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Interstate 99 Main route of the Interstate Highway System
Length:	51.2 mi[1] (82.4 km)
Formed:	Written into law: 1995 Approved by AASHTO: 1998
South end:	I-70/I-76/PA Tpk near Bedford, PA
North end:	US 220 near Bald Eagle, PA
Pennsylvania State Routes < PA 98 PA 99 > Appalachian Development Highway System < Corridor N O Corridor P > Legislative

Interstate 99 (abbreviated I-99) is a main route of the Interstate Highway System in central Pennsylvania. It currently begins at the Pennsylvania Turnpike and ends in Bald Eagle, Pennsylvania at Pennsylvania Route 350. However, recent legislation has this route beginning from Cumberland, Maryland and ending in near Corning, New York. Image File history File links I-blank. ... Primary interstates are the major interstate highways of the United States and are assigned a one or two-digit route number. ... Image File history File links I-99. ... The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System, is a network of highways (also called expressways) in the United States. ... Image File history File links Size of this preview: 800 × 450 pixelsFull resolution (2205 × 1239 pixel, file size: 88 KB, MIME type: image/png) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Interstate 99 ... A mile is a unit of length, usually used to measure distance, in a number of different systems, including Imperial units, United States customary units and Norwegian/Swedish mil. ... km redirects here. ... This page is a candidate to be moved to Wiktionary. ... Image File history File links I-70. ... Image File history File links I-76. ... Image File history File links Pennsylvania_Turnpike_logo. ... Interstate 70 (abbreviated I-70) is a long interstate highway in the United States that runs from Interstate 15 about a mile from Cove Fort, Utah to a Park and Ride in Baltimore, Maryland. ... Interstate 76 (abbreviated I-76) is an Interstate Highway in the United States, running 435 miles (700 km) from an interchange with Interstate 71 west of Akron, Ohio east to Interstate 295 near Camden, New Jersey. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ... Bedford is a borough located in Bedford County, Pennsylvania. ... Image File history File links US_220. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Bald Eagle is a unincorporated populated place in Blair County, Pennsylvania, United States. ... It has been suggested that this article or section be merged with List of Pennsylvania numbered highways. ... Image File history File links This is a lossless scalable vector image. ... Pennsylvania Route 98 is a state highway located in western Pennsylvania. ... Pennsylvania Route 99 is a 20 mile long state highway located in western Pennsylvania. ... Image File history File links PA-99. ... AHDS is part of the Appalachian Regional Commission History In 1964, the President’s Appalachian Regional Commission (PARC) reported to Congress that economic growth in Appalachia would not be possible until the Region’s isolation had been overcome. ... Image File history File links No_image. ... Corridor N is a highway in the U.S. states of Maryland and Pennsylvania. ... Corridor O is part of the Appalachian Development Highway System and mainly follows the path of US 220 and I-99. ... Corridor P is a highway in the U.S. state of Pennsylvania. ... Image File history File links No_image. ... From the 1911 passage of the Sproul Road Bill to the 1987 adoption of the Location Referencing System, all state highways in the U.S. state of Pennsylvania were defined as legislative routes, while some were also posted as Traffic Routes. ... The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System, is a network of highways (also called expressways) in the United States. ... Official language(s) English, Pennsylvania Dutch Capital Harrisburg Largest city Philadelphia Area  Ranked 33rd  - Total 46,055 sq mi (119,283 km²)  - Width 280 miles (455 km)  - Length 160 miles (255 km)  - % water 2. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ... Bald Eagle is a unincorporated populated place in Blair County, Pennsylvania, United States. ... Nickname: Location in Maryland Coordinates: County Allegany County State Maryland Country United States founded 1787 incorporated 1815 Government  - Mayor Lee N. Fiedler Area  - City 23. ... Corning, New York is the name of two places in Steuben County, New York, although it most frequently means the City of Corning. ...

Route description

Official language(s) English, Pennsylvania Dutch Capital Harrisburg Largest city Philadelphia Area  Ranked 33rd  - Total 46,055 sq mi (119,283 km²)  - Width 280 miles (455 km)  - Length 160 miles (255 km)  - % water 2. ...

Maryland (Future Routing)

Cumberland to Pennsylvania (future routing)

The full route of I-99 is part of Corridor O of the Appalachian Development Highway System, which runs along US 220 from Interstate 68 near Cumberland, Maryland north onto I-99 near Bedford, Pennsylvania. Corridor O is part of the Appalachian Development Highway System and mainly follows the path of US 220 and I-99. ... AHDS is part of the Appalachian Regional Commission History In 1964, the President’s Appalachian Regional Commission (PARC) reported to Congress that economic growth in Appalachia would not be possible until the Region’s isolation had been overcome. ... Interstate 68 is an interstate highway in the United States. ... Nickname: Location in Maryland Coordinates: County Allegany County State Maryland Country United States founded 1787 incorporated 1815 Government  - Mayor Lee N. Fiedler Area  - City 23. ... Bedford is a borough located in Bedford County, Pennsylvania. ...

