Interstate 78 East - Bernards Township to Newark

Interstate 78 traverses Second Watchung Mountain into Warren Township. East from Exit 33, the freeway parallels the Dead River in a broad valley north of Second Watchung Mountain to Exit 36 with County Route 651 (King George Road).
08/11/04
CR 651 (King George Road) links Interstate 78 with Mount Bethel and Warrenville to the south and Basking Ridge in Bernards Township to the north.
08/11/04
CR 531 (Hillcrest Road) meets Interstate 78 at Exit 40 near Watchung. Hillcrest Road runs from CR 527 (Valley Road) in the borough of Watchung to Mountain Avenue (CR 622) and Gillette across the Morris County line to the north.
08/11/04
A six-ramp parclo interchange (Exit 40) joins I-78 with CR 531 beyond the Valley View Road overpass. CR 531 continues southeast of Watchung to North Plainfield, Plainfield, South Plainfield, Metuchen and Edison.
08/11/04
County Route 531 ends at CR 512 (Valley Road), 1.7 miles to the north of Exit 40 in Gillette.
08/11/04
The final Somerset County departs Interstate 78 east for Dale Road at Drift Road on Second Watchung Mountain. Drift Road lowers to Plainfield Avenue nearby, just north of Exit 41. Plainfield Avenue crosses into Union County north of there to west Berkeley Heights Township while leading south to become Bonnie Burn Road to Scotch Plains.
08/11/04
Exit 43 leaves I-78 east for Oak Way and CR 527. Diamond Hill Road (CR 655) ties into CR 527 nearby, providing return access to I-78 east from Scotch Plains Township to the south.
08/11/04
CR 527 constitutes a lengthy route, originating at Toms River in South Jersey and ending to the north at Cedar Grove. CR 527 (Glenside Avenue) parallels the south side of Interstate 78 along the northern boundary of the Watchung Reservation between Exits 43 and 45.
08/11/04
Exit 44 is the first of two for Glenside Avenue on Interstate 78 eastbound. Glenside Avenue provides connections to New Providence and Berkeley Heights via CR 647 (Glenside Road / South Street) north.
08/11/04
County Route 527 (Glenside Avenue) and Interstate 78 travel from Watchung Reservation into the city of Summit, coming together again at a half diamond interchange (Exit 45) in one mile.
08/11/04
Union County Route 527 continues through Summit to Millburn and Livingston, with interchanges at Route 24 and Interstate 280.
08/11/04
Interstate 78 partitions into a Local / Express configuration at the exchange with Route 24 in Springfield Township. The dual freeway runs east through Union Township and Newark.
08/11/04
Traffic bound for the New Jersey Turnpike (I-95) and Holland Tunnel into New York City is advised to use the Express lanes through Union and Newark. I-78 meets the Garden State Parkway in four miles at Union.
08/11/04
Interstate 78 east separates into a pair of two lane roadways by Hidden Valley Park. The freeway eventually swells to between ten and 14 lanes on the stretch through Union and Newark. The dual freeway configuration concludes at the New Jersey Turnpike Extension to Bayonne, Jersey City and the Holland Tunnel.
08/11/04
Interstate 78 Express and Local eastbound at the Shunpike Road (CR 636) overpass. Exit 48 departs from the Local lanes in one half mile for Route 24 west. Comprising a commuter freeway between I-78 at Springfield and I-287 at Morristown, Route 24 runs 10.42 miles to the northwest.
08/11/04
Interstate 78 Express reassurance shield posted ahead of the Troy Drive and Baltusrol Way underpass.
08/11/04
Route 124 (Springfield Avenue) parallels Route 24 and I-78 at Morristown, Springfield and Union. Route 124 follows Morris Avenue southeast below I-78 to Maple Avenue and Route 82. Route 82 continues Morris Avenue southeast to Downtown Union while Route 124 shifts northward along Springfield Avenue toward Irvington.
07/26/24
Exit 49 A leaves I-78 Local for Route 124 (Springfield Avenue) west to Route 82 and Springfield.
07/26/24
Exit 49 B follows onto Route 124 (Springfield Avenue) east for Maplewood and Irvington Townships.
07/26/24
A crossover immediately east of Route 124 provides access from the Express lanes to the Local lanes for the Garden State Parkway.
07/26/24
Entrance ramps bring traffic onto the Local lanes from Liberty Avenue and Vauxhall Road (CR 630) in Union Township.
07/26/24
Exit 52 follows from I-78 Local to the Garden State Parkway (GSP). A second crossover precedes the forthcoming exchange for Newark Liberty International Airport (EWR).
07/26/24
Sound walls line both sides of the ten lane freeway ahead of Exit 52 for the Garden State Parkway.
07/26/24
The Express to Local lane crossover precedes Exit 58 A for Downtown Newark via Route 21 (McCarter Highway) north
07/26/24
The crossover leaves for the Local lanes at the two-wye interchange (Exit 52) and access road to the GSP.
07/26/24
A heavily traveled toll road between Woodbridge and Perth Amboy to the south and Orange, Clifton and Patterson to the north, the GSP travels 172 miles overall from Cape May to the New York State Thruway (I-87/287).
07/26/24
The flyover joining the GSP north with I-78 was completed in September 2009. Missing movements between the Parkway and I-78 were added between April 2008 and September 21, 2011 as part of a $150 million project (NJDOT, 2011). Before their completion, motorists were directed to U-turn via Paine Avenue to access I-78 west.
