The list of Interstate Highways in Pennsylvania encompasses 23 Interstate Highways—12 primary routes and 11 auxiliary routes—which exist entirely or partially in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

. In Pennsylvania, Interstate highways are maintained by the Pennsylvania Department of Transportation

Pennsylvania Department of Transportation

The Pennsylvania Department of Transportation oversees transportation issues in the Commonwealth of Pennsylvania. The administrator of PennDOT is the Pennsylvania Secretary of Transportation, currently Barry Schoch Presently, PennDOT supports over of state roads and highways, about 25,000...

 (PennDOT). Interstate highways make up three percent of all roadway lane miles in Pennsylvania and have a combined length of 1953 mi (3,143 km) within the state. Twenty-four percent of all vehicle traffic is on the Interstate system.

Primary Interstate Highways

Description
I-70 Interstate 70 in Pennsylvania In the U.S. state of Pennsylvania, Interstate 70 runs east–west across the southwest part of the state serving the southern half of the Pittsburgh metropolitan area. About half of the route is concurrent with Interstate 76 along the Pennsylvania Turnpike...		Interstate 70 enters Pennsylvania at the West Virginia West Virginia West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...  state line one mile (1.6 km) west of West Alexander West Alexander, Pennsylvania West Alexander is an unincorporated community in Washington County, Pennsylvania, United States. The population was 320 at the 2000 census, at which time it was a borough...  in Washington County Washington County, Pennsylvania -Government and politics:As of November 2008, there are 152,534 registered voters in Washington County .* Democratic: 89,027 * Republican: 49,025 * Other Parties: 14,482... . The highway multiplexes with I-76 from Exit 75 to Exit 161 as the Pennsylvania Turnpike Pennsylvania Turnpike The Pennsylvania Turnpike is a toll highway system operated by the Pennsylvania Turnpike Commission in the Commonwealth of Pennsylvania, United States. The three sections of the turnpike system total . The main section extends from Ohio to New Jersey and is long... . In Breezewood Breezewood, Pennsylvania Breezewood is an unincorporated town in Bedford County in south-central Pennsylvania.Along a traditional pathway for Native Americans, European settlers, and British troops during colonial times, in the early 20th century, the small valley that became known as Breezewood was a popular stopping... , I-70 leaves I-76 and the Pennsylvania turnpike veering south toward the Maryland Maryland Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...  border. It exits the state two miles (3 km) east of Warfordsburg Warfordsburg, Pennsylvania In December 1776, Joseph Warford was deeded of land on which he laid out a village that was to become known as Warfordsburg. A large stone structure that served as the Warford home and tavern was built, though the building was destroyed by fire in 1947....  in Fulton County Fulton County, Pennsylvania Fulton County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 14,845.Fulton County was created on April 19, 1850, from part of Bedford County and named for inventor Robert Fulton.Its county seat is McConnellsburg.... .
I-76 Interstate 76 (east) Interstate 76 is an Interstate Highway in the United States, running 435 miles from an interchange with Interstate 71 west of Akron, Ohio, east to Interstate 295 near Camden, New Jersey....		Interstate 76 enters Pennsylvania at the Ohio Ohio Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...  border northwest of Enon Valley Enon Valley, Pennsylvania Enon Valley is a borough in Lawrence County, Pennsylvania, United States. The population was 387 at the 2000 census.-Geography:Enon Valley is located at ....  in Lawrence County Lawrence County, Pennsylvania Lawrence County is a county located in the U.S. state of Pennsylvania. In 2010, its population was 91,108. The county was added to the Pittsburgh Metropolitan Statistical Area in 2003. The county seat is New Castle....  as the Pennsylvania Turnpike. The highway initially heads southeast through Pittsburgh to Somerset Somerset, Pennsylvania -Demographics:As of the census of 2000, there were 6,762 people, 3,035 households, and 1,717 families residing in the borough. The population density was 2,466.0 people per square mile . There were 3,313 housing units at an average density of 1,208.2 per square mile...  before turning east. At Exit 326, the highway becomes the Schuylkill Expressway Schuylkill Expressway The Schuylkill Expressway , locally known as the Schuylkill, is a freeway through southwestern Montgomery County and the city of Philadelphia, and the easternmost segment of Interstate 76 in the U.S. state of Pennsylvania... . I-76 leaves the state at the New Jersey New Jersey New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...  state line in Philadelphia via the Walt Whitman Bridge Walt Whitman Bridge The Walt Whitman Bridge is a green-colored single-level suspension bridge spanning the Delaware River from Philadelphia to Gloucester City, New Jersey. Named after the poet Walt Whitman, who resided in nearby Camden toward the end of his life, the Walt Whitman Bridge is one of the larger bridges... .