Pennsylvania

While the current road starts from Bedford until Bald Eagle, future plans have this road starting from the Pennsylvania-Maryland border mostly along U.S. Route 220 and then along U.S. Route 15 going towards New York. Current plans have this road ending at Interstate 80 near Bellefonte, Pennsylvania. Bedford is a borough located in Bedford County, Pennsylvania. ... Bald Eagle is a unincorporated populated place in Blair County, Pennsylvania, United States. ... Official language(s) English, Pennsylvania Dutch Capital Harrisburg Largest city Philadelphia Area  Ranked 33rd  - Total 46,055 sq mi (119,283 km²)  - Width 280 miles (455 km)  - Length 160 miles (255 km)  - % water 2. ... Official language(s) None (English, de facto) Capital Annapolis Largest city Baltimore Area  Ranked 42nd  - Total 12,407 sq mi (32,133 km²)  - Width 90 miles (145 km)  - Length 249 miles (400 km)  - % water 21  - Latitude 37°53N to 39°43N  - Longitude 75°4W to 79°33... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... U.S. Highway 15 is a north-south United States highway that runs for 794 miles from central New York to southern South Carolina. ... NY redirects here. ... Interstate 80 (abbreviated I-80) is the second-longest Interstate Highway in the United States. ... Bellefonte is a borough located in Centre County, Pennsylvania. ...

The names given to this road include the Bud Shuster Highway and Appalachian Thruway; the latter name continues north with US 220 and US 15.

Within Pennsylvania, the road presently runs 51.2 miles (82.4 km)^[1], all concurrent with U.S. Route 220, from an indirect connection with the Pennsylvania Turnpike (Interstate 70 and Interstate 76) near Bedford north past Altoona to a temporary terminus near Bald Eagle. Immediate plans will extend it northeast past State College to Interstate 80 near Bellefonte. A multiplex or concurrency on a road network occurs where a single physical road carries two or more different highway, motorway, or other road numbers. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ... Interstate 70 (abbreviated I-70) is a long interstate highway in the United States that runs from Interstate 15 about a mile from Cove Fort, Utah to a Park and Ride in Baltimore, Maryland. ... Interstate 76 (abbreviated I-76) is an Interstate Highway in the United States, running 435 miles (700 km) from an interchange with Interstate 71 west of Akron, Ohio east to Interstate 295 near Camden, New Jersey. ... Bedford is a borough located in Bedford County, Pennsylvania. ... Altoona is a city in Blair County, Pennsylvania, United States. ... Bald Eagle is a unincorporated populated place in Blair County, Pennsylvania, United States. ... “State College” redirects here. ... Interstate 80 (abbreviated I-80) is the second-longest Interstate Highway in the United States. ... Bellefonte is a borough located in Centre County, Pennsylvania. ...

Maryland to Bedford (future routing)

Interstate 99 is planned to start from the Maryland border to be a continuation to the existing routing which starts in Bedford, Pennsylvania. Bedford is a borough located in Bedford County, Pennsylvania. ...

Bedford to Altoona

Interstate 99 currently begins as a continuation of the two lane portion of U.S. Route 220 from Maryland near the Pennsylvania Turnpike (I-76). The interchange with the turnpike requires drivers to get onto Old U.S. Route 220 near Bedford, Pennsylvania in order to connect to the Pennsylvania Turnpike. This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ... Interstate 76 (abbreviated I-76) is an Interstate Highway in the United States, running 435 miles (700 km) from an interchange with Interstate 71 west of Akron, Ohio east to Interstate 295 near Camden, New Jersey. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Bedford is a borough located in Bedford County, Pennsylvania. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ...

This route continues north towards Altoona, Pennsylvania. Altoona is a city in Blair County, Pennsylvania, United States. ...

Altoona to Tyrone

From Altoona, Pennsylvania, the highway has a large intersection with U.S. Route 22 in Hollidaysburg, Pennsylvania. This interchange allows one to head west towards Ebensburg, Pennsylvania and Johnstown, Pennsylvania. Around here, Pennsylvania Route 724 begins only to intersect later at Bellwood, Pennsylvania. Altoona is a city in Blair County, Pennsylvania, United States. ... Signs for U-turn ramps on US 22 in Union County, New Jersey United States Highway 22, an east-west route, is one of the original United States highways of 1926. ... Hollidaysburg is a borough in Blair County, Pennsylvania, on the Juniata River, 7 Miles (11 km) south of Altoona. ... Ebensburg is a borough located in Cambria County, Pennsylvania 16 miles (26 km) west of Altoona. ... Nickname: Flood City Location of Pennsylvania within the USA Johnstown, Cambria County, Pennsylvania, U.S.A. Coordinates: Country United States State Pennsylvania County Cambria Government  - Mayor Tom Trigona Area  - City  6. ... Pennsylvania Route 724 is a 30 mile road spanning from Sinking Spring, Pennsylvania to Phoenixville, Pennsylvania. ... Bellwood is a borough located in Blair County, Pennsylvania. ...

Heading towards Tyrone, Pennsylvania, Interstate 99 goes along one of the older sections of the highways back when U.S. Route 220 was first converted to a limited access highway. Also near here is the Blands Park amusement park. Tyrone is a borough located in Blair County, Pennsylvania, 15 miles (24 km) northeast of Altoona, on the Little Juniata River. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ...

