Editing Pennsylvania Turnpike (section)

==Route description==
The turnpike runs west to east across Pennsylvania, from the [[Ohio]] state line in [[Lawrence County, Pennsylvania|Lawrence County]] to the [[New Jersey]] state line in [[Bucks County, Pennsylvania|Bucks County]]. It passes through the [[Pittsburgh]], [[Harrisburg, Pennsylvania|Harrisburg]], and [[Philadelphia]] areas, farmland and woodland. The highway crosses the [[Appalachian Mountains]] in central Pennsylvania, passing through four [[tunnel]]s. The [[Pennsylvania Turnpike Commission|PTC]], created in 1937 to construct, finance, operate, and maintain the road, controls the highway.<ref name=ptc1981/> In 2023, the turnpike had [[annual average daily traffic]] ranging from a high of 120,000&nbsp;vehicles (between the [[Norristown, Pennsylvania|Norristown]] interchange and the [[Fort Washington, Pennsylvania|Fort Washington]] interchange) to a low of 21,000, between [[Breezewood]] and the [[Carlisle, Pennsylvania|Carlisle]] interchange.<ref name=PennDOTTVMap>{{cite map |author = Pennsylvania Department of Transportation |title = Pennsylvania Traffic Volume Map |url = https://gis.penndot.pa.gov/BPR_PDF_FILES/MAPS/Traffic/Traffic_Volume/Statewide/Statewide_2023_tv.pdf |year = 2023 |publisher = Pennsylvania Department of Transportation |access-date = April 27, 2025}}</ref>

It is part of the [[National Highway System (United States)|National Highway System]],<ref name="NHS">{{cite map |author = [[Federal Highway Administration]] |title = National Highway System: Pennsylvania |format = PDF |url = https://www.fhwa.dot.gov/planning/national_highway_system/nhs_maps/pennsylvania/pa_pennsylvania.pdf |year = 2010 |publisher = Federal Highway Administration |access-date = October 14, 2012 }}</ref> a network of roads important to the U.S. economy, defense, and mobility.<ref>{{cite web |first1 = Stefan |last1 = Natzke |first2 = Mike |last2 = Neathery |first3 = Kevin |last3 = Adderly |url = https://www.fhwa.dot.gov/planning/national_highway_system/ |title = What is the National Highway System? |work = National Highway System |publisher = [[Federal Highway Administration]] |date = June 20, 2012 |access-date = July 1, 2012 |archive-url = https://web.archive.org/web/20120924215257/http://www.fhwa.dot.gov/planning/national_highway_system/ |archive-date = September 24, 2012 |url-status = live |name-list-style = amp }}</ref> The turnpike is a [[Blue Star Memorial Highway]], honoring those who have served in the [[United States Armed Forces]], and the Garden Club Federation of Pennsylvania has placed Blue Star Memorial Highway markers at its service plazas.<ref>{{cite web |title = History and Current Status of: The Blue Star Memorial Highways |publisher = National Remember our Troops Campaign |url = http://www.nrotc.org/blue.star.mem.hwy.htm |access-date = November 3, 2013 |archive-url = https://web.archive.org/web/20150106200020/http://www.nrotc.org/blue.star.mem.hwy.htm |archive-date = January 6, 2015 }}</ref><ref>{{Cite web |url = http://www.paturnpike.com/Press/2010/20100601094232.htm |title = Blue Star Marker to be Placed at New Stanton Service Plaza |publisher = Pennsylvania Turnpike Commission |date = June 1, 2010 |access-date = November 3, 2013 |archive-date = March 14, 2016 |archive-url = https://web.archive.org/web/20160314015741/https://www.paturnpike.com/Press/2010/20100601094232.htm |url-status = dead }}</ref> In addition to the east–west mainline, the PTC also operates the [[Pennsylvania Turnpike Northeast Extension|Northeast Extension]] (I-476), the Beaver Valley Expressway ([[Interstate 376|I-376]]), the [[Mon–Fayette Expressway]] (PA&nbsp;43), the Amos K. Hutchinson Bypass ([[Pennsylvania Route 66|PA&nbsp;66]]), and the Southern Beltway ([[Pennsylvania Route 576|PA&nbsp;576]]).<ref>{{cite map |author = Pennsylvania Turnpike Commission |title = TRIP Travel Conditions Map |publisher = Pennsylvania Turnpike Commission |url = http://www.paturnpike.com/webmap/toll.htm |access-date = September 21, 2014 |archive-date = September 22, 2014 |archive-url = https://web.archive.org/web/20140922070819/http://www.paturnpike.com/webmap/toll.htm |url-status = dead }}</ref>

