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Interstate 86 (I-86) is an
Interstate Highway The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. T ...
that extends for through northwestern
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
and the
Southern Tier The Southern Tier is a geographic subregion of the broader Upstate New York region of New York State, consisting of counties west of the Catskill Mountains in Delaware County and geographically situated along or very near the northern border ...
region of
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
, in the United States. The highway has two segments: the longer of the two begins at an interchange with
I-90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, an ...
east of
Erie, Pennsylvania Erie (; ) is a city on the south shore of Lake Erie and the county seat of Erie County, Pennsylvania, United States. Erie is the fifth largest city in Pennsylvania and the largest city in Northwestern Pennsylvania with a population of 94,831 ...
, and ends just beyond the Chemung- Tioga county line at the Pennsylvania border, while the second extends from I-81 east of
Binghamton Binghamton () is a City (New York), city in the United States, U.S. state of New York (state), New York, and serves as the county seat of Broome County, New York, Broome County. Surrounded by rolling hills, it lies in the state's Southern Tier reg ...
to New York State Route 79 (NY 79) in Windsor. When projects to upgrade the existing NY 17 to
Interstate Highway standards Standards for Interstate Highways in the United States are defined by the American Association of State Highway and Transportation Officials (AASHTO) in the publication ''A Policy on Design Standards: Interstate System''. For a certain highway to ...
are completed, I-86 will extend from I-90 near Erie to the
New York State Thruway , direction_a = South , terminus_a = {{Jct, state=NY, I, 95 at the The Bronx, Bronx–Yonkers, New York City line , junction = {{plainlist, * {{jct, state=NY, I, 287, Parkway, Saw Mill, NY, 119 in Elmsford, New York, Elmsford * {{jct, state=NY, ...
( I-87) in Woodbury. The portion in Erie County, Pennsylvania, is known as the Hopkins-Bowser Highway and is signed as such at each end. In New York, the current and future alignment of I-86 is known as the Southern Tier Expressway west of I-81 in Binghamton and the Quickway east of I-81. I-86 travels in Pennsylvania and in New York. Except for a section of about that dips into Pennsylvania at exit 60 near the New York village of Waverly and the Pennsylvania borough of South Waverly, the rest of I-86 will be in New York. The section of NY 17 through South Waverly is maintained by the
New York State Department of Transportation The New York State Department of Transportation (NYSDOT) is the department of the Government of New York (state), New York state government responsible for the development and operation of highways, Rail transport, railroads, mass transit systems ...
(NYSDOT), however. The Southern Tier Expressway section of I-86 and NY 17 comprises Corridor T of the
Appalachian Development Highway System The Appalachian Development Highway System (ADHS) is a series of highway corridors in the Appalachia region of the eastern United States. The routes are designed as local and regional routes for improving economic development in the historical ...
. I-86 connects to US Route 219 (US 219) in Salamanca, Seneca Nation; I-390 near Avoca and I-99/ US 15 just west of Corning. Most of the Quickway and the Southern Tier Expressway was built in stages from the 1950s to the 1980s. The I-86 designation was assigned on December 3, 1999, to the entirety of since-decommissioned Pennsylvania Route 17 (PA 17) and to the westernmost of NY 17. It has been extended eastward as more sections of the existing NY 17 freeway have been upgraded to Interstate Highway standards, first to NY 14 in
Horseheads Horseheads is a Administrative divisions of New York#Town, town in Chemung County, New York, Chemung County, New York (state), New York, United States. The population was 19,412 at the 2020 census. The name of the town is derived from the number o ...
in 2004, to NY 352 in Elmira in 2008, and its current terminus at the Chemung–Tioga county line in 2013. The segment of NY 17 between I-81 and NY 79 was designated as part of I-86 in 2006, but this segment currently remains discontinuous with the rest of I-86 while work is being done in the Binghamton area to bring NY 17 up to Interstate standards.


