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Interstate 476 (I-476) is a 132.1-mile (212.6 km) auxiliary Interstate Highway of I-76 in the U.S. state of Pennsylvania. The highway runs from I-95 near Chester north to I-81 near Scranton, serving as the primary north–south Interstate corridor through eastern Pennsylvania. It consists of both the 20-mile (32 km) Mid-County Expressway, locally referred to as the "Blue Route", through Delaware and Montgomery counties in the suburban Philadelphia area, and the tolled, 110.6-mile (178.0 km) Northeast Extension of the Pennsylvania Turnpike, which connects the Delaware Valley with the Lehigh Valley, the Pocono Mountains, and the Wyoming Valley to the north.
 Interstate 476 | ||||||||||
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 I-476 highlighted in red | ||||||||||
| Route information | ||||||||||
| Auxiliary route of I-76 | ||||||||||
| Maintained by PennDOT and PTC | ||||||||||
| Length | 132.10 mi[1][2][3] (212.59 km) | |||||||||
| History | Established 1970 Completed on December 16, 1992[2] | |||||||||
| Tourist routes | Blue Route Scenic Byway | |||||||||
| NHS | Entire route | |||||||||
| Restrictions | No hazardous goods in Lehigh Tunnel | |||||||||
| Major junctions | ||||||||||
| South end |  I-95 in Woodlyn | |||||||||
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| North end |    I-81 / US 6 / US 11 near Clarks Summit | |||||||||
| Location | ||||||||||
| Country | United States | |||||||||
| State | Pennsylvania | |||||||||
| Counties | Delaware, Montgomery, Bucks, Lehigh, Carbon, Luzerne, Lackawanna | |||||||||
| Highway system | ||||||||||
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The Mid-County Expressway passes through suburban areas, while the Northeast Extension predominantly runs through rural areas of mountains, forest, and farmland, with development closer to Philadelphia and in the Lehigh Valley and the Wyoming Valley. I-476 intersects many major roads, including I-76 (Schuylkill Expressway) in West Conshohocken, I-276 (Pennsylvania Turnpike) in Plymouth Meeting, U.S. Route 22 (US 22) near Allentown, and I-80 near Hickory Run State Park.
At its opening in 1979, I-476 was a three-mile-long (4.8 km), four-lane spur expressway connecting the Schuylkill Expressway with Chemical Road in Plymouth Meeting. The highway expanded the capacity for travel between King of Prussia, the Schuylkill Expressway, the Philadelphia Main Line, and Philadelphia suburbs to the city's north and in South Jersey. The highway was initially planned to connect down to I-95 in Delaware County. This portion of the highway opened in 1991.
In 1996, the I-476 designation was affixed to the preexisting Northeast Extension of the Pennsylvania Turnpike, replacing Pennsylvania Route 9 (PA 9). This was an older four-lane pre-Interstate limited-access highway that opened in sections between 1955 and 1957. Of earlier design, its cross section was very narrow, with only 4 feet (1.2 m) between opposing lanes of traffic in places. This extended I-476 north of Plymouth Meeting to Clarks Summit (near Scranton) as a part of the Pennsylvania Turnpike system. I-476 connected to the Northeast Extension at a state-of-the-art three-level interchange. This provided direct access to both I-276 east and I-476 north, now on the Northeast Extension.
With the redesignation of the Northeast Extension, I-476 surpassed I-495 in Massachusetts as the nation's longest auxiliary Interstate Highway. I-476 was widened to six lanes from the Mid-County Interchange to south of Quakertown between 2011 and 2020.
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Mid-County Expressway
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The portion of I-476 between I-95 and the Pennsylvania Turnpike (I-276) runs north–south through Delaware and Montgomery counties and is officially known as the Mid-County Expressway and the Veterans Memorial Highway, as well as by the nickname the "Blue Route". The road's southern terminus is at a directional T interchange with I-95 near Chester, southwest of Philadelphia in Delaware County, near Philadelphia International Airport.[4]
Heading north, the road passes under CSX's Philadelphia Subdivision rail line and has an interchange with MacDade Boulevard in Woodlyn, where it narrows to a four-lane parkway that runs parallel to the Crum Creek. It winds through the western Philadelphia suburbs of Wallingford and Swarthmore, where I-476 passes under SEPTA's Media/Wawa Line and comes to a diamond interchange with Baltimore Pike just west of Springfield. From here, the freeway crosses over SEPTA's light rail Media–Sharon Hill Line and continues north to Springfield, where it meets US 1 at a three-level diamond interchange.[4]
Past US 1, the parallel Crum Creek splits to the northwest and I-476 continues through wooded suburban areas. Along this stretch, the road briefly gains a southbound truck lane. The freeway comes to a partial cloverleaf interchange with PA 3 in Broomall, where it widens to six lanes.[4] The route continues to Radnor Township, which is part of the Philadelphia Main Line suburbs, reaching an interchange with US 30 west of Villanova.[4] Stone monuments, including a large stone cairn atop a hill and a large crushed-stone image of a mythological griffin on a hillside, were constructed at the US 30 interchange to commemorate Radnor's history as part of the Welsh Tract.[5] Proceeding northward, the road passes over SEPTA's Norristown High Speed Line before it crosses under Amtrak's Keystone Corridor rail line.
