Editing Interstate 78 (section)

===New Jersey===
{{main|Interstate 78 in New Jersey}}
[[File:2018-05-29 11 01 47 View west along Interstate 78 (Phillipsburg-Newark Expressway) between Exit 36 and Exit 33 in Warren Township, Somerset County, New Jersey.jpg|thumb|I-78 westbound in [[Warren Township, New Jersey]]]]
[[File:I-78 NJTPX EB.jpg|thumb|I-78 eastbound crossing [[Newark Bay]] at [[Newark Bay Bridge]]]]
After the [[Interstate 78 Toll Bridge|I-78 Toll Bridge]], I-78 enters New Jersey as the '''Phillipsburg–Newark Expressway'''.<ref name="sld">{{cite web |author = New Jersey Department of Transportation |author-link = New Jersey Department of Transportation |url = http://www.state.nj.us/transportation/refdata/sldiag/pdf/00000078__-.pdf |title = Interstate 78 Straight Line Diagram |access-date = March 19, 2020 }}</ref> The road begins by running parallel with [[County Route 642 (Warren County, New Jersey)|County Route&nbsp;642]] (CR&nbsp;642) in the town of [[Alpha, New Jersey|Alpha]]. At {{convert|3.94|mi|km}}, a [[partial cloverleaf interchange]] brings together [[U.S. Route 22|US&nbsp;22]], [[New Jersey Route 122|Route&nbsp;122]], and [[New Jersey Route 173|Route&nbsp;173]] with I-78 in [[Phillipsburg, New Jersey|Phillipsburg]].<ref name="googlenj">{{google maps |url = https://maps.google.com/maps?hl=en&q=I-78,+New+Jersey,+United+States&um=1&sa=N&tab=wl |title = I-78, New Jersey, United States |access-date = August 31, 2007 |link = no }}</ref> US&nbsp;22 now runs concurrently with I-78 for the next {{convert|15|mi|km}}. Going westbound, exit&nbsp;4 leaves to the right for [[County Route 637 (Warren County, New Jersey)|CR&nbsp;637]] and [[Warren Glen, New Jersey|Warren Glen]]. The next exit, exit&nbsp;6, is for [[County Route 632 (Warren County, New Jersey)|CR&nbsp;632]] in [[Bloomsbury, New Jersey|Bloomsbury]]. The route number is not signed on I-78. Exit&nbsp;7 in Bloomsbury is the first of several eastbound exits for Route&nbsp;173, which runs parallel the Interstate. {{convert|4|mi|km|spell=In}} later, exit&nbsp;11 leaves to the right as another exit for Route&nbsp;173. [[County Route 614 (Warren County, New Jersey)|CR&nbsp;614]] is located off the exit. Exit&nbsp;12 westbound is for Route&nbsp;173 again. Exit&nbsp;12 eastbound is for a [[frontage road]] paralleling I-78.

Exit&nbsp;13 is only westbound and is another exit for Route&nbsp;173. Nearby the exit, going eastbound, the frontage road merges in.<ref name="googlenj"/> Exit&nbsp;15 is for Route&nbsp;173 and [[County Route 513 (New Jersey)|CR&nbsp;513]] in [[Franklin Township, Hunterdon County, New Jersey|Franklin Township]]. Exit&nbsp;17 is for [[New Jersey Route 31|Route&nbsp;31]] in [[Clinton Township, New Jersey|Clinton Township]]. In [[Annandale, New Jersey|Annandale]], US&nbsp;22 leaves I-78 at exit&nbsp;18. US&nbsp;22 continues to [[Bound Brook, New Jersey|Bound Brook]] and [[Union County, New Jersey|Union County]]. At exit&nbsp;20, [[County Route 639 (Hunterdon County, New Jersey)|CR&nbsp;639]] intersects. CR&nbsp;639 heads to the [[Round Valley Reservoir]]. Exit&nbsp;24 is for [[County Route 523 (New Jersey)|CR&nbsp;523]] to [[Oldwick, New Jersey|Oldwick]]. At exit&nbsp;29, [[Interstate 287|I-287]], [[U.S. Route 202|US&nbsp;202]], and [[U.S. Route 206|US&nbsp;206]] interchange with I-78 in [[Bedminster, New Jersey|Bedminster]]. At this point, in [[Somerset County, New Jersey|Somerset County]], exits&nbsp;33, 36, and 40 are for county routes in [[Warren Township, New Jersey|Warren Township]]. At exit&nbsp;41, I-78 enters Union County<ref name="googlenj"/> and then passes through the [[Watchung Reservation]], where land bridges cross over the highway to allow for the safe passage of wildlife. At exit&nbsp;45, [[County Route 527 (New Jersey)|CR&nbsp;527]] intersects after paralleling for some time. West of exit&nbsp;48, I-78 splits into express and local highways. Exit&nbsp;48 is for [[New Jersey Route 24|Route&nbsp;24]] in [[Springfield Township, Union County, New Jersey|Springfield Township]]. Exit&nbsp;49A is for one of Route&nbsp;24's spur routes, [[New Jersey Route 124|Route&nbsp;124]]. Exit&nbsp;52 is for the [[Garden State Parkway]] in [[Union Township, Union County, New Jersey|Union Township]]. At exits&nbsp;57 and 58, [[New Jersey Route 21|Route&nbsp;21]], [[U.S. Route 1|US&nbsp;1]], [[U.S. Route 9|US&nbsp;9]], and US&nbsp;22 intersect I-78. The exit provides access to [[Newark Liberty International Airport]].

East of exit&nbsp;58 at the eastern tip of [[Newark, New Jersey|Newark]], I-78 becomes the Newark Bay Extension of the [[New Jersey Turnpike]]. Past the first toll plaza, I-78 has an interchange with [[Interstate 95|I-95]] (New Jersey Turnpike) and crosses [[Newark Bay]] via the [[Newark Bay Bridge]].<ref name="googlenj"/> The first exit, 14A, is for [[New Jersey Route 440|Route&nbsp;440]] in [[Bayonne, New Jersey|Bayonne]]. [[Liberty State Park]] can be reached by taking exit&nbsp;14B. Exit&nbsp;14C is the final numbered exit, providing access to the [[Liberty Science Center]]. [[New Jersey Route 139|Route&nbsp;139]] runs concurrently with I-78 along a [[one-way pair]] of surface streets as it approaches the [[Holland Tunnel]] and enters [[New York (state)|New York]] state.