Route description

, - , PA , , - , NY , , - , Total ,


Pennsylvania to Olean

I-86 begins at an interchange with
I-90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, an ...
in a relatively flat area of northwestern
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
. It heads to the southeast, meeting PA 89 at exit 3 before curving to the east and crossing into
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
, where it becomes concurrent with NY 17. The freeway heads generally east–west across southwest Chautauqua County, serving the
hamlet ''The Tragedy of Hamlet, Prince of Denmark'', often shortened to ''Hamlet'' (), is a tragedy written by William Shakespeare sometime between 1599 and 1601. It is Shakespeare's longest play, with 29,551 words. Set in Denmark, the play depicts ...
of Findley Lake and the village of Sherman via NY 426 and NY 76, respectively, as it proceeds toward Chautauqua Lake. After crossing Chautauqua Lake, I-86 merges into an older section of freeway at exit 10 near Bemus Point; this freeway is now NY 954J northwest of the newer extension. NY 954J runs into NY 430, which (along with NY 394) carried NY 17 to Westfield before the 1980s extension. From Bemus Point to Jamestown (exit 12), I-86 parallels the old NY 17 (now NY 430) along the northeast shore of Chautauqua Lake. The
Erie Railroad The Erie Railroad was a railroad that operated in the northeastern United States, originally connecting New York City — more specifically Jersey City, New Jersey, where Erie's Pavonia Terminal, long demolished, used to stand — with Lake ...
extension to
Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = List of sovereign states, Count ...
(built as the Atlantic and Great Western Railroad) comes into Jamestown from the southwest and parallels I-86 to its junction with the Erie's original main line to
Dunkirk Dunkirk (french: Dunkerque ; vls, label=French Flemish, Duunkerke; nl, Duinkerke(n) ; , ;) is a commune in the department of Nord in northern France.
at Salamanca. From Jamestown to Salamanca, the old NY 17 (now mostly NY 394), the new I-86 and the railroad run generally parallel through river valleys. The transportation routes run along the Chadakoin River,
Conewango Creek Conewango Creek is a tributary of the Allegheny River in Pennsylvania and western New York in the United States. The creek's drainage covers much of southeastern Chautauqua County, New York, and western Cattaraugus County, New York. The creek's ...
and Little Conewango Creek to Steamburg (exit 17), cutting east to the
Allegheny River The Allegheny River ( ) is a long headwater stream of the Ohio River in western Pennsylvania and New York. The Allegheny River runs from its headwaters just below the middle of Pennsylvania's northern border northwesterly into New York then i ...
at Coldspring there. The valley of the Allegheny takes the routes to Salamanca (exit 20), where the railroads merged, and beyond to Olean (exits 25 and 26). From Salamanca to Olean, the old NY 17 is now NY 417. At Olean, the Allegheny River and NY 417 (old NY 17) continue southeast, while I-86 and the Erie Railroad head northeast. NY 417 does not return to I-86 until exit 44 near Painted Post, and the Erie switches between the two alignments several times.