The route enters Montgomery County and comes to an interchange with I-76 (Schuylkill Expressway) in West Conshohocken that also has access to PA 23. After crossing over Norfolk Southern's Harrisburg Line, the Schuylkill River, SEPTA's Manayunk/Norristown Line, and the Schuylkill River Trail on the Pearl Harbor Memorial Bridge, the freeway heads into Plymouth Township. In Plymouth Township, the route has interchanges with Ridge Pike and Chemical Road before passing over Norfolk Southern's Morrisville Line and reaching an interchange serving Germantown Pike and Plymouth Road in Plymouth Meeting.[4][6] The entire length of the Blue Route is designated the Blue Route Scenic Byway, a Pennsylvania Scenic Byway.[7]
Northeast Extension
 Pennsylvania Turnpike Northeast Extension | |
|---|---|
| Location | Plymouth Meeting–Clarks Summit |
| Length | 111.04 mi[8] (178.70 km) |
| Existed | 1955–present |
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In Plymouth Meeting, I-476 comes to the Mid-County Interchange, where it enters the Pennsylvania Turnpike system and has a mainline toll plaza before coming to an interchange with I-276, which follows the mainline of the Pennsylvania Turnpike, heading north from here as the six-lane Northeast Extension of the Pennsylvania Turnpike. The route continues through the Philadelphia suburbs, passing over CSX's Stony Creek Branch rail line, and reaches an interchange with PA 63 west of Lansdale that serves the North Penn Valley region. Past this interchange, the route enters a more rural setting of woods and farms, narrowing to four lanes before crossing into Bucks County and coming to an interchange with PA 663 west of Quakertown. The Northeast Extension continues northwest into Lehigh County, part of the Lehigh Valley metropolitan area, past the PA 663 interchange. The road passes over Norfolk Southern's Reading Line. The route has ramps to the dual-access Allentown Service Plaza in Upper Macungie Township, and, just north of it, I-476 reaches an interchange with US 22 (Lehigh Valley Thruway) west of Allentown, which offers an indirect connection to I-78 and PA 309.[4]
North of Allentown, the route crosses under Norfolk Southern's Catasauqua and Fogelsville Railroad line and runs through farmland with some development. The road passes under Blue Mountain in the Lehigh Tunnel and enters Carbon County in the Pocono Mountains region. Here, I-476 crosses over the Lehigh River and Norfolk Southern's Lehigh Line before it has an interchange with US 209 east of Lehighton. Continuing through mountainous areas, the route has ramps to the dual-access Hickory Run Service Plaza prior to coming to a diamond interchange with PA 903 in Penn Forest Township. Past here, I-476 cuts through Hickory Run State Park before reaching an interchange with PA 940 providing a connection to I-80 just to the north of the state park in Kidder Township.[4]
The route continues through mountainous terrain, heading into Luzerne County at a crossing of the Lehigh River and coming to an interchange with PA 115 in Bear Creek that provides access to nearby Wilkes-Barre.[4] The route comes to a mainline toll plaza near Pittston that marks the northern end of the closed toll system along the Northeast Extension.[4][9]
A short distance later, an interchange with PA 315 provides indirect access to I-81 and Scranton.[4] Past this interchange, I-476 crosses under a Luzerne and Susquehanna Railway line before it enters Lackawanna County. Here, the route has a bridge over a Luzerne and Susquehanna Railway line and heads through built-up areas of the Wyoming Valley as it skirts around Scranton, passing under I-81 before coming to a bridge over Norfolk Southern's Sunbury Line, the Lackawanna River, and a Reading Blue Mountain and Northern Railroad line. I-476 reaches a mainline all-electronic toll plaza and an exit to Keyser Avenue in Taylor.