Tyrone to State College (future routing)

In Tyrone, Pennsylvania itself, Interstate 99 is a short elevated expressway at Pennsylvania Route 453, built similar Interstate 95 in Philadelphia, Pennsylvania. This section is notorious for speed traps as many cars heading downhill from Bald Eagle, Pennsylvania must use brakes in order to stay within the speed limit. Tyrone is a borough located in Blair County, Pennsylvania, 15 miles (24 km) northeast of Altoona, on the Little Juniata River. ... Wikimedia Commons has media related to: Interstate 95 Interstate 95 (abbreviated I-95) is a well-known, important, and heavily traveled highway in the United States Interstate Highway System. ... Nickname: City of Brotherly Love, Philly, the Quaker City Motto: Philadelphia maneto (Let brotherly love continue) Location in Pennsylvania Coordinates: Country United States State Pennsylvania County Philadelphia Founded October 27, 1682 Incorporated October 25, 1701 Mayor John F. Street (D) Area    - City 369. ... Bald Eagle is a unincorporated populated place in Blair County, Pennsylvania, United States. ...

From Bald Eagle, Pennsylvania to State College, Pennsylvania, the road is not yet open due to an acid rock issue. Bald Eagle is a unincorporated populated place in Blair County, Pennsylvania, United States. ... “State College” redirects here. ...

State College to Bellefonte (future routing)

In State College, Pennsylvania, Interstate 99 is already built, but not signed. The routing takes half of the Nittany Expressway (U.S. Route 322) and goes northward from Penn State's Research Park. It should be noted that U.S. Route 220 was rerouted here as well as the old routing used to go directly to Milesburg, Pennsylvania. From Benner Pike in State College, Pennsylvania, Interstate 99 continues along an old "super 2" highway routing of Pennsylvania Route 26 going towards Bellefonte, Pennsylvania. The current plans are to have Interstate 99 end at Interstate 80. “State College” redirects here. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... The Pennsylvania State University (commonly known as Penn State) is a state-related, land-grant university. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Milesburg is a borough located in Centre County, Pennsylvania. ... “State College” redirects here. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ... Bellefonte is a borough located in Centre County, Pennsylvania. ... Interstate 80 (abbreviated I-80) is the second-longest Interstate Highway in the United States. ...

Bellefonte to Williamsport (future routing)

From Bellefonte, Pennsylvania to Williamsport, Pennsylvania, plans are to have this road continue along U.S. Route 220. Bellefonte is a borough located in Centre County, Pennsylvania. ... Map of Lycoming County, Pennsylvania highlighting Williamsport Williamsport is a city in and the county seat of Lycoming CountyGR6, Pennsylvania in the United States. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ...

Williamsport to New York (future routing)

From Williamsport, Pennsylvania to Corning, New York, plans are to have this road continue along U.S. Route 15 and ending at Interstate 86. Map of Lycoming County, Pennsylvania highlighting Williamsport Williamsport is a city in and the county seat of Lycoming CountyGR6, Pennsylvania in the United States. ... Corning, New York is the name of two places in Steuben County, New York, although it most frequently means the City of Corning. ... U.S. Highway 15 is a north-south United States highway that runs for 794 miles from central New York to southern South Carolina. ... {{{type3}}} JUNCTIONS JUNCTION EXIT # I-90 PA 1 I-390 NY 146 (36) I-99 NY 169 (44) I-81 NY 245 NY (75) I-84 NY 362 (121) I-87 NY Legend BROWSE STATE HWYS Prev Next {{{browse}}} Interstate 86 runs from an intersection with Interstate 90 in Erie...

New York (Future Routing)

Pennsylvania to Corning (future routing)

In the state of New York, this road is slated to continue north from Pennsylvania north along U.S. Route 15 to Interstate 86 near Corning, New York. NY redirects here. ... U.S. Highway 15 is a north-south United States highway that runs for 794 miles from central New York to southern South Carolina. ... {{{type3}}} JUNCTIONS JUNCTION EXIT # I-90 PA 1 I-390 NY 146 (36) I-99 NY 169 (44) I-81 NY 245 NY (75) I-84 NY 362 (121) I-87 NY Legend BROWSE STATE HWYS Prev Next {{{browse}}} Interstate 86 runs from an intersection with Interstate 90 in Erie... Rockwell Museum Corning is a city in Steuben County, New York, United States, on the Chemung River. ...