===Western Extension===
[[File:Pennsylvania Turnpike westbound.jpg|thumb|right|alt=Cars and trucks on four-lane, divided highway|Westbound approaching the Pittsburgh interchange with I-376/US&nbsp;22 in Monroeville]]

The turnpike begins at the Ohio state line in Lawrence County, where it continues west as the [[Ohio Turnpike]]. From the state line, the highway heads southeast as a four-lane freeway ([[Interstate 76 (Ohio–New Jersey)|I-76]]) through rural areas south of [[New Castle, Pennsylvania|New Castle]]. A short distance from the Ohio line, the eastbound lanes pass the electronic Gateway toll gantry. The highway then reaches [[Beaver County, Pennsylvania|Beaver County]] and the first interchange with I-376 (the Beaver Valley Expressway) in [[Big Beaver, Pennsylvania|Big Beaver]].<ref name=patpmap>{{cite map |author = Pennsylvania Turnpike Commission |publisher = Pennsylvania Turnpike Commission |title = The Pennsylvania Turnpike Simplified Map |url = https://www.paturnpike.com/pdfs/travel/Mainline_Simple_Map_Printable.pdf |access-date = August 3, 2015 |archive-date = October 17, 2015 |archive-url = https://web.archive.org/web/20151017204351/https://www.paturnpike.com/pdfs/travel/Mainline_Simple_Map_Printable.pdf |url-status = dead }}</ref><ref name=gm>{{cite map |author = ((Google)) |author-link = Google |date = September 6, 2012 |map-url = https://maps.google.com/maps?saddr=I-76+E&daddr=I-276+E&hl=en&sll=40.117338,-74.831539&sspn=0.002203,0.005284&geocode=FW5CcAId9l0z-w%3BFRIjZAIdAi2K-w&t=h&mra=ls&z=7 |map = Overview of Pennsylvania Turnpike |title = [[Google Maps]] |publisher = Google |access-date = September 6, 2012 }}</ref><ref name=adc>{{cite book |author = [[ADC Map]] |title = Pennsylvania State Road Atlas |year = 2003 |location = Alexandria, Virginia |publisher = ADC Map |pages = 54–56, 68–78, 82–84 |isbn = 0875303714 }}</ref>

It then passes under [[Norfolk Southern Railway|Norfolk Southern]]'s Koppel Secondary rail line before the exit for [[Pennsylvania Route 18|PA&nbsp;18]] near [[Homewood, Pennsylvania|Homewood]], crossing [[CSX Transportation|CSX]]'s [[Pittsburgh Subdivision]] rail line, the [[Beaver River (Pennsylvania)|Beaver River]], and Norfolk Southern's Youngstown Line on the [[Beaver River Bridge]].<ref name=ptc1981>{{cite book |title = The Pennsylvania Turnpike |publisher = Pennsylvania Turnpike Commission |year = 1981 }}</ref><ref name=patpmap/><ref name=gm/> The road enters [[Butler County, Pennsylvania|Butler County]] and [[Cranberry Township, Butler County, Pennsylvania|Cranberry Township]],<ref name=adc/> where an interchange accesses [[Interstate 79|I-79]] and [[U.S. Route 19 in Pennsylvania|US&nbsp;19]]. It continues through rural land and suburban development north of Pittsburgh into [[Allegheny County, Pennsylvania|Allegheny County]].<ref name=gm/><ref name=adc/>