I-78 Interstate 78 in Pennsylvania Interstate 78 is an east–west route stretching from Union Township, Lebanon County, Pennsylvania to New York City. In the U.S. state of Pennsylvania, I-78 runs for about 77 miles in Pennsylvania, from the western terminus at Interstate 81 to New Jersey state line; I-78 continues into New...		Interstate 78 begins at I-81 five miles (8 km) west of Fredericksburg Fredericksburg, Pennsylvania Fredericksburg is the name of some places in the U.S. state of Pennsylvania:*Fredericksburg, Crawford County, Pennsylvania*Fredericksburg, Lebanon County, Pennsylvania...  in Lebanon County Lebanon County, Pennsylvania As of the census of 2000, there were 120,327 people and 32,771 families residing in the county. The population density was 332 people per square mile . There were 49,320 housing units at an average density of 136 per square mile... . It is multiplexed with US 22 as the William Penn Highway William Penn Highway The William Penn Highway was an auto trail in the United States, generally running from Pittsburgh east to New York City. It served as the eastern end of the Pikes Peak Ocean-to-Ocean Highway. The William Penn Highway Association of Pennsylvania was organized March 27, 1916 to promote a road...  from Exit 8 in Fredericksburg to Exit 51 in Allentown Allentown, Pennsylvania Allentown is a city located in Lehigh County, Pennsylvania, in the United States. It is Pennsylvania's third most populous city, after Philadelphia and Pittsburgh, and the 215th largest city in the United States. As of the 2010 census, the city had a total population of 118,032 and is currently... . The highway was briefly designated as I-80N from 1957 to 1958. I-78 exits Pennsylvania and enters New Jersey via the Interstate 78 Toll Bridge in Easton Easton, Pennsylvania Easton is a city in Northampton County, Pennsylvania, United States. The population was 26,800 as of the 2010 census. It is the county seat of Northampton County.... .
I-79 Interstate 79 Interstate 79 is an Interstate Highway in the eastern United States, designated from Interstate 77 in Charleston, West Virginia to Pennsylvania Route 5 and Pennsylvania Route 290 in Erie, Pennsylvania...		Interstate 79 enters Pennsylvania at the West Virginia state line one mile (1.6 km) south of Mount Morris Mount Morris, Pennsylvania Mount Morris is an unincorporated community in Greene County, Pennsylvania, United States.-Geography:Mount Morris is located at , on Interstate 79 near the West Virginia state line. Its elevation is 938 feet ....  in Greene County Greene County, Pennsylvania -Demographics:As of the census of 2000, there were 40,672 people, 15,060 households, and 10,587 families residing in the county. The population density was 71 people per square mile . There were 16,678 housing units at an average density of 29 per square mile... . The highway travels north to Erie Erie, Pennsylvania Erie is a city located in northwestern Pennsylvania in the United States. Named for the lake and the Native American tribe that resided along its southern shore, Erie is the state's fourth-largest city , with a population of 102,000... , bypassing Pittsburgh. I-79 is named to Raymond P. Shafer Highway for its entire length. Between Exits 65 and 68, I-79 is part of the Yellow Belt of the Pittsburgh Belt System. The only multiplex on the route is with I-70 in Washington Washington, Pennsylvania Washington is a city in and the county seat of Washington County, Pennsylvania, United States, within the Pittsburgh Metro Area in the southwestern part of the state...  from Exit 34 to Exit 38. The interstate ends at PA 5 Pennsylvania Route 5 Pennsylvania Route 5 is a westward continuation of New York State Route 5 in Pennsylvania. It runs from North East, Pennsylvania at the New York-Pennsylvania border to near Erie, a total of . The highway is called the Purple Heart Highway and mostly called Lake Road... /PA 290 Pennsylvania Route 290 Pennsylvania Route 290 is a long state highway located in the city of Erie, Pennsylvania. The western terminus of the route is at Interstate 79 and Pennsylvania Route 5 in the neighborhood of Dock Junction...  and the Bayfront Parkway at Exit 183 in Erie.