Numbering Plan Issue

Unlike most Interstate numbers, which are assigned by AASHTO to fit into a grid, I-99's number was written into the National Highway Designation Act of 1995 by Bud Shuster, then-chair of the U.S. House Committee on Transportation and Infrastructure. It had been designated as a High Priority Corridor by the Intermodal Surface Transportation Efficiency Act of 1991. The number was not chosen to fit the grid, as it lies between Interstate 79 and Interstate 81, and no suitable two-digit number was available. However, many suitable three-digit route numbers were available, such as I-370 or I-576. Image File history File links Unbalanced_scales. ... This page is a candidate to be moved to Wiktionary. ... The National Highway Designation Act of 1995 (Pub. ... Elmer Greinert Bud Shuster (born January 23, 1932) is an American politician who represented Pennsylvania in the United States House of Representatives as a Republican from 1972 to 2001. ... The U.S. House Committee on Transportation and Infrastructure has jurisdiction over: Aviation Economic Development, Public Buildings, and Emergency Management Railroads Coast Guard and Maritime Transportation Highways, Transit, and Pipelines Water Resources and Environment A subcommittee represents each area of jurisdiction. ... The Intermodal Surface Transportation Efficiency Act of 1991 (Public Law 102-240) (ISTEA, pronounced Ice-Tea) posed a major change to transportation planning and policy, as the first US federal legislation on the subject in the post-Interstate Highway System era. ... Interstate 79 (abbreviated I-79) is an interstate highway in the eastern United States. ... Interstate 81 (abbreviated I-81) is an interstate highway in the eastern part of the United States. ...

Major cities

• Cumberland, Maryland (future)
• Bedford, Pennsylvania
• Altoona, Pennsylvania
• Tyrone, Pennsylvania
• State College, Pennsylvania (by late 2007)
• Bellefonte, Pennsylvania (by late 2007)
• Williamsport, Pennsylvania (future)
• Corning, New York (future)

Nickname: Location in Maryland Coordinates: County Allegany County State Maryland Country United States founded 1787 incorporated 1815 Government  - Mayor Lee N. Fiedler Area  - City 23. ... Bedford is a borough located in Bedford County, Pennsylvania. ... Altoona is a city in Blair County, Pennsylvania, United States. ... Tyrone is a borough located in Blair County, Pennsylvania, 15 miles (24 km) northeast of Altoona, on the Little Juniata River. ... “State College” redirects here. ... Bellefonte is a borough located in Centre County, Pennsylvania. ... Map of Lycoming County, Pennsylvania highlighting Williamsport Williamsport is a city in and the county seat of Lycoming CountyGR6, Pennsylvania in the United States. ... Corning, New York is the name of two places in Steuben County, New York, although it most frequently means the City of Corning. ...

History

This article contains information about a planned or expected future road. It may contain information of a speculative nature and the content may change dramatically as the road's construction and/or completion approaches and more information becomes available.

Interstate 99 excavation in 2002, looking south from Julian toward Port Matilda on Bald Eagle Mountain, where acidic rock was exposed. U.S. Route 322/220 (Skytop Mountain Road), runs below the I-99 alignment. Eagle Field private airport is at the upper left

Corridor O of the Appalachian Development Highway System was assigned in 1965, running from Cumberland, Maryland (Corridor E, now Interstate 68) to Bellefonte, Pennsylvania (Interstate 80) along U.S. Route 220. The portion in Pennsylvania, from Bedford north to Bald Eagle, was upgraded to a freeway in stages from 1970 to 1995. Image File history File links Current_event_marker. ... Image File history File links Autoroute_icone. ... Image File history File linksMetadata Size of this preview: 450 × 600 pixelsFull resolution (1198 × 1597 pixel, file size: 372 KB, MIME type: image/jpeg) Source Originally from en. ... Image File history File linksMetadata Size of this preview: 450 × 600 pixelsFull resolution (1198 × 1597 pixel, file size: 372 KB, MIME type: image/jpeg) Source Originally from en. ... Julian is a census-designated place located in Centre County, Pennsylvania. ... Port Matilda is a borough located in Centre County, Pennsylvania. ... Bald Eagle Mountain is a stratigraphic ridge in central Pennsylvania, United States, running east of the Allegheny Front and northwest of Mount Nittany. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... AHDS is part of the Appalachian Regional Commission History In 1964, the President’s Appalachian Regional Commission (PARC) reported to Congress that economic growth in Appalachia would not be possible until the Region’s isolation had been overcome. ... Nickname: Location in Maryland Coordinates: County Allegany County State Maryland Country United States founded 1787 incorporated 1815 Government  - Mayor Lee N. Fiedler Area  - City 23. ... Interstate 68 (abbreviated I-68) is an Interstate Highway in the United States. ... Interstate 68 is an interstate highway in the United States. ... Bellefonte is a borough located in Centre County, Pennsylvania. ... Interstate 80 (abbreviated I-80) is the second-longest Interstate Highway in the United States. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Bedford is a borough located in Bedford County, Pennsylvania, 85 miles (137 km) west by south of the State Capital, Harrisburg. ... Bald Eagle is a unincorporated populated place in Blair County, Pennsylvania, United States. ... Interstate 80 (Eastshore Freeway) in Berkeley, a typical American freeway (MUTCD definition) A freeway is a type of highway that is designed for safer high-speed operation of motor vehicles through the elimination of at-grade intersections. ...

As the interchange with the Pennsylvania Turnpike near Bedford was built long before the new freeway opened, there is no direct freeway-to-freeway access between the Turnpike (I-70 and I-76) and I-99. Traffic must use U.S. Route 220 Business, the old alignment of US 220 before the freeway. High-capacity freeway interchange in Los Angeles, California. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ... Bedford is a borough located in Bedford County, Pennsylvania, 85 miles (137 km) west by south of the State Capital, Harrisburg. ...