North of Scranton in Clarks Summit, the route crosses a valley on the 1,630-foot-long (500 m), 163-foot-high (50 m) John E. Fitzgerald Memorial Bridge,[10] passing over Norfolk Southern's Sunbury Line, US 6/US 11, and PA 407. Past the bridge, I-476 comes to a hairpin curve and reaches a mainline all-electronic toll plaza before it ends at an interchange with connections to I-81, US 6, and US 11. US 6 joins the turnpike for less than 0.25 miles (0.40 km) to connect between I-81 and US 11. As this is beyond the Clarks Summit toll plaza, no toll is collected on this short segment.[6]
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The Northeast Extension of the Pennsylvania Turnpike uses all-electronic tolling, with tolls payable by toll by plate, which uses automatic license plate recognition to take a photo of the vehicle's license plate and mail a bill to the vehicle owner, or E-ZPass. Tolls along the section between the Mid-County and Wyoming Valley toll plazas, along with the mainline Pennsylvania Turnpike between Warrendale and Neshaminy Falls, are based on distance traveled. Mainline toll plazas are also located at Keyser Avenue and Clarks Summit, charging a flat rate using toll by plate or E-ZPass.
There are no tolls on exit ramps between Wyoming Valley and Clarks Summit. As of 2024[update], it costs a passenger vehicle $26.20 to travel the length of the Northeast Extension between Mid-County and Wyoming Valley using toll by plate and $12.80 using E-ZPass. The Keyser Avenue and Clarks Summit toll plazas cost $3.20 using toll by plate and $1.50 using E-ZPass for passenger vehicles.[11]
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Emergency assistance and information
The Northeast Extension formerly had a call box every mile (1.6 km) for its entire length.[12] In September 2017, the turnpike commission began removing the call boxes due to increased mobile phone usage making the call boxes obsolete.[13] Motorists may also dial *11 on their mobile phones. First responder services are available to all turnpike customers via the GEICO Safety Patrol program. The safety patrol program, which is free, looks for disabled motorists, debris, and accidents along the roadway and provides assistance. The patrol service is available 24 hours every day of the year. Each patrol vehicle covers a 20-to-25-mile (32 to 40 km) stretch of the turnpike.[14][15] Towing services are available from authorized service garages located near the highway.[16] Pennsylvania State Police Troop T patrols the Pennsylvania Turnpike Northeast Extension. It has headquarters in Highspire (along the mainline turnpike) and a substation along the Northeast Extension at Pocono.[17]
The Pennsylvania Turnpike Commission (PTC) broadcasts current roadway, traffic, and weather conditions via highway advisory radio transmitters at each exit. Broadcasts are available on 1640 kHz AM and can be received approximately two miles (3.2 km) away from each exit.[18] The 511PA travel information service provides alerts, an interactive map, weather information, and traffic cameras to motorists. There are variable-message signs located along the roadway that provide information to motorists such as accidents, construction, weather, and traffic congestion.[19]
Service plazas
The Northeast Extension of the Pennsylvania Turnpike has two service plazas at Allentown and Hickory Run, which are accessible by both northbound and southbound traffic. The service plazas offer multiple fast-food restaurants, a Sunoco gas station, and a 7-Eleven convenience store. Other amenities are available such as an ATM, E-ZPass sales, free cellphone charging, Pennsylvania Lottery sales, picnic areas, restrooms, tourist information, Travel Board information centers, and Wi-Fi. The Allentown plaza contains a seasonal farmers' market. Both plazas offer conventional gasoline and diesel fuel. The Sunoco and 7-Eleven locations are operated by 7-Eleven itself while the restaurants and general upkeep of the service plazas are operated by Applegreen.[20]
In 2006, HMSHost was awarded a contract to reconstruct the service plazas along the turnpike.[21] The reconstruction of the service plazas, which was to cost more than $150 million (equivalent to $218 million in 2023[22]), included a food court layout and modernized restrooms. The Allentown service plaza was rebuilt between September 2007 and May 2008 while the Hickory Run service plaza was rebuilt between January 2009 and November 2010.[23]
The Art Sparks program was launched in 2017 as a partnership between the turnpike commission and the Pennsylvania Council on the Arts to install public art created by local students in the Arts in Education residency program in service plazas along the turnpike over the next five years. The public art consists of a mural reflecting the area where the service plaza is located.[24][25]
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Mid-County Expressway
.svg){kind=small} Interstate 495 | |
|---|---|
| Location | Woodlyn–Plymouth Meeting |
| Existed | 1956–1958 |
.svg){kind=small} Interstate 480 | |
|---|---|
| Location | Woodlyn–Plymouth Meeting |
| Existed | 1958–1964 |
Originally planned as far back as 1929, the Mid-County Expressway was later proposed by the Pennsylvania Turnpike Commission as the "Chester Extension" of the Pennsylvania Turnpike in 1954. After the advent of the Interstate Highway System, the project was transferred to the Pennsylvania Department of Highways to be built as part of the system, designating it first as Interstate 495 (I-495) and later as Interstate 480 (I-480), as I-76 was designated as I-80S at the time. The present-day I-476 designation was assigned on February 6, 1964, when I-80S was renumbered as I-76.[26]