I-80 Interstate 80 in Pennsylvania The transcontinental Interstate 80 is designated across northern Pennsylvania as the Keystone Shortway, officially the Z.H. Confair Memorial Highway. This route was built mainly along a completely new alignment, not paralleling any earlier U.S. Routes, as a shortcut to the tolled Pennsylvania...		Interstate 80 is the longest east-west interstate in Pennsylvania. It enters Pennsylvania at the Ohio state line three miles (5 km) west of West Middlesex West Middlesex, Pennsylvania West Middlesex is a borough in Mercer County, Pennsylvania, along the Shenango River. The population was 929 at the 2000 census. It is part of the Youngstown–Warren–Boardman, OH-PA Metropolitan Statistical Area.-Geography:...  in Mercer County Mercer County, Pennsylvania Mercer County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 116,638. Its county seat is Mercer; Sharon is its largest city.... . The route is known as the Z.H. Confair Memorial Highway and the Keystone Shortway. I-80 passes through no major cities while in Pennsylvania. It leaves the state and enters New Jersey via the Delaware Water Gap Toll Bridge Delaware Water Gap Toll Bridge The Delaware Water Gap Toll Bridge is a toll bridge that carries I-80 across the Delaware River at the Delaware Water Gap, connecting Hardwick Township, New Jersey and Delaware Water Gap, Pennsylvania. The bridge was built by the Delaware River Joint Toll Bridge Commission...  in Stroudsburg Stroudsburg, Pennsylvania Stroudsburg is a borough in Monroe County, Pennsylvania, United States. It is located in the Poconos region of the state, approximately five miles from the Delaware Water Gap, at the confluence of the Brodhead and Pocono Creeks. It is the county seat of Monroe County. Stroudsburg is part of the... , Monroe County Monroe County, Pennsylvania -National protected areas:* Delaware Water Gap National Recreation Area * Middle Delaware National Scenic River -Demographics:As of the census of 2010, there are 176,567 people, 49,454 households, and 36,447 families residing in the county. The population density was 228 people per square mile... .
I-81 Interstate 81 in Pennsylvania Interstate 81 is an long north–south Interstate Highway, stretching from Dandridge, Tennessee to Fisher's Landing, New York at the US/Canadian border...		Interstate 81 is the longest north-south interstate in Pennsylvania. It enters the state at the Maryland state line in Franklin County Franklin County, Pennsylvania As of the census of 2000, there were 129,313 people, 50,633 households, and 36,405 families residing in the county. The population density was 168 people per square mile . There were 53,803 housing units at an average density of 70 per square mile...  and heads northeast to Scranton Scranton, Pennsylvania Scranton is a city in the northeastern part of Pennsylvania, United States. It is the county seat of Lackawanna County and the largest principal city in the Scranton/Wilkes-Barre metropolitan area. Scranton had a population of 76,089 in 2010, according to the U.S... , bypassing Harrisburg Harrisburg, Pennsylvania Harrisburg is the capital of Pennsylvania. As of the 2010 census, the city had a population of 49,528, making it the ninth largest city in Pennsylvania... , before turning north for New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east... . It is known as the American Legion American Legion The American Legion is a mutual-aid organization of veterans of the United States armed forces chartered by the United States Congress. It was founded to benefit those veterans who served during a wartime period as defined by Congress...  Memorial Highway while in Pennsylvania. In Harrisburg, I-81 is also called the Capital Beltway Capital Beltway (Harrisburg) The Capital Beltway is a beltway surrounding Harrisburg, Pennsylvania, in the United States. It is co-designated as Interstate 81 , I-83, U.S. Route 11 , US 322, and Pennsylvania Route 581 at various locations along the route... . The interstate leaves Pennsylvania at the New York border two miles (3 km) north of Great Bend Great Bend, Pennsylvania Great Bend is a borough in Susquehanna County, Pennsylvania, United States, 39 miles north of Scranton. The population was 700 at the 2000 census. Great Bend sits along the Susquehanna River, less than two miles from the New York State border. Located directly off Interstate 81, tourism is a...  in Susquehanna County Susquehanna County, Pennsylvania -Demographics:As of the census of 2000, there were 42,238 people, 16,529 households, and 11,785 families residing in the county. The population density was 51 people per square mile . There were 21,829 housing units at an average density of 26 per square mile... .]