In 1991, the Intermodal Surface Transportation Efficiency Act (ISTEA) was signed into law. It included a number of High Priority Corridors, one of which - Corridor 9 - ran along US 220 from Bedford to Williamsport, Pennsylvania, and then north on U.S. Route 15 to Corning, New York. The Intermodal Surface Transportation Efficiency Act of 1991 (Public Law 102-240) (ISTEA, pronounced Ice-Tea) posed a major change to transportation planning and policy, as the first US federal legislation on the subject in the post-Interstate Highway System era. ... Map of Lycoming County, Pennsylvania highlighting Williamsport Williamsport is a city in and the county seat of Lycoming CountyGR6, Pennsylvania in the United States. ... U.S. Highway 15 is a north-south United States highway that runs for 794 miles from central New York to southern South Carolina. ... Rockwell Museum Corning is a city in Steuben County, New York, United States, on the Chemung River. ...

The National Highway Designation Act of 1995 amended ISTEA; among these amendments were that "the portion of the route referred to in subsection (c)(9) [Corridor 9] is designated as Interstate Route I-99." This was the first Interstate number to be written into law rather than assigned by the American Association of State Highway and Transportation Officials (AASHTO). (Interstate 73 and the extension of Interstate 74 had been defined in 1991 by ISTEA as the "I-73/74 North-South Corridor", but not officially added to the Interstate Highway System or assigned those numbers.) The National Highway Designation Act of 1995 (Pub. ... AASHTO, the American Association of State Highway and Transportation Officials, is a standards setting body which publishes specifications, test protocols and guidelines which are used in highway design and construction throughout the United States. ... Interstate 73 (abbreviated I-73) is a main route of the Interstate Highway System, currently located entirely within the U.S. state of North Carolina. ... Interstate 74 (abbreviated I-74) is an interstate highway in the Midwestern and southeastern United States. ...

On November 6, 1998, AASHTO approved the I-99 designation from Bedford to Bald Eagle. Since then, the connection through the Nittany Valley between the existing State College bypass on U.S. Route 322 and Interstate 80 has been built (the northernmost piece was widened from a two-lane freeway in 1997). On its completion in 2002, U.S. Route 220 was rerouted via US 322 and the new road, and the old US 220 north of US 322 was designated U.S. Route 220 Alternate. November 6 is the 310th day of the year (311th in leap years) in the Gregorian calendar, with 55 days remaining. ... 1998 (MCMXCVIII) was a common year starting on Thursday of the Gregorian calendar, and was designated the International Year of the Ocean [1]. // Coated in ice, power and telephone lines sag and often break, resulting in power outages. ... The Little Nittany Valley, looking north from Bellefonte. ... “State College” redirects here. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Interstate 80 (abbreviated I-80) is the second-longest Interstate Highway in the United States. ... A two-lane freeway or two-lane expressway is a freeway or expressway with only one lane in each direction, and usually no median barrier. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ...

The road through the Bald Eagle Valley between Bald Eagle and State College is presently under construction, and the interchange with I-80 is not up to freeway standards. Construction has been delayed since 2004 by complaints from the Pennsylvania Department of Environmental Protection about acidic surface runoff from unearthed pyritic rock leaking into the groundwater and nearby creeks draining to the Bald Eagle Creek. Excavation began in late 2002, and a year later, more than 3 million cubic meters of excavation spoils had been generated, with up to 30% from a 200 meter vein of Ordovician sandstone containing iron sulfide, or iron pyrite. When exposed to air and water, these minerals produced sulfuric acid, contaminating both surface runoff and groundwater^[3]. A wave window over the Bald Eagle Valley looking north from Port Matilda. ... High-capacity freeway interchange in Los Angeles, California. ... Interstate 80 (Eastshore Freeway) in Berkeley, a typical American freeway (MUTCD definition) A freeway is a type of highway that is designed for safer high-speed operation of motor vehicles through the elimination of at-grade intersections. ... The Pennsylvania Department of Environmental Protection (often abbreviated PA DEP, or just DEP) is state agency in the U.S. state of Pennsylvania. ... For alternative meanings see acid (disambiguation). ... Runoff flowing into a stormwater drain Surface runoff is water, from rain, snowmelt, or other sources, that flows over the land surface, and is a major component of the water cycle[1][2]. Runoff that occurs on surfaces before reaching a channel is also called overland flow. ... This article is about the mineral Pyrite or Fools Gold. ... Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of geologic formations. ... Bald Eagle Creek from Pennsylvania Route 150 near Lock Haven Bald Eagle Creek is a tributary of the West Branch Susquehanna River mostly in Centre County, Pennsylvania in the United States. ... In civil engineering, earthworks are engineering works created through the moving of massive quantities of soil or unformed stone. ... The cubic metre (symbol m³) is the SI derived unit of volume. ... The Ordovician period is the second of the six (seven in North America) periods of the Paleozoic era. ... Red sandstone interior of Lower Antelope Canyon, Arizona, worn smooth due to erosion by flash flooding over millions of years Sandstone is a sedimentary rock composed mainly of sand-size mineral or rock grains. ... Iron(II) sulfide is a form of iron sulfide (others include iron pyrite aka Fools Gold), and can be obtained by reacting iron and sulfur under great heat. ... The mineral pyrite, or iron pyrite, is iron disulfide, FeS2. ... Sulfuric acid, H2SO4, is a strong mineral acid. ...