Olean to Elmira

I-86 and the old Erie line (now part of the Western New York and Pennsylvania Railroad) run northeast along the valleys of
Olean Creek Olean can refer to: * Olean, Indiana * Olean, Missouri * Olean, New York, the largest city named Olean **Olean (town), New York, a surrounding municipality * Olestra, an artificial fat substitute * Oleane Oleane was one of the first ISPs in Fr ...
and Oil Creek to
Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribb ...
(exit 28). From Cuba to
Friendship Friendship is a relationship of mutual affection between people. It is a stronger form of interpersonal bond than an "acquaintance" or an "association", such as a classmate, neighbor, coworker, or colleague. In some cultures, the concept of ...
(exit 29), they run through a valley and over a summit, then following Van Campen Creek northeast to Belvidere (exit 30). At Belvidere, the Erie turns southeast to meet NY 417 at Wellsville, but I-86 continues northeast through the valleys of the
Genesee River The Genesee River is a tributary of Lake Ontario flowing northward through the Twin Tiers of Pennsylvania and New York in the United States. The river provided the original power for the Rochester area's 19th century mills and still provides h ...
and Angelica Creek to Angelica (exit 31), and then east along Angelica Creek, over a summit that is the highest point on the Interstate, and along Karr Valley Creek to
Almond The almond (''Prunus amygdalus'', syn. ''Prunus dulcis'') is a species of tree native to Iran and surrounding countries, including the Levant. The almond is also the name of the edible and widely cultivated seed of this tree. Within the genu ...
(exit 33). This summit, at above
sea level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardis ...
, is the highest point along I-86, located between exits 32 ( West Almond) and 33 and marked with a sign. At Almond, I-86 rejoins the
Erie Railroad The Erie Railroad was a railroad that operated in the northeastern United States, originally connecting New York City — more specifically Jersey City, New Jersey, where Erie's Pavonia Terminal, long demolished, used to stand — with Lake ...
, passing through Canacadea Creek valley about halfway to Hornellsville. However, where the railroad turns southeast to Hornellsville, I-86 continues northeast across a summit and into the wide Canisteo River valley (exit 34). It leaves the valley along Carrington Creek but quickly turns east across a summit to follow Big Creek and cross another summit to
Howard Howard is an English-language given name originating from Old French Huard (or Houard) from a Germanic source similar to Old High German ''*Hugihard'' "heart-brave", or ''*Hoh-ward'', literally "high defender; chief guardian". It is also probabl ...
(exit 35). I-86 runs alongside Goff Creek from Howard to the wide Cohocton River valley, where it meets the south end of I-390 (exit 36) near Avoca and turns southeast through that valley, parallel to the Erie's RochesterPainted Post line (
Buffalo, New York Buffalo is the second-largest city in the U.S. state of New York (behind only New York City) and the seat of Erie County. It is at the eastern end of Lake Erie, at the head of the Niagara River, and is across the Canadian border from Sou ...
, and
Erie Railroad The Erie Railroad was a railroad that operated in the northeastern United States, originally connecting New York City — more specifically Jersey City, New Jersey, where Erie's Pavonia Terminal, long demolished, used to stand — with Lake ...
). I-86, NY 415 (old US 15) and the Erie branch all run southeast along the Cohocton River past
Bath Bath may refer to: * Bathing, immersion in a fluid ** Bathtub, a large open container for water, in which a person may wash their body ** Public bathing, a public place where people bathe * Thermae, ancient Roman public bathing facilities Plac ...
(exit 38) to Painted Post (exit 44), now the north end of I-99 and US 15. NY 417 (old NY 17) also ends at exit 44, while NY 415 continues east into Corning (exits 45–46). From Painted Post through Corning to Big Flats (exit 49), I-86, NY 352 (old NY 17) and the Erie Railroad run through the Chemung River valley. NY 352 begins at exit 45, west of downtown Corning, and is a recently bypassed four-lane road through Corning. East of East Corning (exit 48), the freeway was built as an on-the-spot upgrade of the old NY 17. At Big Flats, the Chemung River (and NY 352) turns southeast to downtown Elmira, while I-86 and the Erie continue east-northeast alongside Singsing Creek to the vicinity of
Elmira Corning Regional Airport Elmira Corning Regional Airport is in Chemung County, New York, seven miles northwest of Elmira and eight miles east of Corning. It is in the town of Big Flats but its mailing address is Horseheads, New York. The airport was formerly Elmira ...
. The highway continues into
Horseheads Horseheads is a Administrative divisions of New York#Town, town in Chemung County, New York, Chemung County, New York (state), New York, United States. The population was 19,412 at the 2020 census. The name of the town is derived from the number o ...
, where it becomes an elevated highway through the use of a large arrangement of embankments and bridges. It connects to NY 14 and NY 13 via exits 52 and 54, respectively, before turning south to follow Newtown Creek into Elmira. Just east of the city's downtown district, I-86 meets NY 352 (exit 56), then continues to the Chemung–Tioga county line. The I-86 designation ends here; however, a section of NY 17 just east of
Binghamton Binghamton () is a City (New York), city in the United States, U.S. state of New York (state), New York, and serves as the county seat of Broome County, New York, Broome County. Surrounded by rolling hills, it lies in the state's Southern Tier reg ...
is also designated as I-86, creating a temporary gap in the designation. The
Broome County Broome County is a county in the U.S. state of New York. As of the 2020 United States census, the county had a population of 198,683. Its county seat is Binghamton. The county was named for John Broome, the state's lieutenant governor when B ...
segment runs from I-81 at exit 75 in Kirkwood to
NY 79 New York State Route 79 (NY 79) is a east–west state highway in the Southern Tier of New York, in the United States. The western terminus of the route is at the intersection with NY 414 near the southern end of Seneca Lake jus ...
at exit 79 in Windsor.