I-83 Interstate 83 Interstate 83 is an Interstate Highway in the eastern United States. Its southern terminus is in Baltimore, Maryland at the Fayette Street exit; its northern terminus is in Harrisburg, Pennsylvania at Interstate 81....		Interstate 83 enters Pennsylvania at the Maryland border four miles (6 km) south of Shrewsbury Shrewsbury, Pennsylvania Shrewsbury is a borough in York County, Pennsylvania, United States. The population was 3,823 at the 2010 census.-Geography:Shrewsbury is located at ....  in York County York County, Pennsylvania York County is a county in the U.S. state of Pennsylvania. As of 2010, the population was 434,972. It is in the Susquehanna Valley, a large fertile agricultural region in South Central Pennsylvania....  and heads north for York York, Pennsylvania York, known as the White Rose City , is a city located in York County, Pennsylvania, United States which is in the South Central region of the state. The population within the city limits was 43,718 at the 2010 census, which was a 7.0% increase from the 2000 count of 40,862...  and Harrisburg. The road is known as the Veterans of Foreign Wars Veterans of Foreign Wars The Veterans of Foreign Wars of the United States is a congressionally chartered war veterans organization in the United States. Headquartered in Kansas City, Missouri, VFW currently has 1.5 million members belonging to 7,644 posts, and is the largest American organization of combat...  of the United States Memorial Highway as well as the Harrisburg-York-Baltimore Expressway. While in Harrisburg it is also known as the Capital Beltway. I-83 ends at I-81 at Exit 70 in Harrisburg.
I-84 Interstate 84 (east) Interstate 84 is an Interstate Highway extending from Dunmore, Pennsylvania at an interchange with Interstate 81 to Sturbridge, Massachusetts, at an interchange with the Massachusetts Turnpike . I-84 has mile-log junction numbering in Pennsylvania; otherwise, exit numbers are roughly sequential...		Interstate 84 begins at I-81 at Exit 187 in Scranton and heads east to the New York state line over the Delaware River Delaware River The Delaware River is a major river on the Atlantic coast of the United States.A Dutch expedition led by Henry Hudson in 1609 first mapped the river. The river was christened the South River in the New Netherland colony that followed, in contrast to the North River, as the Hudson River was then...  in Matamoras Matamoras, Pennsylvania Matamoras is a borough in Pike County, Pennsylvania, United States. The population was 2,469 at the 2010 census. It is the easternmost town in Pennsylvania.-History:... . Originally, plans were made to build the interstate to cross extreme northern Pennsylvania, but the mountains Appalachian Mountains The Appalachian Mountains #Whether the stressed vowel is or ,#Whether the "ch" is pronounced as a fricative or an affricate , and#Whether the final vowel is the monophthong or the diphthong .), often called the Appalachians, are a system of mountains in eastern North America. The Appalachians...  proved to be too big of a challenge. Scranton is the only major city on the route.
I-86 Interstate 86 (east) Interstate 86 is an Interstate Highway that extends for through northwestern Pennsylvania and southern New York in the United States...		Only seven miles of Interstate 86 is in Pennsylvania. It runs from I-90 at Exit 37 in Erie east to the New York state line south of North East North East, Pennsylvania North East is a borough in Erie County, Pennsylvania, northeast of Erie. Fruit growing was an early economic endeavor, and is still to this day, as this is a popular area for especially cherries and grapes. There is an annual Cherry Festival in the summer and an annual in the fall. It contains... . The interstate is named the Hopkins-Bowser Highway.
I-90 Interstate 90 Interstate 90 is the longest Interstate Highway in the United States at . It is the northernmost coast-to-coast interstate, and parallels US 20 for the most part. Its western terminus is in Seattle, at Edgar Martinez Drive S. near Safeco Field and CenturyLink Field, and its eastern terminus is in...		Interstate 90, known as the AMVETS Memorial Highway, enters Pennsylvania from Ohio three miles (5 km) west of Springfield Springfield Township, Erie County, Pennsylvania Springfield Township is a township in Erie County, Pennsylvania, United States. The population was 3,378 at the 2000 census.-Geography:According to the United States Census Bureau, the township has a total area of 37.8 square miles , of which, 37.7 square miles of it is land and...  and exits at the New York border two miles (3 km) east of North East. The highway crosses Erie County Erie County, Pennsylvania Erie County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 280,566. Its county seat is the City of Erie.- Geography :...  along the lake Lake Erie Lake Erie is the fourth largest lake of the five Great Lakes in North America, and the tenth largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and therefore also has the shortest average water residence time. It is bounded on the north by the... , bypassing the city of Erie.