PennDOT halted construction in March 2004 to give full attention to resolving the environmental problem posed by the massive pyritic rock piles. As of late 2006, the remediation plan had not been finalized. Original plans to truck the contaminated spoils to strip mine pits were blocked by local opposition at the disposal sites, and the plans were abandoned. Current plans call for moving the piles to another point along the I-99 right-of-way.

Bill S.719 of 2005, sponsored by Paul Sarbanes of Maryland, would have extended Corridor O south to Corridor H in West Virginia. Paul Spyros Sarbanes (born February 3, 1933), a Democrat, is the senior United States Senator representing the state of Maryland. ... Official language(s) None (English, de facto) Capital Annapolis Largest city Baltimore Area  Ranked 42nd  - Total 12,407 sq mi (32,133 km²)  - Width 90 miles (145 km)  - Length 249 miles (400 km)  - % water 21  - Latitude 37°53N to 39°43N  - Longitude 75°4W to 79°33... U.S. Route 48 or Corridor H is part of the Appalachian Development Highway System. ... Official language(s) English Capital Charleston Largest city Charleston Area  Ranked 41st  - Total 24,244 sq mi (62,809 km²)  - Width 130 miles (210 km)  - Length 240 miles (385 km)  - % water 0. ...

As defined in Federal law, I-99 is to continue north to Corning, New York. Signs have been placed along the present U.S. Route 220 and U.S. Route 15, much of which are built to freeway standards, marking the route as the "Future I-99 Corridor". Rockwell Museum Corning is a city in Steuben County, New York, United States, on the Chemung River. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... U.S. Highway 15 is a north-south United States highway that runs for 794 miles from central New York to southern South Carolina. ... Interstate 80 (Eastshore Freeway) in Berkeley, a typical American freeway (MUTCD definition) A freeway is a type of highway that is designed for safer high-speed operation of motor vehicles through the elimination of at-grade intersections. ...

Exit list

The exit list of this U.S. road-related article needs to be cleaned up to conform to the Manual of Style. After the exit list has been cleaned up, you may remove this message.

Number	Mile	Municipality	Destinations	Notes
		Bedford Borough	Bedford
		Bedford Township	US 30 - Everett/Breezewood/Greensburg
1		Bedford Township	Interstate 70/PA Turnpike/Interstate 76 - Pittsburgh/Harrisburg	I-99 begins northbound and ends southbound along US 220. Bedford exit on PA Turnpike
3		Bedford Township	PA 56 - Johnstown/Cessna
7		East St. Clair Township	PA 869 - St. Clairsville/Osterburg
10		King Township	Blue Knob State Park
15		Greenfield Township	Claysburg/King
23		Freedom Township	/ to PA 36/PA 164 to US 22 east - Roaring Spring/Portage/Hollidaysburg
28		Allegheny Township	US 22 west - Ebensburg/Hollidaysburg
31		Logan Township	Plank Road
32		Logan Township	To Route 36 - Frankstown Road
33		Logan Township	17th Street
39		Antis Township	PA 764 south - Pinecroft
41		Antis Township	PA 865 north - Bellwood
45		Antis Township	Grazierville
48		Snyder Township	PA 453 north - Tyrone
52		Snyder Township	PA 350 - Bald Eagle	I-99 presently ends northbound and begins southbound along U.S. Route 220
		Worth Township	US 322 west - Port Matilda	not open
		Worth Township	US 322 west	not open southbound exit and northbound entrance; US 322 joins northbound and leaves southbound
		Patton Township	Scotia Road
69		Patton Township	U.S. Route 322 Business east - Atherton Street/Park Forest/Valley Vista Drive
		Patton Township	Toftrees/Woodycrest
73		College Township	U.S. Route 322 east - Penn State University/State College/Lewistown	US 322 joins southbound and leaves northbound
74		College Township	Innovation Park/Penn State University	southbound exit and northbound entrance
76		Benner Township	Dale Summit/Nittany Mall	State Correctional Institution - Rockview area, do not stop vehicle for next 2 miles
78		Benner Township	PA 150 - Bellefonte	split into 78A and 78B
80		Spring Township	Harrison Road	northbound exit and southbound entrance
81		Spring Township	PA 26 south to PA 64 - Pleasant Gap	PA 26 joins northbound and leaves southbound
		Spring Township	PA 550 - Bellefonte/Zion