History


Origins and the Quickway

The first long-distance route through the modern I-86 corridor was NY 17, which extended from Westfield to
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
via Harriman when it was assigned in 1924. Much of NY 17 followed a routing parallel or identical to that of the modern Southern Tier Expressway and Quickway; however, it followed a more northerly routing between Westfield and Bemus Point (via modern NY 394 and NY 430) and a more southerly track from Belvidere to Corning (via what is now NY 19 and NY 417). NY 17 was realigned as part of the 1930 state highway renumbering to travel directly from Olean to Wellsville on modern NY 417, located well to the south of today's Southern Tier Expressway. By the late 1940s, the portion of NY 17 through the
Catskill Mountains The Catskill Mountains, also known as the Catskills, are a physiographic province of the larger Appalachian Mountains, located in southeastern New York. As a cultural and geographic region, the Catskills are generally defined as those areas cl ...
and Orange and Rockland counties had become prone to massive traffic jams due to both its winding and narrow composition and congestion in the villages and
hamlet ''The Tragedy of Hamlet, Prince of Denmark'', often shortened to ''Hamlet'' (), is a tragedy written by William Shakespeare sometime between 1599 and 1601. It is Shakespeare's longest play, with 29,551 words. Set in Denmark, the play depicts ...
s along the highway. As a result, the state of
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
began making plans to construct an expressway leading from the
New York State Thruway , direction_a = South , terminus_a = {{Jct, state=NY, I, 95 at the The Bronx, Bronx–Yonkers, New York City line , junction = {{plainlist, * {{jct, state=NY, I, 287, Parkway, Saw Mill, NY, 119 in Elmsford, New York, Elmsford * {{jct, state=NY, ...
at Harriman to the Catskills. Construction of the NY 17 freeway began in 1947 in the Hudson Valley town of Wallkill. National Bridge Inventory, a database compiled by the
United States Department of Transportation The United States Department of Transportation (USDOT or DOT) is one of the executive departments of the U.S. federal government. It is headed by the secretary of transportation, who reports directly to the President of the United States and ...
Federal Highway Administration The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program ...
, available at www.nationalbridges.com. Accessed December 18, 2007.
The first section of the new freeway, a bypass of Middletown between Fair Oaks (exit 118A, since removed) and Goshen (exit 123), opened to traffic in July 1951 as a realignment of NY 17. In 1954, several severe accidents occurred along parts of the surface NY 17, compelling the state to make constructing the freeway, dubbed the "Quickway", a higher priority. The road was extended east first, reaching
Chester Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Loca ...
(exit 127) in October 1954 and the Thruway near Harriman in August 1955. To the west, a section of the highway through Sullivan and
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
counties was built over the Right-of-way (transportation), right-of-way of the defunct New York, Ontario and Western Railway. Most of the Sullivan County section of the Quickway was completed during the 1950s, with the first section within the county—between Rock Hill (exit 108) and Wurtsboro, New York, Wurtsboro (exit 114)—opening in December 1956. A second section, from Ferndale (exit 101) to north of Liberty (village), New York, Liberty (exit 98), was completed in July 1958. The gap between Wurtsboro and Fair Oaks in Orange County, New York, Orange County was filled on October 23, 1958, while the section between Ferndale and Rock Hill was completed in two stages. The section east of modern exit 104 in Monticello, New York, Monticello was opened in July 1959; the part north of that point opened in December 1960. By 1969, with the assistance of federal funding from the Appalachian Regional Commission procured by New York's US Senator Robert F. Kennedy, the route provided nonstop access between Harriman and
Binghamton Binghamton () is a City (New York), city in the United States, U.S. state of New York (state), New York, and serves as the county seat of Broome County, New York, Broome County. Surrounded by rolling hills, it lies in the state's Southern Tier reg ...
, and by extension New York City to Binghamton. It connected the New York State Thruway ( I-87) to I-81. Despite flaws in the highway's design—it included a grade-level railroad crossing near Wallkill, Orange County, New York, Fair Oaks (since removed) and two stretches with intersections and driveway access—the Quickway succeeded in easing travel through southern New York, cutting the driving time in half and the accident rate by 70 percent.