I-95 Interstate 95 in Pennsylvania Interstate 95 is an Interstate highway running from Miami, Florida north to Houlton, Maine. In the U.S. state of Pennsylvania, the route is known by many as the Delaware Expressway, but is officially named The Vietnam Veterans Memorial Highway. and locally known as "95"...		Interstate 95 enters Pennsylvania from Delaware at Marcus Hook Marcus Hook, Pennsylvania Marcus Hook is a borough in Delaware County, Pennsylvania, United States. The population peaked in the 1920s with 5,324 inhabitants. 2,314 inhabitants were counted at the recent 2000 census. Marcus Hook's current mayor is James Schiliro. The borough calls itself "The Cornerstone of Pennsylvania"....  in Delaware County Delaware County, Pennsylvania Delaware County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 558,979, making it Pennsylvania's fifth most populous county, behind Philadelphia, Allegheny, Montgomery, and Bucks counties.... . I-95, known as the Vietnam Veterans Memorial Highway, passes through Delaware, Philadelphia, and Bucks Bucks County, Pennsylvania - Industry and commerce :The boroughs of Bristol and Morrisville were prominent industrial centers along the Northeast Corridor during World War II. Suburban development accelerated in Lower Bucks in the 1950s with the opening of Levittown, Pennsylvania, the second such "Levittown" designed by...  counties along the Delaware River before leaving the state and entering New Jersey via the Scudder Falls Bridge Scudder Falls Bridge The Scudder Falls Bridge is a girder bridge that carries Interstate 95 over the Delaware River, connecting Lower Makefield Township in Bucks County, Pennsylvania with Ewing Township in Mercer County, New Jersey. This bridge, which was constructed from 1958 to 1959, is maintained by the Delaware...  in Yardley Yardley, Pennsylvania Yardley is a borough in Bucks County, Pennsylvania, United States. The small community of Yardley is bordered by the Delaware River and Ewing, New Jersey on the east, and by Lower Makefield Township on the north, west, and south... . A construction project will eventually see I-95 being rerouted onto the Pennsylvania Turnpike and will enter New Jersey, via the Delaware River Turnpike Connector Bridge.
I-99 Interstate 99 Interstate 99 is an intrastate Interstate Highway located in central Pennsylvania in the United States. The southern terminus of the route is at exit 146 of the Pennsylvania Turnpike north of Bedford, where the road continues south as U.S. Route 220 . The northern terminus is at...		Interstate 99 is an incomplete highway in central Pennsylvania. It is known as the Appalachian Thruway and is located entirely within the state. It begins at Business US 220 in Bedford Bedford, Pennsylvania Bedford is a borough in Bedford County, Pennsylvania, west of the State Capital, Harrisburg. It is the county seat of Bedford County. Bedford was established in the mid-18th century. Population counts follow: 1890, 2,242; 1900, 2,167; 1910, 2,385. The population was 3,141 at the 2000... , Bedford County Bedford County, Pennsylvania Bedford County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 49,762. The county seat is Bedford. It is part of the Altoona, Pennsylvania, Metropolitan Statistical Area.- History :... . It continues north through Altoona Altoona, Pennsylvania -History:A major railroad town, Altoona was founded by the Pennsylvania Railroad in 1849 as the site for a shop complex. Altoona was incorporated as a borough on February 6, 1854, and as a city under legislation approved on April 3, 1867, and February 8, 1868...  and State College State College, Pennsylvania State College is the largest borough in Centre County in the U.S. state of Pennsylvania. It is the principal city of the State College, Pennsylvania Metropolitan Statistical Area which encompasses all of Centre County. As of the 2010 census, the borough population was 42,034, and roughly double...  before ending at a non-freeway interchange with I-80 Interstate 80 Interstate 80 is the second-longest Interstate Highway in the United States, following Interstate 90. It is a transcontinental artery running from downtown San Francisco, California to Teaneck, New Jersey in the New York City Metropolitan Area...  near Bellefonte Bellefonte, Pennsylvania Bellefonte is a borough in Centre County, Pennsylvania, United States. It lies about twelve miles northeast of State College and is part of the State College, Pennsylvania Metropolitan Statistical Area... . The entirety of the current route is multiplexed with US 220. It will eventually extend southward to the Maryland border along the current alignment of US 220, and northward along US 220 to Williamsport Williamsport, Pennsylvania Williamsport is a city in and the county seat of Lycoming County, Pennsylvania in the United States. In 2009, the population was estimated at 29,304... , and along US 15 from there to the New York border to Interstate 86 in Painted Post, New York Painted Post, New York Painted Post is a village in Steuben County, New York, United States. The village is in the town of Erwin, west of the city of Corning. The population was 1,842 at the 2000 census. The name comes from a painted and carved post found by explorers at the junction of three local rivers... .

Auxiliary Interstate Highways

Highway	Length	Description
I-176 Interstate 176 Interstate 176 is a spur route of eastern Interstate 76 in Pennsylvania. I-176, known locally as the "Morgantown Expressway", travels from Morgantown, Pennsylvania to Reading, Pennsylvania; the entire length of the highway is just over...	11 mi (17.7 km)	Interstate 176, also called the Morgantown Expressway, connects Reading Reading, Pennsylvania Reading is a city in southeastern Pennsylvania, USA, and seat of Berks County. Reading is the principal city of the Greater Reading Area and had a population of 88,082 as of the 2010 census, making it the fifth most populated city in the state after Philadelphia, Pittsburgh, Allentown and Erie,...  to the turnpike in Morgantown Morgantown, Pennsylvania Morgantown is a populated place in Caernarvon Township, Berks County, Pennsylvania, United States with a zip code of 19543. It is at an elevation of 597 ft at 40° 9' 18"N and 75°53' 23"W.-General History:... . It begins at I-76 at Exit 298 in and ends in Reading at US 422.