07/26/24
Interstate 78 shifts northeastward from the GSP through an industrial area of north Hillside Township toward Exit 54 with Winans Avenue east and Paine Avenue west.
07/26/24
One quarter mile ahead of Exit 54 onto Paine Avenue west to Irvington and Winans Avenue east to Hillside.
07/26/24
Exit 54 also includes a ramp onto Fabyan Place, a frontage road east to Lyons Avenue (CR 602) in west Newark. CR 602 crosses I-78 north into Irvington.
07/26/24
Interstate 78 nips the southern corner of Irvington Township at the Paine Avenue overpass, ahead of a sign for Liberty State Park. Liberty State Park lies further east in Jersey City via Exit 14 B.
07/26/24
Where Interstate 78 enters Newark, interests to Newark Penn Station for both AMTRAK and NJTransit are directed toward Exit 57 for Route 21 north.
07/26/24
An entrance ramp joins I-78 east from Lyons Avenue and Schley Street ahead of the Clinton Place overpass. A sign advises motorists bound for either the NJ Turnpike or Jersey City to remain on Interstate 78.
07/26/24
Accessible from both the Express and Local lanes, forthcoming Exit 56 departs in a half mile for a freeway spur to Peddie Street and Elizabeth Avenue. The spur is a leftover from the unbuilt Newark Midtown Freeway (Route 75) planned between U.S. 1/9 and Interstate 280 north of University Heights.
07/26/24
A directional T interchange joins Interstate 78 with the unnumbered freeway spur north to Runyon Street. Route 75 was canceled in 1973 due to costs, leaving just the spur from I-78 and a partially built interchange at I-280 as the lone elements built for the route.
07/26/24
Route 21 commences a 14.35 mile long route north to U.S. 46 in Clifton at U.S. 1/9 and I-78 at Exit 57.
07/26/24
Exit 56 leaves both roadways of I-78 east simultaneously for Peddie Street east to Route 27 (Frelinghuysen Avenue) and Runyan Street east to Elizabeth Avenue.
Exit 58 follows to U.S. 1/9 south to Newark Liberty International Airport (EWR) and Port Newark.
07/26/24
The Express lanes of Interstate 78 travel above all ramps associated with the planned Route 69 freeway.
08/11/04
A left side ramp joins the Local lanes with the Express lanes for uninterrupted access to Interstate 95, the New Jersey Turnpike and the Holland Tunnel. The Local lanes tie into the New Jersey Turnpike Extension toll plaza at their end.
07/26/24
Prudential Center, home of the NHL New Jersey Devils, and the New Jersey Performing Arts Center (NJPAC) are located in Downtown Newark just west of Route 21 (McCarter Highway).
07/26/24
A complex interchange lies at the north end of Newark Liberty International Airport (EWR), with ramps leaving the Local lanes for both Route 21 north and Express Road to the airport passenger terminal.
07/26/24
The Local lanes appear again alongside the Express lanes as U.S. 22 converges with I-78 ahead of U.S. 1/9. The freeway along U.S. 1/9 enters the exchange from EWR Airport to the south, joining I-78 with Elizabeth, Port Newark and the Pulaski Skyway to Jersey City.
07/26/24
Exit 57 leaves the Local lanes for Route 21 (McCarter Highway) north to the Newark Central Business District and Newark Liberty International Airport (EWR).
07/26/24
Exit 57 separates with a loop ramp joining Route 21 (McCarter Highway) north while a distributor roadway extends south 1.86 miles to ramps for EWR Airport, Haynes Avenue and U.S. 1/9 south.
07/26/24
The eastbound ramp from Exit 57 to EWR Airport joins the distributor roadway extending south from a trumpet interchange with Interstate 78. A loop ramp follows onto the east end of U.S. 22 ahead of U.S. 1/9 north.
07/26/24
A final slip ramp joins the I-78 Express lanes with the Local lanes for access to I-95 (New Jersey Turnpike), U.S. 1/9, U.S. 22 and Route 21.
07/27/07
Exit 58 A partitions from the Local lanes for Port Street east and a service road alongside U.S. 1/9 south with return access to both Route 21 (McCarter Highway) north and U.S. 22 west to Hillside.
05/30/22
Flyovers from the I-78 Connector leading north from EWR Airport lower onto I-78 east between the Express and Local lanes.
05/30/22
Exit 58 A joins Interstate 78 east with U.S. 1/9 south to Elizabeth and Port Street east to Port Newark along Newark Bay.
05/30/22
The I-78 Express and Local lanes combine just east of the U.S. 1/9 overpasses and ahead of the New Jersey Turnpike Extension main line toll plaza.
05/30/22
Ramps from U.S. 1/9 south and Port Street west from Port Newark join the Express lanes ahead of the toll plaza.
07/27/07
Exit 58 B is the final exit before the tolled section of Interstate 78. The loop ramp joins U.S. 1/9 north onto the Pulaski Skyway. U.S. 1/9 follow the historic bridge across the Passaic and Hackensack Rivers into Jersey City.
05/30/22
References:
New Jersey Department of Transportation (NJDOT). (2011, September 21). NJDOT announces completion of project fully linking I-78 and the Garden State Parkway. [Press release].
Photo Credits:
- Carter Buchanan: 08/11/04
- Brent Ivy: 05/30/22, 07/26/24
- Alex Nitzman: 07/27/07
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Page Updated Wednesday May 06, 2026.