Image File history File links No higher resolution available. ... Exit numbers on Interstate 4 in Volusia County, Florida. ... Bedford is a borough located in Bedford County, Pennsylvania, 85 miles (137 km) west by south of the State Capital, Harrisburg. ... Bedford is a borough located in Bedford County, Pennsylvania, 85 miles (137 km) west by south of the State Capital, Harrisburg. ... Bedford Township is a township located in Bedford County, Pennsylvania. ... Image File history File links US_30. ... U.S. Route 30 is an east-west main route of the system of United States Numbered Highways. ... Main Street in Everett. ... The end of I-70, with a gauntlet of gas/food/motels to be run before reaching the Pennsylvania Turnpike. ... Greensburg is a city in Westmoreland County, Pennsylvania, USA and part of the Pittsburgh Metro Area. ... Bedford Township is a township located in Bedford County, Pennsylvania. ... Image File history File links I-70. ... Image File history File links I-76. ... Image File history File links Pennsylvania_Turnpike_logo. ... Interstate 70 (abbreviated I-70) is a long interstate highway in the United States that runs from Interstate 15 about a mile from Cove Fort, Utah to a Park and Ride in Baltimore, Maryland. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ... Interstate 76 (abbreviated I-76) is an Interstate Highway in the United States, running 435 miles (700 km) from an interchange with Interstate 71 west of Akron, Ohio east to Interstate 295 near Camden, New Jersey. ... Nickname: Steel City, Iron City, Steel Town, City of Champions, City of Bridges, City of Colleges, The Burgh Motto: Benigno Numine (With the Benevolent Deity) Location in Allegheny County, Pennsylvania Coordinates: Country United States State Pennsylvania County Allegheny County Founded November 25, 1758 Incorporated April 22, 1794 (borough)   March 18... Harrisburg is the capital of Pennsylvania, a state of the United States of America. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Bedford Township is a township located in Bedford County, Pennsylvania. ... Image File history File links PA-56. ... Pennsylvania Route 56 is a major 99 mile long state highway located in central Pennsylvania. ... Johnstown is a city located in Cambria County, Pennsylvania. ... East St. ... Image File history File links This is a lossless scalable vector image. ... St. ... Osterburg, PA is a small town in Bedford County. ... King Township is a township located in Bedford County, Pennsylvania. ... Blue Knob State Park is a state park in the U.S. state of Pennsylvania. ... Greenfield Township is a township located in Blair County, Pennsylvania. ... Claysburg is a census-designated place (CDP) in Blair County, Pennsylvania, United States. ... Freedom Township is a township located in Blair County, Pennsylvania. ... Image File history File links This is a lossless scalable vector image. ... Image File history File links This is a lossless scalable vector image. ... Image File history File links US_22. ... Pennsylvania Route 36 is a 144 mile long state highway located in western Pennsylvania. ... Signs for U-turn ramps on US 22 in Union County, New Jersey United States Highway 22, an east-west route, is one of the original United States highways of 1926. ... Roaring Spring in Morrison Cove, is a borough Blair County, Pennsylvania, United States. ... Portage is a borough within Portage Township in Cambria County, Pennsylvania, seven miles (11 km) southeast of Ebensburg and 16 miles (24 km) WSW of Altoona. ... Hollidaysburg is a borough in Blair County, Pennsylvania, on the Juniata River, 7 Miles (11 km) south of Altoona. ... Allegheny Township is a township located in Blair County, Pennsylvania. ... Image File history File links US_22. ... Signs for U-turn ramps on US 22 in Union County, New Jersey United States Highway 22, an east-west route, is one of the original United States highways of 1926. ... Ebensburg is a borough centrally located within Cambria Township, located in Cambria County, Pennsylvania, 16 miles (26 km) west of Altoona. ... Hollidaysburg is a borough in Blair County, Pennsylvania, on the Juniata River, 7 Miles (11 km) south of Altoona. ... Logan Township is a township located in Blair County, Pennsylvania. ... Logan Township is a township located in Blair County, Pennsylvania. ... Image File history File links This is a lossless scalable vector image. ... Pennsylvania Route 36 is a 144 mile long state highway located in western Pennsylvania. ... Logan Township is a township located in Blair County, Pennsylvania. ... Antis Township is a township located in Blair County, Pennsylvania. ... Image File history File links This is a lossless scalable vector image. ... Antis Township is a township located in Blair County, Pennsylvania. ... Image File history File links This is a lossless scalable vector image. ... Bellwood is a borough in Blair County, Pennsylvania, United States. ... Antis Township is a township located in Blair County, Pennsylvania. ... Snyder Township is a township located in Blair County, Pennsylvania. ... Image File history File links This is a lossless scalable vector image. ... Tyrone is a borough in Blair County, Pennsylvania, 15 miles (24 km) northeast of Altoona, on the Little Juniata River. ... Snyder Township is a township located in Blair County, Pennsylvania. ... Image File history File links This is a lossless scalable vector image. ... Bald Eagle is a unincorporated populated place in Blair County, Pennsylvania, United States. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Worth Township is a township located in Centre County, Pennsylvania. ... Image File history File links US_322. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Port Matilda is a borough in Centre County, Pennsylvania, United States. ... Worth Township is a township located in Centre County, Pennsylvania. ... Image File history File links US_322. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... Patton Township is a township located in Centre County, Pennsylvania. ... Patton Township is a township located in Centre County, Pennsylvania. ... Image File history File links US_322. ... Patton Township is a township located in Centre County, Pennsylvania. ... College Township is a township located in Centre County, Pennsylvania. ... Image File history File links US_322. ... This U.S. Highway article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject U.S. Highways. ... The Pennsylvania State University The Pennsylvania State University (commonly known as Penn State) is a state-related land-grant university in Pennsylvania, with over 80,000 students at 24 campuses throughout the state. ... “State College” redirects here. ... Lewistown is a borough located on the Juniata River, 61 miles (98 km) northwest of Harrisburg in Mifflin County, Pennsylvania. ... College Township is a township located in Centre County, Pennsylvania. ... Innovation Park at Pennsylvania State University was built to be a incubator of new businesses for job creation. ... The Pennsylvania State University The Pennsylvania State University (commonly known as Penn State) is a state-related land-grant university in Pennsylvania, with over 80,000 students at 24 campuses throughout the state. ... Benner Township is a township located in Centre County, Pennsylvania. ... The Pennsylvania State Correctional Institution at Rockview is located by near State College, Pennsylvania. ... Benner Township is a township located in Centre County, Pennsylvania. ... Image File history File links This is a lossless scalable vector image. ... Pennsylvania Route 150 is a 39 mile long highway in Central Pennsylvania. ... Bellefonte is a borough in Centre County, Pennsylvania, United States. ... Spring Township is a township located in Centre County, Pennsylvania. ... Spring Township is a township located in Centre County, Pennsylvania. ... Image File history File links No higher resolution available. ... This Pennsylvania state route article needs to be cleaned up to conform to both a higher standard of article quality and accepted design standards outlined in the WikiProject Pennsylvania State Highways. ... Image File history File links PA-64. ... Pennsylvania Route 64 is a 15 mile long north-south state route located in central Pennsylvania. ... Pleasant Gap is a census-designated place (CDP) in Centre County, Pennsylvania, United States. ... Spring Township is a township located in Centre County, Pennsylvania. ... Image File history File links This is a lossless scalable vector image. ... Pennsylvania Route 550 goes for thirty-six miles and is known as Pennington Road, Halfmoon Valley Road, Centre Line Road, Buffalo Run Road, Water Street, High Street, Bishop Street, and Zion Road. ... Bellefonte is a borough in Centre County, Pennsylvania, United States. ... Zion is a census-designated place located in Centre County, Pennsylvania. ...

