey#637)|CR&nbsp;637]]}}

|mile=46.336

|place=Eastern terminus of the local-express lanes}}

|mile=46.550

|exit=47B (EB)<br>47 (WB)

|road={{jct|state=NJ|US|46|dir1city1=west|location1=[[Parsippany-Troy Hills, New Jersey|Parsippany]]}} (WB)<br>{{jct|state=NJ|US|46|dir1=east|location1location2=[[The Caldwells]]|city2city3=Montclair}} (EB)

|mile=47.883

|mile=52.448

|notes=Westbound exit and eastbound entrance; access via [[ListCounty ofRoute county routes in613 (Essex County, New Jersey#613)|CR&nbsp;613]]}}

|mile=53.662

|road={{jct|state=NJ|US|46|dir1=east|to2=to|NJ|3|dir2=east|city1=Wayne|city2=Clifton|location3=[[Lincoln Tunnel]]}}

|notes=Eastbound exit and westbound entrance; access to the [[Meadowlands Sports Complex]]}}

|road={{jct|state=NJ|US|46|dir1=west|NJ|23|city1=Wayne|city2=Butler|city3=Verona}}

|mile=54.773

|road={{jctname|state=NJ|CR|642|county1=Passaic|noshield1=yes|name1=Minnisink Road - [[Little Falls, New Jersey|city1=Little Falls]], [[Totowa, New Jersey|city2=Totowa]]}}

|notes=Eastbound exit and westbound entrance; access via [[List of county routes in Passaic County, New Jersey#642|CR 642]]}}

|mile=55.221

|notes=Westbound exit and eastbound entrance; signed as exits 55A (Little Fallssouth) and 55B (Totowanorth); access via [[New Jersey Route 62|Route 62]] south/[[List of county routes in Passaic County, New Jersey#646|CR 646]]}}

|mile=57.007

|road={{jctname|state=NJ|CR|636|county1=Passaic|noshield1=yes|name1=Squirrelwood Rd - [[Woodland Park, New JerseyRoad|city1=Woodland Park]], [[Paterson, New Jersey|city2=Paterson]]}}

|notes=Signed as exits 56A (Woodland Parksouth) and 56B (Patersonnorth) eastbound; access via [[List of county routes in Passaic County, New Jersey#636|CR 636]]}}

|mile=58.222

|road={{jct|state=NJ|NJ|19|city1=Clifton|location2=[[Paterson, New Jersey|PatersonDowntown DOWNTOWNPaterson]]}}

|notes=Signed as exits 57A (south) and 57B (Paterson DOWNTOWNnorth); Route 19 north not signed}}

|mile=58.337

|notes=Westbound exit and eastbound entrance; access via [[County Route 509 (New Jersey)|CR 509]]}}

|mile=59.006

|notes=Signed as exits 58A (Cliftonsouth) and 58B (Patersonnorth); access via [[List of county routes in Passaic County, New Jersey#649|CR 649]]}}

|mile=60.004

|road=Market StStreet – [[Paterson, New Jersey|Paterson]]

|mile=60.441

|road={{jct|state=NJ|NJ|20|US|46|NJ|21|to2=yes|dir3=south|city1=Hawthorne|city2=Clifton}} (EB)<br>{{jct|state=NJ|NJ|20|dir1=north|city1=Hawthorne}} (WB)

|mile=60.881

|road={{jct|state=NJ|CR|507|city1=Garfield|location2city2=[[Elmwood Park, New Jersey|Elmwood Pk]]}}

|mile=62.334

|road={{jct|state=NJ|GSP||city1=Saddle Brook|road|{{jctname|state=NJ|CR|67|county1=Bergen|noshield1=yes|name1=Midland AveAvenue}}}}

|notes=Signed as exit 62 westbound; no eastbound access to the Garden State ParkwayGSP south; access to Midland Avenue via Pehle Avenue; access via [[List of county routes in Bergen County, New Jersey#67|CR 67]]; Exit 159 (Garden State Parkway)}}

|place=Western terminus of the eastbound local-express lanes}}

|road={{jctname|state=NJ|CR|79|county1=Bergen|noshield1=yes|name1=Saddle River Rd - [[Fair Lawn, New JerseyRoad|city1=Fair Lawn]], [[Lodi, New Jersey|city2=Lodi]]}}

|notes=Eastbound exit and westbound entrance; access via [[List of county routes in Bergen County, New Jersey#79|CR 79]]}}

|mile=63.882

|road={{jct|state=NJ|to1=to|NJ|4|NJ|17|dir1city1=north|location1=[[Rochelle Park, New Jersey|Rochelle Pk]]|city2=Paramus}} (EB)<br>{{jct|state=NJ|NJ|17|to2=to|NJ|4|city1city3=Lodi|city2city4=Fair Lawn}} (WB)

|notes=Access via Riverview Avenue and Essex Street}}

|mile=65.005

|mile2=65.440

|place=Western terminus of the westbound local-express lanes}}

|road={{jct|state=NJ|NJ|17|to2=to|NJ|4|US|46|dir3=east|location1city1=[[Rochelle Park, New Jersey|Rochelle Pk]]|city2=Paramus|location3city3=[[Hasbrouck Heights, New Jersey|Hasbrouck Hts]]|city4=Newark}}

|notes=Signed as exits 64A (NORTHnorth) and 64B (SOUTHsouth) westbound; no eastbound access to Route 17 north; Route 4 not signed eastbound}}

|mile=65.667

|road=Green StStreet&nbsp;– [[Teterboro, New Jersey|Teterboro]], [[South Hackensack, New Jersey|S.South Hackensack]]

|mile=66.555

|road={{jctname|state=NJ|CR|124|county1=Bergen|noshield1=yes|name1=Hudson St - [[Hackensack, New JerseyStreet|city1=Hackensack]], [[Little Ferry, New Jersey|city2=Little Ferry]]}}

|mile=67.222

|road=[[Bogota, New Jersey|Bogota]], [[Ridgefield Park, New Jersey|Ridgefield PkPark]]

|mile=68.117

|exit=68A

|road={{jct|state=NJ|I|95|dir1=south|NJTP||dir2=south|to2=to|US| 46|CR|39|county4=Bergen|location1=[[Meadowlands Sports Complex]]}}

|notes=Eastbound exit and westbound entrance; northern terminus of theNJ NewTurnpike; JerseyCR Turnpike39 not signed; exit number not signed}}

|mile=68.554

|notes=Eastbound exit and westbound entrance; signed as exits 70A (Leonia) and 70B (Teaneck); access via [[ListCounty ofRoute county routes in56 (Bergen County, New Jersey#56-3)|CR&nbsp;56]]}}

|exit=68B

|road={{jct|state=NJ|I|95|dir1=north|location1=[[George Washington Bridge|G Washington Br]]|location2=[[New York City]]}}

|notes=Eastern terminus; exit number not signed; Exitexit 69 (on I-95)}}