The road received its nickname from a 1958 location report indicating various proposed geographic configurations of an expressway through Delaware County with lines of various colors on a map. The "blue route" through the Crum Creek valley won out over other contenders, which included a more easterly "red route" and "yellow route" and a more westerly "green route".[27]
As one of the most controversial Interstate Highways in Pennsylvania, construction of I-476 began in 1967 but would take decades to build due to litigation between the Pennsylvania Department of Transportation (PennDOT) and several communities in the road's path over environmental concerns. Two sections of the road in Radnor Township and in Lower Merion Township were built in 1970 but remained closed to traffic as they did not connect to any other roads. The section of I-476 between I-76 and Chemical Road opened to traffic in 1979 while the section between I-95 and MacDade Boulevard opened to traffic in August 1988. The road opened between Chemical Road and Plymouth Road in August 1991 while the final section of I-476 between MacDade Boulevard and I-76 was opened in December 1991.[27]
An agreement in 1985 led to many environmental compromises in the road's design, including a downsized four-lane design south of PA 3 (although a part of the span between exits 9 and 5 has a third truck lane on the southbound side), ramp meters, and scenic route status, prohibiting the erection of advertisement billboards along the entire freeway portion. The Radnor Gateway Enhancement Strategy was implemented to install large scale sculpture elements by artist William P. Reimann, most notably the stone griffin and cairn at exit 13.[28] While the redesigned highway was largely well-received, the constriction to four lanes has led to bottleneck conditions in the area, and many communities that originally opposed the road have now called for its widening.[29] The Philadelphia Inquirer dubbed I-476 "the most costly, most bitterly opposed highway in Pennsylvania history" due to the decades of opposition it garnered.[30] On December 15, 1992, the final portion of the road was opened.
In the 2000s, the road underwent a rehabilitation project, including paving, bridge repair, and ramp maintenance of the entire length of the freeway between I-95 and the Pennsylvania Turnpike. The section between I-95 and PA 3 was repaved in 2005 while the section between PA 3 and I-76 was repaved in 2007.[31] The section between I-76 and I-276, which was completely reconstructed, was finished in the end of 2011.[32]
PennDOT has plans to improve I-476 to reduce traffic congestion. Smart technology will be added to detect traffic congestion. The first phase will add variable speed limits that can change based on weather and congestion, new ramp meters, and electronic signs. The left shoulders of the roadway between I-95 and PA 3 will be widened and used as a third travel lane during peak traffic periods. Construction on the smart technology is underway while construction of the third lane is expected to begin in 2026. This improvement project is planned to be completed in 2030.[33]
Northeast Extension
In 1953, an extension of the Pennsylvania Turnpike from the mainline near Plymouth Meeting north through Northeastern Pennsylvania to the New York state line near Binghamton, New York, was proposed.[34][35] Groundbreaking for the Northeastern Extension occurred on March 25, 1954, in White Haven, with Governor John S. Fine and commission chair Thomas J. Evans present. The Northeast Extension was planned to run from the mainline Pennsylvania Turnpike in Plymouth Meeting north to a temporary terminus at Scranton.[36] In April 1954, $233 million (equivalent to $2.1 billion in 2023[22]) in bonds were issued to build the Northeastern Extension along with the Delaware River–Turnpike Toll Bridge on the mainline Pennsylvania Turnpike.[37] The Northeast Extension was built with a four-foot (1.2 m) median in order to save money.[38] Due to the mountainous terrain it passed through, a large amount of earthwork was necessary to build the road along with the construction of large bridges.[39] Among the bridges built was the 1,630-foot-long (500 m) Clarks Summit Bridge (since renamed for John J. Fitzgerald, Turnpike engineer and superintendent) over US 6/US 11, which at the time was the tallest bridge on the Pennsylvania Turnpike system at 135 feet (41 m).[10][40] The Northeast Extension also included the two-lane Lehigh Tunnel under Blue Mountain. The tunnel was originally going to be named for commission chair Evans but was changed when he was convicted of conspiracy to defraud the commission of $19 million (equivalent to $133 million in 2023[22]).[39] The road was opened between the Plymouth Meeting Interchage and the Lehigh Valley Interchange on November 23, 1955. The highway was extended north to a temporary interchange at Emerald on December 28 of that year.[41] The Northeast Extension was opened between Emerald and Wyoming Valley on April 1, 1957.[42] The entire length of the Northeast Extension was finished on November 7, 1957, with the completion of the northernmost part between Wyoming Valley and Scranton.[43] The part of the Northeast Extension between Scranton and the New York state line was not built as part of the Pennsylvania Turnpike system but rather the Interstate Highway System as I-81.[44][45] At the northern terminus, the Northeast Extension narrowed to two lanes along the northbound offramp at Scranton to come to its northern terminus, with an abandoned short spur of the mainline heading north. A pair of trumpet interchanges were built to connect the Northeast Extension and I-81.[45]