Southern Tier Expressway

In February 1953, New York Governor Thomas E. Dewey proposed constructing four superhighways across the state to supplement the New York State Thruway. One of the four proposed limited-access highways would cut across the
Southern Tier The Southern Tier is a geographic subregion of the broader Upstate New York region of New York State, consisting of counties west of the Catskill Mountains in Delaware County and geographically situated along or very near the northern border ...
, linking
I-90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, an ...
in the west to Binghamton in the east. The first segments of what became known as the Southern Tier Expressway, a westward continuation of the Quickway, were completed in the mid-1960s. Four sections were opened to traffic at this time: Kennedy, New York, Kennedy (exit 14) to Randolph (CDP), New York, Randolph (exit 16), Coldspring (exit 17) to western Salamanca (exit 20), Campbell, New York, Campbell (exit 41) to Corning (exit 45), and East Corning (exit 48) to Lowman, New York, Lowman (exit 57), parts of which were built as a surface highway. The Coldspring to Salamanca section was built out of necessity: in 1967, the first stress testing, stress test of the Kinzua Dam had submerged part of the original NY 17 into the Allegheny Reservoir and made it impassable. Construction of the new highway destroyed most of the town of Red House, New York, Red House.Chu, Jennifer (February 6, 2004)
Portrait of a shrinking town
''Living on Earth''. Retrieved January 4, 2015.
A fifth section, from Owego (village), New York, Owego (exit 65) to Johnson City, New York, Johnson City (exit 69), opened in early 1969. The portion of the expressway between Nichols (village), New York, Nichols (exit 62) and Owego was opened to traffic on October 3, 1969. Four more segments of the Southern Tier Expressway were completed over the course of the next three years. By 1972, the gaps between Randolph and Coldspring and from Johnson City to I-81 in Binghamton were filled while the expressway was extended west from Kennedy to Falconer, New York, Falconer (exit 13) and east from Lowman to Waverly (exit 60). The missing link between Waverly and Nichols was completed by 1974. The portion of the freeway in and around Waverly was originally planned to be built on the right-of-way of the Delaware, Lackawanna and Western Railroad through southern Waverly; however, the plan was scrapped in favor of a more southerly alignment that passed through the borough of South Waverly, Pennsylvania. The realignment saved $2 million (equivalent to $ in ) in construction costs and spared a handful of industries in the highway's proposed path. Both state legislatures approved the realignment in 1966 after New York agreed to maintain the section of the freeway in Pennsylvania. As part of an agreement made between the two states, Pennsylvania acquired the necessary right-of-way and easements for the freeway at the expense of New York. Three other segments of the freeway were completed by 1974. Two of the three—from Jamestown (exit 11) and Falconer and between
Almond The almond (''Prunus amygdalus'', syn. ''Prunus dulcis'') is a species of tree native to Iran and surrounding countries, including the Levant. The almond is also the name of the edible and widely cultivated seed of this tree. Within the genu ...
(exit 33) and Campbell (CDP), New York, Campbell—were extensions of preexisting sections while the third, connecting Allegany (village), New York, Allegany (exit 24) to Hinsdale, New York, Hinsdale (exit 27), was isolated from the other portions of the highway. This was only temporary, however, as the freeway was completed between Hinsdale and Belvidere (exit 30) by January 1975 and opened to traffic from Belvidere to Almond on January 30, 1975. The Southern Tier Expressway was extended westward to Bemus Point by 1977, initially utilizing what is now NY 954J. In the early 1980s, work began on a westward extension to the vicinity of
Erie, Pennsylvania Erie (; ) is a city on the south shore of Lake Erie and the county seat of Erie County, Pennsylvania, United States. Erie is the fifth largest city in Pennsylvania and the largest city in Northwestern Pennsylvania with a population of 94,831 ...
. The Findley Lake–Bemus Point (exits 4–10) segment was completed by 1985 while the portion from I-90 east of Erie to Findley Lake was opened by 1989. From I-90 to exit 8, the freeway was initially built as a super two highway, with both directions utilizing what are now the eastbound lanes. The westbound lanes were built at a cost of $34 million (equivalent to $ in ) and opened to traffic on October 2, 1997.