I-276	33 mi (53.1 km)	Interstate 276 begins at Exit 326 in King of Prussia King of Prussia, Pennsylvania King of Prussia is a census-designated place in Upper Merion Township, Montgomery County, Pennsylvania, United States. As of the 2010 census, its population was 19,936. The community took its name in the 18th century from a local tavern named the King of Prussia Inn, which was named after... , Montgomery County Montgomery County, Pennsylvania Montgomery County is a county located in the U.S. state of Pennsylvania, in the United States. As of 2010, the population was 799,874, making it the third most populous county in Pennsylvania . The county seat is Norristown.The county was created on September 10, 1784, out of land originally part... , and ends in Bristol Bristol, Pennsylvania Bristol is a borough in Bucks County, Pennsylvania, northeast of Philadelphia opposite Burlington, N.J. on the Delaware River. Bristol was first incorporated in 1720. Although its charter was revised in 1905, the original charter remains in effect, making Bristol one of the older boroughs in...  crossing into New Jersey via the Delaware River Turnpike Bridge. I-276 is notable for ending at the middle of the bridge on the PA/NJ State Line, but will be truncated to I-95/future I-195 interchange with the Pennsylvania Turnpike.
I-376 Interstate 376 Interstate 376 is a major auxiliary route of the Interstate Highway System in the U.S. state of Pennsylvania, located entirely within the Allegheny Plateau. It runs from I-80 near Sharon south and east to a junction with the Pennsylvania Turnpike in Monroeville, after having crossed the Turnpike...	85 mi (136.8 km)	Interstate 376 begins at I-80 near Sharon Sharon, Pennsylvania Sharon is a city in Mercer County, Pennsylvania, in the United States, northwest of Pittsburgh. It is part of the Youngstown–Warren–Boardman, OH-PA Metropolitan Statistical Area.- History :...  and follows the Beaver Valley Expressway and the James E. Ross Highway south to Pittsburgh International Airport Pittsburgh International Airport Pittsburgh International Airport , formerly Greater Pittsburgh Airport, Greater Pittsburgh International Airport and commonly referred to as Pittsburgh International, is a joint civil–military international airport located in the Pittsburgh suburb of Findlay Township, approximately west of... . From there, the route continues east along the Penn-Lincoln Parkway to I-76 exit 57 in Monroeville Monroeville, Pennsylvania Monroeville is a home rule municipality in Allegheny County, Pennsylvania, United States. Located about east of the city of Pittsburgh, Monroeville is a bustling suburb with mixed residential and commercial developments... . It is concurrent with US 22 (the William Penn Highway) east of PA 60 Pennsylvania Route 60 Pennsylvania Route 60 is a state highway located in the western suburbs of Pittsburgh, Pennsylvania, in the United States. Although the route follows a mostly east–west alignment, it is signed as a north–south highway. The southern terminus of the route is at a pseudo-interchange with U.S...  and with US 30 (the Lincoln Highway Lincoln Highway The Lincoln Highway was the first road across the United States of America.Conceived and promoted by entrepreneur Carl G. Fisher, the Lincoln Highway spanned coast-to-coast from Times Square in New York City to Lincoln Park in San Francisco, originally through 13 states: New York, New Jersey,... ) from PA 60 to Wilkinsburg Wilkinsburg, Pennsylvania Wilkinsburg is a borough in Allegheny County, Pennsylvania, United States adjacent to the city of Pittsburgh. The population was 15,930 at the 2010 census, having lost more than 13,000 in the 70 years since 1940, when 29,853 people were enumerated... .