Intersections with other freeways

• U.S. Route 30 in Bedford, Pennsylvania
• Interstate 70 near Wolfsburg, Pennsylvania
• U.S. Route 22 near Sunbrook, Pennsylvania

U.S. Route 30 is an east-west main route of the system of United States Numbered Highways. ... Bedford is a borough located in Bedford County, Pennsylvania. ... Interstate 70 (abbreviated I-70) is a long interstate highway in the United States that runs from Interstate 15 about a mile from Cove Fort, Utah to a Park and Ride in Baltimore, Maryland. ... Signs for U-turn ramps on US 22 in Union County, New Jersey United States Highway 22, an east-west route, is one of the original United States highways of 1926. ...

References

1. ^ ^{a b} American Association of State Highway and Transportation Officials - Report of the Special Committee on U.S. Route Numbering to the Standing Committee on Highways, Saturday, November 7, 1998
2. ^ U.S. Department of Transportation - Federal Highway Administration (2002-10-31). Route Log: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of October 31, 2002. Retrieved on 2006-08-28.
3. ^ http://www.centredaily.com/mld/centredaily/news/special_packages/i99/15635207.htm

• Pennsylvania Highways: Interstate 99

AASHTO, the American Association of State Highway and Transportation Officials, is a standards setting body which publishes specifications, test protocols and guidelines which are used in highway design and construction throughout the United States. ... November 7 is the 311th day of the year (312th in leap years) in the Gregorian Calendar, with 54 days remaining. ... 1998 (MCMXCVIII) was a common year starting on Thursday of the Gregorian calendar, and was designated the International Year of the Ocean [1]. // Coated in ice, power and telephone lines sag and often break, resulting in power outages. ... For the Manfred Mann album, see 2006 (album). ... August 28 is the 240th day of the year in the Gregorian Calendar (241st in leap years), with 125 days remaining. ...

External links

• News on the I-99 acid-rock cleanup from CentreDaily.com
• I-99 / S.R. 6220 Relocation Project (Bald Eagle to State College)
• Interstate 99 Exit Guide
• Future Interstate 99 - North of I-80

edit Main Interstate Highways (multiples of 5 in pink)
4	5	8	10	12	15	16	17	19	20	22	24	25	26	27	29	30
35	37	39	40	43	44	45	49	55	57	59	64	65	66	66 (W)		68
69	70	71	72	73	74	75	76 (W)		76 (E)		77	78	79	80	81	82
83	84 (W)		84 (E)		85	86 (W)		86 (E)		87	88 (W)		88 (E)		89	90
91	93	94	95	96	97	99	(238)		H-1		H-2		H-3
Unsigned			A-1		A-2		A-3		A-4		PRI-1		PRI-2		PRI-3
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