Salamanca and Corning

Construction of the freeway between exits 20 and 24 was delayed for several years by members of the Seneca people, who objected to the freeway's proposed routing through the Allegany Indian Reservation. On June 29, 1976, the state of New York made an agreement with the Seneca nation that paid approximately $1.8 million (equivalent to $ in ) to the Seneca people and property owners for the of land comprising the highway's proposed routing. In addition, the state ceded of land to the Seneca people— of which were taken from the adjacent Allegany State Park—and agreed to support several tax and regulatory exemptions for the Senecas. The transaction was completed in September 1981, and construction on the segment began in 1982. The portion of the expressway between exits 20 and 21 was completed by 1985. On July 21, 1985, construction was halted by protesting Senecas who did not accept the authority of the Seneca people. The protest was organized in part by two owners of property in the path of the highway and involved the construction of an encampment on the right-of-way of the Southern Tier Expressway. The state had conducted studies on realigning the highway to bypass the disputed section; however, the Indians vacated the encampment five days later. A temporary injunction prohibiting further disruptions of the highway's construction was issued in early August, allowing work on the Salamanca–Seneca Junction (exit 23) section of the expressway to resume on August 13. This segment was completed by 1989 while the last section between Seneca Junction and Allegany was opened to traffic by 1995. Work on the Corning Bypass, a freeway around the northern and eastern fringes of the city of Corning, began in the mid-1980s. The first segment of the highway—between New York State Route 414, NY 414 (exit 46) and East Corning—was completed by 1989 while the rest opened in the mid-1990s. The completion of the Corning Bypass, the last substantial gap in the freeway, created a continuous, mostly limited-access highway between Erie, Pennsylvania, and Harriman, New York. The completed highway, designated as PA 17 and NY 17, served as a time-saving, toll-free alternate route to the Thruway for motorists going from the New York City area to Ohio and points west. In fact, the New York State Thruway Authority initially opposed the highway's construction, fearing the loss of toll revenue on its own route from motorists shunpiking via the new highway.