On April 14, 1969, a project which replaced the old median with a jersey barrier was completed.[46]
 Pennsylvania Route 9 | |
|---|---|
| Location | Plymouth Meeting–Clarks Summit |
| Length | 111.04 mi[8] (178.70 km) |
| Existed | 1974–1996 |
In 1974, the roadway was designated PA 9.[47][48][49]
The tickets along the Northeast Extension of the Pennsylvania Turnpike were originally handed out by person. In 1987, machines replaced humans in distributing them.[50]
Plans to build both the Mid County Interchange and Mid County Toll Plaza were made, the latter would connect to I-476 (Mid-County Expressway), and the former to the mainline. The PTC approved a contract to build the interchange in March 1989.[51] The New Interchange would replace the untolled interchange which had served as the northern terminus of the Northeast Extension, which would instead be at the new plaza.[52] That June, a losing bidder decided to challenge the turnpike commission, saying it violated female and minority contracting rules regarding the percentage of these employees that were used for the project. Under this rule, bidders were supposed to have at least 12 percent of contracts to minority-owned companies and at least four percent to female-owned companies. The losing bidder had 12.4 percent of the contracts to minority companies and 4.2 percent to female-owned companies while the winning bidder had 6.1 percent and 3.7 percent respectively. The turnpike commission decided to rebid the contract but was sued by the original contractor. This dispute delayed the construction of the interchange.[53] The contract was rebid in November 1989 after the Supreme Court of Pennsylvania permitted it.[54] The interchange between I-476 and the turnpike mainline was completed in November 1992; the ramps to the Northeast Extension opened a month later.[55][56] An official ribbon-cutting took place on December 15, 1992.[57]
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When it first opened, traffic on the Northeast Extension of the Pennsylvania Turnpike was light.[38] By the 1970s, traffic along the roadway increased with the completion of the connecting I-80 and the rising popularity of the Pocono Mountains as a vacation destination. As a result, the two-lane Lehigh Tunnel faced serious congestion. Plans were made to either bypass the tunnel or add a second tube. The turnpike commission decided it would build a second tunnel as the cost was lower than building a bypass.[58] In 1988, a $37-million (equivalent to $82.3 million in 2023[22]) contract was awarded to build the second tube.[59] Groundbreaking for the tunnel took place on February 14, 1989, with Governor Robert P. Casey in attendance.[60] Excavation of the new tunnel began in July of that year. Construction of the second tube utilized the New Austrian tunneling method, which reduced the cost of the tunnel by $5 million to $6 million (equivalent to $11.1 million to $13.3 million in 2023[22]). It was the first tunnel in the US to use this construction method. The second tube at Lehigh Tunnel opened on November 22, 1991, with Governor Casey in attendance leading a line of antique cars. Construction of the tunnel cost $45 million (equivalent to $89.8 million in 2023[22]). The new tube is used for southbound traffic while the original tube carries northbound traffic. The newer tunnel is wider, higher, and brighter than the original.[61]
On March 19, 1991, work began on a project to build the Wyoming Valley Toll Barrier on the Northeast Extension. The new plaza became the new end of the ticket system, while the Clarks Summit Toll Plaza was converted into a coin drop plaza and the Scarton Interchange renamed the Wyoming Valley Interchange and renumbered exit 39 from exit 38, this was to allow for construction of an interchange with Keyser Avenue to take advantage of the new tolling structure, witch began in February 1992.[46] The Wyoming Valley Toll Barrier was completed on November 27, 1992, when the section reopened. Later in December, coin dropping machines were installed at the Clarks Summit Plaza, toll collectors had temporarily been assigned that job.[62] On February 1, 1995, work was completed on the Keyster Avenue Interchange and Keyser Avenue Toll Barrier. The entire project had costed $22.4 million (equivalent to $40.9 million in 2023[22]).[63]
On November 1, 1996, the Northeast Extension was added to the Interstate Highway System as a northern extension of I-476, replacing the PA 9 designation along the road. The new guardrails and line striping were necessary for the toll road to become an Interstate. It was hoped that the Interstate designation would bring economic development and tourism to the areas served by the roadway.[64] This extension resulted in I-476 surpassing the 120-mile (190 km) I-495 in Massachusetts as the longest auxiliary Interstate Highway,[65] though it could be contested for this title in the future by I-369 in Texas.