The turnpike approaches the [[Warrendale, Pennsylvania|Warrendale]] toll gantry (where the closed toll system begins) and continues southeast, passing over the CSX [[P&W Subdivision]] rail line operated by the [[Buffalo and Pittsburgh Railroad]] to an interchange with [[Pennsylvania Route 8|PA&nbsp;8]] in [[Hampton Township, Allegheny County, Pennsylvania|Hampton Township]]. The Allegheny Valley exit in [[Harmar Township, Allegheny County, Pennsylvania|Harmar Township]] accesses [[Pennsylvania Route 28|PA&nbsp;28]] via Freeport Road.<ref name=patpmap/><ref name=gm/> The road then heads south, with [[Canadian National Railway|Canadian National]]'s [[Bessemer and Lake Erie Railroad|Bessemer Subdivision]] rail line parallel on the east, before crossing Norfolk Southern's [[Conemaugh Line]], the [[Allegheny River]], and the [[Allegheny Valley Railroad]]'s Allegheny Subdivision line on the six-lane [[Allegheny River Turnpike Bridge]].<ref name=patpmap/><ref name=gm/><ref name=ppg102409/>

It returns to four lanes after the river crossing, passing through the [[Oakmont Country Club]] before a bridge over Canadian National's Bessemer Subdivision; rail tracks parallel the west side of the road before splitting further west. The highway heads southeast to [[Monroeville, Pennsylvania|Monroeville]], an eastern suburb of Pittsburgh; an interchange with the eastern terminus of I-376 and [[U.S. Route 22 in Pennsylvania|US&nbsp;22]] (the Penn–Lincoln Parkway) accesses Pittsburgh.<ref name=patpmap/><ref name=gm/> It traverses eastern Allegheny County before entering [[Westmoreland County, Pennsylvania|Westmoreland County]].<ref name=gm/><ref name=adc/> The turnpike then heads south and passes over Norfolk Southern's [[Pittsburgh Line]] before the exit for [[U.S. Route 30 in Pennsylvania|US&nbsp;30]] near [[Irwin, Pennsylvania|Irwin]].<ref name=patpmap/><ref name=gm/>

===Original mainline===
After the Irwin interchange, the turnpike widens to six lanes and heads into rural areas west of [[Greensburg, Pennsylvania|Greensburg]]. Curving southeast, it reaches [[New Stanton, Pennsylvania|New Stanton]] and an interchange for [[Interstate 70 in Pennsylvania|I-70]], [[U.S. Route 119 in Pennsylvania|US&nbsp;119]], and the southern terminus of PA&nbsp;66 (Amos K. Hutchinson Bypass). The road returns to four lanes there, and I-70 is concurrent with I-76. After New Stanton it passes over the [[Southwest Pennsylvania Railroad]]'s Radebaugh Subdivision line and winds southeast to the exit for [[Pennsylvania Route 31|PA&nbsp;31]] in [[Donegal, Pennsylvania|Donegal]], which accesses [[Pennsylvania Route 711|PA&nbsp;711]].<ref name=patpmap/><ref name=gm/> East of Donegal, the turnpike crosses the [[Laurel Hill (Pennsylvania)|Laurel Hill]] cut, and soon after enters [[Somerset County, Pennsylvania|Somerset County]].<ref name=gm/><ref name=adc/>

It continues southeast to [[Somerset, Pennsylvania|Somerset]] and an interchange with [[Pennsylvania Route 601|PA&nbsp;601]] accessing [[U.S. Route 219 in Pennsylvania|US&nbsp;219]] and [[Johnstown, Pennsylvania|Johnstown]] before crossing CSX's [[S&C Subdivision]] rail line. East of Somerset, the highway passes north of the [[Somerset Wind Farm]] before reaching [[Allegheny Mountain (Pennsylvania)|Allegheny Mountain]]<ref name=patpmap/><ref name=gm/> and its [[Allegheny Mountain Tunnel|tunnel]].<ref name=ptc1981/><ref name=patpmap/><ref name=gm/> The turnpike then winds down the mountain at a three-percent grade (its steepest)<ref name=gm/><ref name=dakelman63/><ref name=dakelman29/> into [[Bedford County, Pennsylvania|Bedford County]] through a valley.<ref name=adc/> In [[Bedford, Pennsylvania|Bedford]], an exit for [[U.S. Route 220 Business (Bedford, Pennsylvania)|US&nbsp;220&nbsp;Business]] (US&nbsp;220&nbsp;Bus.) accesses [[U.S. Route 220 in Pennsylvania|US&nbsp;220]], the southern terminus of [[Interstate 99 in Pennsylvania|I-99]], and [[Altoona, Pennsylvania|Altoona]].<ref name=patpmap/><ref name=gm/>