I-476 Interstate 476 Interstate 476 is a auxiliary Interstate Highway in the U.S. state of Pennsylvania designated between Interstate 95 near Chester and Interstate 81 near Scranton, serving as the primary north–south Interstate corridor through eastern Pennsylvania....	131 mi (210.8 km)	Interstate 476, the Blue Route, begins at I-95 Exit 7 in Chester Chester, Pennsylvania Chester is a city in Delaware County, Pennsylvania, United States, with a population of 33,972 at the 2010 census. Chester is situated on the Delaware River, between the cities of Philadelphia and Wilmington, Delaware.- History :...  in Delaware County. At Exit 20, the highway becomes the PA Turnpike Northeast Extension. The highway travels north around Philadelphia and through Montgomery, Bucks, Lehigh Lehigh County, Pennsylvania -Climate:Most of the county's climate is considered to fall in the humid continental climate zone. Summers are typically hot and muggy, fall and spring are generally mild, and winter is cold. Precipitation is almost uniformly distributed throughout the year.... , Carbon Carbon County, Pennsylvania As of the census of 2000, there were 58,802 people, 23,701 households, and 16,424 families residing in the county. The population density was 154 people per square mile . There were 30,492 housing units at an average density of 80 per square mile...  and Luzerne counties. It passes Allentown Allentown, Pennsylvania Allentown is a city located in Lehigh County, Pennsylvania, in the United States. It is Pennsylvania's third most populous city, after Philadelphia and Pittsburgh, and the 215th largest city in the United States. As of the 2010 census, the city had a total population of 118,032 and is currently...  before it ends in Clarks Summit Clarks Summit, Pennsylvania Clarks Summit is a borough in Lackawanna County northwest of Scranton in northeastern Pennsylvania, United States. The population was 5,116 at the 2010 census. It is also the northern terminus of the Pennsylvania Turnpike Northeast Extension, I-476.-History:...  near Scranton at I-81/US 6/US 11. It is the longest Auxiliary Interstate in Pennsylvania and the United States.
I-576 Pennsylvania Route 576 Pennsylvania Route 576, the Southern Beltway, is a partially completed highway in the southern suburbs of Pittsburgh, Pennsylvania, United States...  (Future)		Interstate 576 will begin at the Pittsburgh International Airport and will travel in an east-west direction along the Southern Beltway route in Pittsburgh, terminating at the Mon-Fayette Expressway Mon-Fayette Expressway The Mon–Fayette Expressway is an interstate tolled freeway that is planned to eventually link Interstate 68 near Morgantown, West Virginia with two branches to Interstate 376 near Pittsburgh, Pennsylvania...  (Pennsylvania Route 43). Route is currently designated as Pennsylvania Route 576 Pennsylvania Route 576 Pennsylvania Route 576, the Southern Beltway, is a partially completed highway in the southern suburbs of Pittsburgh, Pennsylvania, United States... , but will most likely be upgraded to Interstate Highway status after the Southern Beltway is completed.
I-676 Interstate 676 Interstate 676 is an Interstate Highway that serves as a major thoroughfare through Philadelphia, Pennsylvania, where it is known as the Vine Street Expressway, and Camden, New Jersey, where it is known as the northern segment of the North–South Freeway, as well as the Martin Luther King Jr....	2 mi (3.2 km)	The Vine Street Expressway takes traffic out of Philadelphia into New Jersey via the Benjamin Franklin Bridge Benjamin Franklin Bridge The Benjamin Franklin Bridge , originally named the Delaware River Bridge, is a suspension bridge across the Delaware River connecting Philadelphia, Pennsylvania and Camden, New Jersey... . The route begins at Exit 344 of I-76.
I-279 Interstate 279 Interstate 279 is a north–south Interstate Highway spur that lies entirely within Allegheny County, Pennsylvania. Its southern end is at Interstate 376 at the Fort Pitt Bridge in Pittsburgh, and the north end is in Franklin Park at Interstate 79...	13 mi (20.9 km)	Interstate 279, also known as the Parkway North, begins at I-376 at the Fort Pitt Bridge Fort Pitt Bridge The Fort Pitt Bridge is a steel, double decker bowstring arch bridge that spans the Monongahela River near its confluence with the Allegheny River in Pittsburgh, Pennsylvania. It carries Interstate 376 between the Fort Pitt Tunnel and Downtown Pittsburgh.-History:The Fort Pitt Bridge opened on...  in Pittsburgh. It travels 13 miles (20.9 km) north through downtown Pittsburgh before joining I-79 at Exit 72 in Franklin Park Franklin Park, Pennsylvania Franklin Park is a borough in Allegheny County, Pennsylvania, United States. The population was 13,470 at the 2010 census.-Geography:Franklin Park is located at .... . Other names for the road are the North Shore North Shore (Pittsburgh) The North Shore is a neighborhood in Pittsburgh, Pennsylvania's North Side. It has a zip code of 15212, and has representation on Pittsburgh City Council by both the council members for District 1 and 6...  Expressway, East Street Valley Expressway and the Raymond E. Wilt Memorial Highway.