In January 1997, the PTC completed expansion of the Lansdale Interchange’s toll plaza from five lanes to ten lanes. Included in this project was the addition of a parking lot and rebuilt ramps.[66] In Fall of that year, the PTC completed an expansion of the Quakertown Interchage’s toll plaza. Included in this project was the addition of a parking lot and rebuilt ramps.[67]
In 1990, an electronic toll collection system was proposed for the Pennsylvania Turnpike, where a motorist would create an account and use an electronic device that would be read from an electronic tollbooth. The motorist would be billed later.[68] The multi-state electronic tolling system, which was to be called E-ZPass, was planned to be implemented by 1998.[69][70] The planned installation date was later pushed back to 2000.[71] On December 2, 2000, E-ZPass debuted along the Northeast Extension of the Pennsylvania Turnpike between the Mid-County Toll Plaza and Lehigh Valley Interchange.[72][73] On December 15, 2001, E-ZPass support was extended from the Leigh Valley Interchange to the Wyoming Valley Toll Plaza.[74][75] Commercial vehicles were allowed to start using E-ZPass on December 14, 2002.[76] On November 23, 2004, support was extended from the Wyoming Valley Toll Plaza to the Clarks Summit Toll Plaza.[46]
On November 24, 2004, the day before Thanksgiving, 2,000 Teamsters Union employees went on strike, after contract negotiations failed. This was the first strike in the history of the roadway. As this is usually one of the busiest traffic days in the US, to avoid traffic jams, tolls were waived for the rest of the day.[77] Starting on November 25, turnpike management personnel collected flat-rate passenger tolls of $2 and commercial tolls of $15 from cash customers on the ticketed system, while E-ZPass customers were charged the lesser of the actual toll or the same flat rates.[78] The strike ended after seven days when both sides reached an agreement on November 30, 2004. Normal toll collection resumed December 1, 2004.[79]
In October 2005,[80] the PTC, in conjunction with PennDOT, completed the addition of four 55 mph (89 km/h) express E-ZPass lanes at the Mid-County Toll Plaza,[81] marking the second of them to be added on a PTC owned road.[80]
In November 2006, Governor Ed Rendell and former Pennsylvania House Speaker John Perzel suggested leasing the extension long-term to a private group to raise money to improve other infrastructure in the state. Such a lease was speculated to raise up to $30 billion (equivalent to $43.6 billion in 2023[22]) for the state.[82] In October 2007, 34 companies submitted 14 proposals to lease the turnpike.[83] On May 19, 2008, a $12.8-billion (equivalent to $18.1 billion in 2023[22]) proposal by Abertis, a Spain-based firm, and Citigroup in New York City to lease the turnpike was submitted.[84] The consortium withdrew the offer on September 30 of that year because it thought the proposal would not be approved by the state legislature.[85]
On May 29, 2011, the bridge on the Northeast Extension over US 6 and US 11 was renamed the John E. Fitzgerald Memorial Bridge. He helped build the structure, and was a 13 year long member of the PTC.[86]
On December 22, 2008, work began on a replacement of the Bridge carrying the Northeast Extension over the Pocono Creek. Two new bridges with shoulders were built, and the old structures, a girder bridge and deck truss bridge, were demolished. This $101.6 million project was completed on November 4, 2011.[87]
In 1990, plans were made to build an interchange at PA 903 in Carbon County. A bill authorizing construction of this interchange was signed into law by Governor Casey in July of that year.[88] Plans for this interchange were cancelled by the turnpike commission in 1995.[89] In 2006, plans for an interchange at PA 903 were resurrected, with the proposed interchange to be all-electronic, in that it will only accept E-ZPass.[90] Construction on the $23-million (equivalent to $32 million in 2023[22]) interchange began in the middle of 2008.[91][92] The interchange opened to traffic on June 30, 2015.[93]
In October 2016, the turnpike began accepting credit cards as payment at all the toll booths.[94]
The turnpike used traffic lights as feedback signals for E-ZPass users since it was launched in 2001. On March 17, 2017, the PTC announced that it would begin removing the feedback signals as part of upgrading toll equipment because they do not conform to federal signage guidelines.[95]