[[File:Breezewood Exit.jpg|thumb|alt=Two lanes of a four-lane highway, with two overhead signs|Eastbound at the Breezewood interchange, where I-70 splits from I-76]]

It passes through [[The Narrows (Pennsylvania)|the Narrows]], a {{convert|650|ft|m|adj=mid|-wide}} gap in [[Evitts Mountain]] east of Bedford, with US&nbsp;30 and the [[Raystown Branch Juniata River]].<ref name=gm/><ref name=dakelman63>{{harvp|Dakelman|Schorr|2004|p=63|ps=.}}</ref> The turnpike winds through a valley south of the river before traversing Clear Ridge Cut near [[Everett, Pennsylvania|Everett]].<ref name=patpmap/><ref name=gm/><ref name=dakelman31>{{harvp|Dakelman|Schorr|2004|p=31|ps=.}}</ref> In [[Breezewood, Pennsylvania|Breezewood]], I-70 leaves the turnpike at an interchange with US&nbsp;30 with some of the only [[traffic light]]s on an interstate highway.<ref name=patpmap/><ref name=gm/>

The turnpike then heads northeast across [[Rays Hill]] into [[Fulton County, Pennsylvania|Fulton County]],<ref name=gm/><ref name=adc/> continuing east across [[Sideling Hill]] to an interchange with [[U.S. Route 522|US&nbsp;522]] in [[Fort Littleton, Pennsylvania|Fort Littleton]] and paralleling US&nbsp;522 before curving east into [[Huntingdon County, Pennsylvania|Huntingdon County]].<ref name=gm/><ref name=adc/> It goes under [[Tuscarora Mountain]] through a [[Tuscarora Mountain Tunnel|tunnel]] into [[Franklin County, Pennsylvania|Franklin County]],<ref name=ptc1981/><ref name=gm/><ref name=adc/> curving northeast into a valley to the [[Pennsylvania Route 75|PA&nbsp;75]] exit in [[Willow Hill, Pennsylvania|Willow Hill]].<ref name=patpmap/><ref name=gm/>

The road then passes under Kittatinny Mountain through the [[Kittatinny Mountain Tunnel]] before entering the [[Blue Mountain Tunnel|tunnel]] under [[Blue Mountain (Pennsylvania)|Blue Mountain]].<ref name=ptc1981/><ref name=patpmap/><ref name=gm/> The turnpike heads northeast along the base of Blue Mountain to an exit for [[Pennsylvania Route 997|PA&nbsp;997]]<ref name=patpmap/><ref name=gm/> and enters [[Cumberland County, Pennsylvania|Cumberland County]], heading east through the [[Cumberland Valley]] on a stretch known as "the straightaway".<ref name=gm/><ref name=adc/><ref name=dakelman64>{{harvp|Dakelman|Schorr|2004|p=64|ps=.}}</ref> It then reaches [[Carlisle, Pennsylvania|Carlisle]] and an interchange with [[U.S. Route 11 in Pennsylvania|US&nbsp;11]], accessing [[Interstate 81 in Pennsylvania|I-81]].<ref name=patpmap/><ref name=gm/>

===Philadelphia Extension===
[[File:2022-07-31 12 16 28 View west along Interstate 76 (Pennsylvania Turnpike Philadelphia Extension) just west of Exit 320 in Charlestown Township, Chester County, Pennsylvania.jpg|right|thumb|alt=Two empty lanes of a highway, with wispy clouds|Westbound, past the PA&nbsp;29 interchange in Charlestown Township]]

The turnpike heads east through a mixture of rural land and suburban development approaching Harrisburg, passing over Norfolk Southern's Shippensburg Secondary rail line. In [[Upper Allen Township, Pennsylvania|Upper Allen Township]], the [[U.S. Route 15 in Pennsylvania|US&nbsp;15]] interchange accesses [[Gettysburg, Pennsylvania|Gettysburg]] on the south and Harrisburg on the north. The road passes over Norfolk Southern's [[Lurgan Branch]] rail line before entering [[York County, Pennsylvania|York County]] and the interchange with [[Interstate 83|I-83]] serving Harrisburg, its western suburbs, and [[York, Pennsylvania|York]] on the south.<ref name=patpmap/><ref name=gm/><ref name=adc/>