I-579 Interstate 579 Interstate 579 is a north–south Interstate Highway entirely within Pittsburgh, Pennsylvania. At long, it is short but not the shortest signed Interstate, an honor which belongs to I-375 in Michigan...	2 mi (3.2 km)	The Crosstown Boulevard is a short Interstate in Pittsburgh. It connects the Boulevard of the Allies Boulevard of the Allies The Boulevard of the Allies is a mostly four-lane road in the U.S. state of Pennsylvania, connecting Downtown Pittsburgh with the Oakland neighborhood of the city. Because of its lengthy name, locals often refer to it as simply "The Boulevard"....  (PA 885) to I-279 at exit 8A.
I-180 Interstate 180 (Pennsylvania) Interstate 180 is a spur highway that connects Williamsport, Pennsylvania to Interstate 80 near Milton, Pennsylvania. The length of the highway is . It was also the designation of present-day Interstate 176 between Morgantown, Pennsylvania and Reading, when the Pennsylvania Turnpike carried the...	29 mi (46.7 km)	Interstate 180 is a 29 miles (46.7 km) road that connects Williamsport Williamsport, Pennsylvania Williamsport is a city in and the county seat of Lycoming County, Pennsylvania in the United States. In 2009, the population was estimated at 29,304... , Lycoming County Lycoming County, Pennsylvania -Appalachian Mountains and Allegheny Plateau:Lycoming County is divided between the Appalachian Mountains in the south, the dissected Allegheny Plateau in the north and east, and the valley of the West Branch Susquehanna River between these.-West Branch Susquehanna River:The West Branch of the... , to I-80 at Exit 212B near Milton Milton, Pennsylvania Milton is a borough in Northumberland County, Pennsylvania, on the Susquehanna River, north of Harrisburg. Settled in 1770, it was incorporated in 1817, and is governed by a charter that was revised in 1890...  in Northumberland County Northumberland County, Pennsylvania There were 38,835 households out of which 27.30% had children under the age of 18 living with them, 52.40% were married couples living together, 9.60% had a female householder with no husband present, and 34.10% were non-families. 30.20% of all households were made up of individuals and 15.50% had... . The route begins at US 15/US 220 at Exit 29.
I-380 Interstate 380 (Pennsylvania) Interstate 380 is a spur highway in northeast Pennsylvania that connects Interstate 80 with Interstate 81 and Interstate 84. The northern terminus of I-380 is at Interstate 84 near Elmhurst, PA; the southern terminus is in Tunkhannock Township at the junction with Interstate 80. The entire length...	25 mi (40.2 km)	Interstate 380, known as the Scranton-Dunmore Dunmore, Pennsylvania Dunmore is a borough in Lackawanna County, Pennsylvania, adjoining Scranton. Dunmore was settled in 1835 and incorporated in 1862. Extensive anthracite coal, brick, stone, and silk interests had led to a rapid increase in the population to 8,315 in 1890, 12,583 in 1900, 17,615 in 1910, 20,250 in...  Expressway in Scranton, begins at I-80 at Exit 293 in Crescent Lake, Monroe County. It ends at I-81 at Exit 187 in Scranton. The Interstate gives Scranton direct access to the Pocono Mountains.
I-283 Interstate 283 Interstate 283 , considered State Route 283 by PennDOT, is an auxiliary route of the Interstate Highway System located just east of Harrisburg, Pennsylvania, United States. It runs from the Harrisburg East interchange of Interstate 76 north to Interstate 83 and U.S...	3 mi (4.8 km)	Interstate 283 begins at I-76 Exit 247 in Highspire Highspire, Pennsylvania Highspire is a borough in Dauphin County, Pennsylvania, United States. The population was 2,720 at the 2000 census. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.The American actor Don Keefer was born in Highspire in 1916....  and ends at I-83 Exit 46A in Paxtang Paxtang, Pennsylvania Paxtang is a borough in Dauphin County, Pennsylvania, United States. The borough is a suburb of Harrisburg and is one of the earliest colonial settlements in South Central Pennsylvania.-History:... . The highway is entirely in Dauphin County Dauphin County, Pennsylvania Dauphin County is a county in the U.S. state of Pennsylvania and is one of the three counties comprising the Harrisburg–Carlisle Metropolitan Statistical Area. As of 2010 census, the population was 268,100. The county includes the city of Harrisburg, which has served as the state capital...  and is an eastern shore bypass of Harrisburg.
I-195 (Future)		Interstate 195 will begin at the I-95/I-276/PA Turnpike interchange (currently under construction) and will utilize the existing I-95 right-of-way between the interchange and the Scudder Falls Bridge to New Jersey.