In 2007, the turnpike commission announced plans to widen the Northeast Extension to six lanes between Mid-County and Lansdale.[96] The project divided this stretch of highway into two sections. Work on the southern section began in January 2008 with the replacement of two bridges over the Northeast Extension to accommodate the widened highway. Construction on the actual widening phase commenced in January 2011. Completion was originally planned in 2013; however, construction fell a year behind schedule.[97][98] Construction on widening the northern section started in May 2014, while work on widening the southern section finished up in October of that year. By this point, the project scope was expanded to include the Lansdale interchange itself, the roadway to a point one mile (1.6 km) north of the interchange, and two new E-ZPass-only ramps at the Lansdale interchange to relieve congestion at the toll plaza. This new northbound exit ramp opened December 4, 2016, and the companion southbound onramp opened a week later.[99] Construction along the northern section was originally planned to finish by the end of 2016 but was delayed until mid-2017.[100] Construction was substantially completed, with all six lanes open, by August 31, 2017.[101]
On February 21, 2018, Howard M. Sexton, a 70-year-old truck driver from New Jersey, was killed in the southbound Lehigh Tunnel, when an electrical conduit broke free from the tunnel's ceiling and fell through the windshield of his truck, striking him in the head.[102] In a preliminary report issued on May 1, 2018, the National Transportation Safety Board revealed that a 10-foot-long (3.0 m) section of conduit fell into the path of Sexton's truck after the steel support system for the conduits, which were suspended from the apex of the tunnel arch directly over the travel lanes, failed. The tunnel had last been inspected in 2016, at which time an inspector found evidence of corrosion on several of the steel support straps.[103]
In 2019, the turnpike launched a smartphone app for paying tolls.[104]
Once widening was completed from Mid-County to Lansdale, a similar project began on the next segment of highway, from Lansdale to Quakertown. As done on the first project, the Lansdale–Quakertown segment was rebuilt in two sections, with a southern half started in late 2017, widening the road to six lanes with full shoulders.[97] Advance work began in early 2013 with replacement of several bridges in this area north of Lansdale, with work on the actual widening beginning in late 2017.[105] Widening of this section was completed in late 2020.[106] In April 2022, construction began on widening the northern section of the roadway between Lansdale and Quakertown, with completion expected in early 2025.[107]
Until March 2020, the road used the ticket system method of tolling between the Mid-County and Wyoming Valley toll plazas along with the mainline Pennsylvania Turnpike between Warrendale and Neshaminy Falls.[108] With the ticket system, a motorist received a ticket upon entering the turnpike at an interchange and paid the fare and surrendered the ticket upon exiting. If a motorist lost the ticket, the turnpike charged the highest fare to the exit where the motorist left.[109] Cash, credit cards, and E-ZPass were accepted at traditional toll plazas.[108] On April 29, 2018, the turnpike commission implemented all-electronic tolling at the Keyser Avenue and Clarks Summit toll plazas.[110][111] All-electronic tolling was originally scheduled to be implemented on the entire length of the Northeast Extension in the later part of 2021.[112] In March 2020, as a result of the COVID-19 pandemic,[113] the all-electronic tolling system on the turnpike will initially use existing toll booths at exits, along with existing equipment at all-electronic tolling interchanges, until mainline toll gantries between interchanges are constructed.[112] Toll gantries are planned to be in operation by late 2025.[114][115]
In late 2021, construction began to replace the functionally obsolete Hawk Falls Bridge that carries I-476 over Mud Run in Carbon County. The replacement bridge will be a 720 feet (220 m) long steel bridge that will include shoulders. Construction of the replacement bridge is expected to be completed in the middle part of 2026.[116]
The turnpike commission has stated its intention of continuing the widening effort from the Quakertown Interchange all the way north to the Lehigh Valley Interchange at milepost 56,[117] although it will take until the late 2020s to get done.
On April 28, 2016, plans were announced for a "Scranton Beltway" to use I-476 as a bypass for I-81 around the heavily congested segment through Scranton and its suburbs. The turnpike between the two I-81 interchanges carries an average of 10,000 vehicles per day vs. 70,000 on the parallel segment of I-81. This project will build two high-speed connections between I-476 and I-81: one south of Scranton in Dupont and one north of Scranton in South Abington Township. Tolls on the connections will be paid with E-ZPass or toll by plate. Construction of this project is expected to cost $160 million.[118] In 2021, design work on the project resumed, with construction expected to begin in 2025.[119]
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The old exit numbers (31 and upward) on the Northeast Extension were a continuation of old exit numbers 1 through 30 on the east–west turnpike. On the east–west turnpike, the interchange with I-476 was old exit 25A because it was between old exits 25 and 26 on the east–west turnpike.