East of I-83, the turnpike widens to six lanes and crosses over Norfolk Southern's [[Port Road Branch]] rail line, the [[Susquehanna River]], [[Amtrak]]'s [[Philadelphia to Harrisburg Main Line|Keystone Corridor]] rail line, and Norfolk Southern's Royalton Branch rail line on the [[Susquehanna River Bridge]]. In [[Dauphin County, Pennsylvania|Dauphin County]], the road is a bypass south of Harrisburg.<ref name=gm/><ref name=adc/><ref name=pn51807/>

An interchange with the southern end of [[Interstate 283|I-283]] and the western end of [[Pennsylvania Route 283|PA&nbsp;283]] serves Harrisburg's eastern suburbs in [[Lower Swatara Township, Pennsylvania|Lower Swatara Township]] and [[Harrisburg International Airport]]; PTC headquarters are adjacent to the interchange. The road returns to four lanes through suburban development north of [[Middletown, Dauphin County, Pennsylvania|Middletown]], passing over the [[Middletown and Hummelstown Railroad]] and [[Swatara Creek]] into rural areas.<ref name=patpmap/><ref name=gm/> and crossing a corner of [[Lebanon County, Pennsylvania|Lebanon County]] before entering [[Lancaster County, Pennsylvania|Lancaster County]].<ref name=adc/>

The highway passes through [[Pennsylvania Dutch Country]]<ref name=dakelman94>{{harvp|Dakelman|Schorr|2004|p=94|ps=.}}</ref> to an interchange with [[Pennsylvania Route 72|PA&nbsp;72]], accessing [[Lebanon, Pennsylvania|Lebanon]] on the north and [[Lancaster, Pennsylvania|Lancaster]] on the south. It passes over an [[East Penn Railroad]] line in [[Denver, Pennsylvania|Denver]] before an indirect interchange with [[U.S. Route 222|US&nbsp;222]], which serves [[Reading, Pennsylvania|Reading]] and Lancaster. The route continues into [[Berks County, Pennsylvania|Berks County]] to an interchange with the southern terminus of [[Interstate 176|I-176]] (a freeway to Reading) and [[Pennsylvania Route 10|PA&nbsp;10]] in [[Morgantown, Pennsylvania|Morgantown]] which accesses [[Pennsylvania Route 23|PA&nbsp;23]].<ref name=patpmap/><ref name=gm/><ref name=adc/>

The turnpike enters [[Chester County, Pennsylvania|Chester County]], running southeast<ref name=patpmap/><ref name=gm/><ref name=adc/> to an exit for [[Pennsylvania Route 100|PA&nbsp;100]] north of [[Downingtown, Pennsylvania|Downingtown]] and the western suburbs of Philadelphia; an interchange with [[Pennsylvania Route 29|PA&nbsp;29]] is near [[Malvern, Pennsylvania|Malvern]].<ref name=patpmap/><ref name=gm/> In [[Montgomery County, Pennsylvania|Montgomery County]] is the [[Valley Forge, Pennsylvania|Valley Forge]] interchange in [[King of Prussia, Pennsylvania|King of Prussia]], where I-76 splits from the turnpike and heads southeast as the Schuylkill Expressway toward Philadelphia; this interchange accesses [[U.S. Route 202 in Pennsylvania|US&nbsp;202]] and [[U.S. Route 422|US&nbsp;422]].<ref name=patpmap/><ref name=gm/><ref name=adc/>

===Delaware River Extension===
{{infobox road small
|state=PA
|type=I
|route=276
|location=[[Upper Merion Township, Pennsylvania|Upper Merion Township]]–[[Bristol Township, Pennsylvania|Bristol Township]]
|length_mi=29.78
|length_ref=<ref name="fhwa">{{cite web |url = https://www.fhwa.dot.gov/planning/national_highway_system/interstate_highway_system/routefinder/?redirect |title = Route Log – Auxiliary Routes of the Eisenhower National System Of Interstate and Defense Highways – Table 2 |publisher = Federal Highway Administration |date = October 31, 2002 |access-date = October 17, 2012 }}</ref>
|length_round=2
|formed=1964
}}
[[File:2022-08-11 17 51 06 View east along Interstate 276 (Pennsylvania Turnpike Delaware River Extension) just east of Interstate 476 (Pennsylvania Turnpike Northeast Extension) in Whitemarsh Township, Montgomery County, Pennsylvania.jpg|thumb|alt=Another stretch of road with sign, photographed from the shoulder|Eastbound, past the Mid-County Interchange with I-476 in Plymouth Meeting]]

At the Valley Forge interchange, the turnpike is designated I-276 and becomes a six-lane suburban commuter highway.<ref name=patpmap/><ref name=gm/><ref name=dakelman123>{{harvp|Dakelman|Schorr|2004|p=123|ps=.}}</ref> It crosses a bridge over [[SEPTA]]'s [[Norristown High Speed Line]] and runs parallel to Norfolk Southern's [[Dale Secondary]] rail line, south of the road. The turnpike crosses Norfolk Southern's [[Harrisburg Line]], the [[Schuylkill River]], and SEPTA's [[Manayunk/Norristown Line]] on the [[Schuylkill River Bridge]] near [[Norristown, Pennsylvania|Norristown]]. The road crosses the [[Schuylkill River Trail]] and Norfolk Southern's Morrisville Connecting Track on the Schuylkill River Bridge before the parallel Dale Secondary rail line runs south.<ref name=ptc1981/><ref name=patpmap/><ref name=gm/>

In [[Plymouth Meeting, Pennsylvania|Plymouth Meeting]], an interchange with [[Germantown Pike]] accesses Norristown before the Mid-County Interchange. This interchange connects to [[Interstate 476|I-476]], which runs south as the Mid-County Expressway (locally known as the Blue Route) and north as the [[Pennsylvania Turnpike Northeast Extension|Northeast Extension]] connecting the mainline to the [[Lehigh Valley]] and the [[Pocono Mountains]].<ref name=patpmap/><ref name=gm/>

After the Mid-County Interchange, the mainline runs east through Philadelphia's northern suburbs. In [[Fort Washington, Pennsylvania|Fort Washington]], it passes over SEPTA's [[Lansdale/Doylestown Line]] before an interchange with [[Pennsylvania Route 309|PA&nbsp;309]]. The road then parallels Norfolk Southern's [[Morrisville Line]], a short distance south. {{convert|1|mi|km|spell=In}} later is a westbound exit and entrance for Virginia Drive. In [[Willow Grove, Pennsylvania|Willow Grove]], it reaches the [[Pennsylvania Route 611|PA&nbsp;611]] exit before crossing SEPTA's [[Warminster Line]].<ref name=patpmap/><ref name=gm/> The turnpike continues through suburban areas, entering Bucks County and a bridge over Norfolk Southern's Morrisville Line<ref name=gm/><ref name=adc/> before crossing SEPTA's [[West Trenton Line]]. In [[Bensalem Township, Pennsylvania|Bensalem Township]] is a bridge over CSX's [[Trenton Subdivision (CSX Transportation)|Trenton Subdivision]] rail line before an interchange with [[U.S. Route 1 in Pennsylvania|US&nbsp;1]], which accesses Philadelphia.<ref name=patpmap/><ref name=gm/>

[[File:PA TPK WB from Gravel Hill Road overpass.jpeg|thumb|alt=Straight, lightly traveled section of six-lane highway|Westbound in [[Upper Southampton Township, Bucks County, Pennsylvania|Upper Southampton Township]]]]

The highway returns to four lanes before an eastbound exit and entrance for [[Pennsylvania Route 132|PA&nbsp;132]]. It then reaches the east end of the closed toll system at the [[Neshaminy Falls, Pennsylvania|Neshaminy Falls]] toll gantry. The road reaches a partial interchange with [[Interstate 95 in Pennsylvania|I-95]], where it crosses under [[Interstate 295 (Delaware–Pennsylvania)|I-295]]; I-295 access is from the westbound turnpike to southbound I-95 and from northbound I-95 to the eastbound turnpike. At this point, I-276 ends and the turnpike becomes part of I-95; signage indicates the westbound turnpike as a left exit from southbound I-95, using I-95 milepost exit number&nbsp;40.<ref name=patpmap/><ref name=gm/>