| County | Location | mi[8] | km | Old exit [120] | New exit [120] | Name | Destinations | Notes |
|---|---|---|---|---|---|---|---|---|
| Delaware | Ridley Township | 0.00 | 0.00 | – | – | I-95 – Philadelphia, Chester | Southern terminus; exit 7 on I-95; access to Philadelphia International Airport | |
| 0.48 | 0.77 | 1 | 1 | MacDade Boulevard | Access to Widener University | |||
| Nether Providence Township | 3.39 | 5.46 | 2 | 3 | Media, Swarthmore | Access via Baltimore Pike; access to Springfield | ||
| Marple Township | 5.07 | 8.16 | 3 | 5 |  US 1 – Lima, Springfield | |||
| 8.77 | 14.11 | 4 | 9 |  PA 3 – Broomall, Upper Darby | Access to Newtown Square and Havertown | |||
| Radnor Township | 13.24 | 21.31 | 5 | 13 |  US 30 – St. Davids, Villanova | Access to Haverford College and Bryn Mawr College | ||
| Montgomery | Lower Merion Township–West Conshohocken line | 15.84 | 25.49 | 6 | 16 |    I-76 to PA 23 – Philadelphia, Valley Forge, Conshohocken | Signed as exits 16A (east) and 16B (west); access to PA 23 via Matsonford Road; exits 331A-B on I-76 | |
| Plymouth Township | 18.81 | 30.27 | 7 | 18 | Conshohocken, Norristown | No southbound exit to Conshohocken; signed as exits 18A (Conshohocken) and 18B (Norristown) northbound; access via Ridge Pike/Chemical Road | ||
| 19.69 | 31.69 | 8 | 19 | Plymouth Meeting | Northbound exit and southbound entrance; access via Chemical Road | |||
| 19.97 | 32.14 | 9 | 20 |       Germantown Pike west to I-276 west / Penna Turnpike west – HarrisburgPlymouth Road | Northbound exit and southbound entrance; exit 333 (Norristown) on I-276 / Penna Turnpike | |||
| Mid-County Toll Plaza (southern end of Penna Turnpike NE Extension) | ||||||||
| 20.33 | 32.72 | 25A | 20 | Mid-County | I-276 / Penna Turnpike to I-95 – Harrisburg, New Jersey, New York City | No northbound exit to I-276 west or southbound entrance from I-276 east; exit no. and interchange name not signed northbound | ||
| Towamencin Township | 30.78 | 49.54 | 31 | 31 | Lansdale |  PA 63 – Kulpsville, Harleysville | Signed as exits 31A (east) and 31B (west) northbound | |
| Bucks | Milford Township | 44.39 | 71.44 | 32 | 44 | Quakertown |  PA 663 – Quakertown, Pottstown | |
| Lehigh | Upper Macungie Township | 56.37 | 90.72 | Allentown Service Plaza | ||||
| South Whitehall Township | 57.71 | 92.88 | 33 | 56 | Lehigh Valley |    US 22 to I-78 / PA 309 – Allentown, Harrisburg | ||
| Blue Mountain | 71.68 | 115.36 | Lehigh Tunnel | |||||
| Carbon | Franklin Township | 75.73 | 121.88 | 34 | 74 | Mahoning Valley |  US 209 – Lehighton, Stroudsburg | Access to Jim Thorpe |
| Penn Forest Township | 86.62 | 139.40 | Hickory Run Service Plaza | |||||
| 87.39 | 140.64 | – | 87 | SR 903 |  PA 903 – Jim Thorpe, Lake Harmony | Access to Long Pond | ||
| Kidder Township | 94.82 | 152.60 | 35 | 95 | Pocono |   I-80 / PA 940 – Hazleton, Mount Pocono | Exit 277 on I-80 | |
| Luzerne | Bear Creek Township | 105.85 | 170.35 | 36 | 105 | Wilkes-Barre |  PA 115 – Wilkes-Barre, Bear Creek | |
| Pittston Township | 113.42 | 182.53 | Wyoming Valley Toll Plaza (northern end of closed toll system) | |||||
| 115.17 | 185.35 | 37 | 115 | Wyoming Valley |  PA 315 to I-81 – Pittston, Scranton | Scranton not signed southbound; exit 175 on I-81; formerly known as the Scranton Interchange | ||
| Lackawanna | Taylor | 121.61 | 195.71 | Keyser Avenue Toll Plaza (E-ZPass or toll-by-plate) | ||||
| 122.36 | 196.92 | 38 | 122 | Keyser Avenue | Old Forge, Taylor | Access via Keyser Avenue | ||
| South Abington Township | 131.20 | 211.15 | Clarks Summit Toll Plaza (E-ZPass or toll-by-plate) | |||||
| 131.37 | 211.42 | 39 | 131 | Clarks Summit |  I-81 / US 6 east – Binghamton, Wilkes-Barre US 6 west / US 11 – Scranton, Clarks Summit | Northern terminus; exit 194 on I-81; to I-84/I-380 | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | ||||||||
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