After joining I-95, the remaining {{convert|3|mi|km|spell=in}} of road uses I-95's mileposts and exit numbers and is not signed as the Pennsylvania Turnpike (although it is still considered part of the mainline). The turnpike reaches its final interchange, accessing [[U.S. Route 13 in Pennsylvania|US&nbsp;13]] near [[Bristol, Pennsylvania|Bristol]]. The road crosses an East Penn Railroad line before the westbound all-electronic Delaware River Bridge toll gantry.<ref name=patpmap/><ref name=gm/> It crosses the [[Delaware Canal]] and Amtrak's [[Northeast Corridor]] rail line before crossing the [[Delaware River]] into New Jersey on the [[Delaware River–Turnpike Toll Bridge]].<ref name=ptc1981/><ref name=patpmap/><ref name=gm/> The Pennsylvania Turnpike ends and I-95 continues east (north) as the [[Pearl Harbor Memorial Turnpike Extension|Pearl Harbor Memorial Extension]] of the [[New Jersey Turnpike]], which connects to the mainline New Jersey Turnpike.<ref name=patpmap/><ref name=gm/><ref name="095sld">{{cite web |url = http://www.state.nj.us/transportation/refdata/sldiag/00000095__-.pdf |title = Interstate 95 straight line diagram |publisher = New Jersey Department of Transportation |access-date = March 26, 2007 }}</ref>

===Major bridges and tunnels===
[[File:I-76 Blue Mountain and Kittatinny Tunnels Aerial (51145383367).jpg|thumb|alt=See caption|Aerial view of the [[Blue Mountain Tunnel|Blue Mountain]] and [[Kittatinny Mountain Tunnel|Kittatinny Mountain]] tunnels. The six-degree curve near the Blue Mountain Tunnel eastern portal was replaced during the early 2010s.]]
[[File:Allegheny Mountain Tunnel.JPG|thumb|right|alt=Two tunnel entrances (two lanes in each direction)|West portal of the Allegheny Mountain Tunnel]]

The turnpike has several major bridges and tunnels. Four tunnels cross central Pennsylvania's Appalachian Mountains. The {{Convert|6070|ft|m|adj=on}} [[Allegheny Mountain Tunnel]] passes under Allegheny Mountain in Somerset County. The [[Tuscarora Mountain Tunnel]] runs beneath Tuscarora Mountain at the border of Huntingdon and Franklin counties, and is {{Convert|5236|ft|m}} long. The [[Kittatinny Mountain Tunnel|Kittatinny Mountain]] and [[Blue Mountain Tunnel|Blue Mountain]] tunnels are adjacent to each other in Franklin County and are {{Convert|4727|ft|m}} and {{Convert|4339|ft|m}} long, respectively.<ref name=ptc1981/><ref name=patpmap/> The turnpike had also traveled through the [[Laurel Hill Tunnel]], [[Sideling Hill Tunnel]], and [[Rays Hill Tunnel]]; they were replaced during the 1960s as they were obsolete.

Five bridges carry the turnpike over major rivers. The {{Convert|1545|ft|m|adj=mid|-long}} [[Beaver River Bridge]], which is being replaced, crosses the Beaver River in Beaver County.<ref name=ptc1981/><ref name=patpmap/> The highway crosses the Allegheny River in Allegheny County on the {{Convert|2350|ft|m|adj=mid|-long}} [[Allegheny River Turnpike Bridge]], which replaced a 1951 deck [[truss bridge]] with the same name.<ref name=patpmap/><ref name=ppg102409/> It crosses the Susquehanna River between York and Dauphin Counties on the {{Convert|5910|ft|m|adj=mid|-long}} [[Susquehanna River Bridge]], which also replaced an early-1950s deck truss bridge.<ref name=patpmap/><ref name=pn51807/> The turnpike crosses the Schuylkill River on the {{Convert|1224|ft|m|adj=mid|-long}} [[Schuylkill River Bridge]] in Montgomery County, which was twinned in the 2000s. At the New Jersey state line in Bucks County, the highway is connected to the Pearl Harbor Memorial Extension of the New Jersey Turnpike by the {{Convert|6571|ft|m|adj=mid|-long}} [[Delaware River–Turnpike Toll Bridge]] over the Delaware River.<ref name=ptc1981/><ref name=patpmap/>