Designation and conversion

The portion of the two-state freeway from I-90 near Erie to I-81 in Binghamton is designated as Corridor T of the
Appalachian Development Highway System The Appalachian Development Highway System (ADHS) is a series of highway corridors in the Appalachia region of the eastern United States. The routes are designed as local and regional routes for improving economic development in the historical ...
. In 1998, all of PA 17 and the portion of NY 17 from the New York–Pennsylvania border, Pennsylvania state line to Harriman were designated "High Priority Corridor 36" in the Transportation Equity Act for the 21st Century (TEA-21). New York politicians, including Senator Daniel Patrick Moynihan, and businesspeople backed the move in the hope that an efficient, high-speed roadway would inspire companies to start or expand their businesses in the state's southern counties. Shortly after the passage of TEA-21, Corridor 36 was legislatively designated as I-86 in an amendment to the bill. The American Association of State Highway and Transportation Officials (AASHTO) formally approved the designation on November 6, 1998, as "Future I-86". On December 3, 1999, all of PA 17 and the westernmost of NY 17 were officially designated as I-86 by the
Federal Highway Administration The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program ...
(FHWA) following improvements to bring the roadway up to
Interstate Highway standards Standards for Interstate Highways in the United States are defined by the American Association of State Highway and Transportation Officials (AASHTO) in the publication ''A Policy on Design Standards: Interstate System''. For a certain highway to ...
. The designation was extended eastward to NY 14 in
Horseheads Horseheads is a Administrative divisions of New York#Town, town in Chemung County, New York, Chemung County, New York (state), New York, United States. The population was 19,412 at the 2020 census. The name of the town is derived from the number o ...
on January 28, 2004, after that section had been upgraded. On May 1, 2006, the portion of NY 17 from I-81 in Binghamton east to
NY 79 New York State Route 79 (NY 79) is a east–west state highway in the Southern Tier of New York, in the United States. The western terminus of the route is at the intersection with NY 414 near the southern end of Seneca Lake jus ...
in Windsor was designated as part of I-86 following the elimination of at-grade intersections and the reconstruction of exit ramps along the stretch. The completion of the $30-million (equivalent to $ in ) project increased the total mileage of I-86 to and created a temporary gap in the designation. In Horseheads, a $60-million (equivalent to $ in ) project to elevate the highway and remove at-grade intersections in the village between NY 14 (exit 52) and NY 13 (exit 54) began in April 2004 and was completed on August 20, 2007. New York State Department of Transportation, NYSDOT subsequently sought permission from the FHWA to extend I-86 over the new bypass and the existing NY 17 freeway to NY 352 in Elmira; it was granted on March 28, 2008, adding another to the route. A portion of NY 17 between exits 56 and 59 originally had several at-grade intersections. Work on a project to eliminate the junctions began in January 2010. Three discontinuous sections of County Route 60 (Chemung County, New York), County Route 60 (CR 60, named Brant Road, Oneida Road, and Old NY 17), a parallel surface road, were linked together as part of the project. Two of the three at-grade junctions with CR 60—the east junction with Brant Road and the west junction with Oneida Road—were permanently closed on March 24, 2010, to allow construction to begin on the new alignment of the county route between the two locations. The $65-million (equivalent to $ in ) project was completed on November 1, 2012.


Future

In 1998, then-Governor George Pataki signed legislation to convert the entirety of NY 17 to an Interstate and stated that the conversion would be fully completed by 2009. However, a severe lack of funding has pushed the completion date back. , the only portion west of Binghamton not officially designated as I-86 is between the ChemungTioga county line and the junction with I-81. The designation on this segment cannot be applied before NYSDOT completes the Prospect Mountain construction project at the junction of I-81, U.S. Route 11, US 11, NY 17, and New York State Route 7, NY 7 in Binghamton, which when complete will bring the roadway up to
Interstate Highway standards Standards for Interstate Highways in the United States are defined by the American Association of State Highway and Transportation Officials (AASHTO) in the publication ''A Policy on Design Standards: Interstate System''. For a certain highway to ...
. The official completion of the project was set for December 2020. Work on converting the portion of the highway east of Windsor is expected to be far more substantial than the work west of Binghamton. Currently, the only portions up to Interstate standards east of Windsor are between exit 94 (Roscoe, New York, Roscoe) and exit 100 (New York State Route 52, NY 52), between exits 104 and 106 in Monticello, New York, Monticello, and between exit 116 (New York State Route 17K, NY 17K) and exits 121–122 (Interstate 84 (Pennsylvania–Massachusetts), I-84/Crystal Run Road). Aside from numerous minor interchange improvements, major work includes constructing two new interchanges in the mountainous Hale Eddy, New York, Hale Eddy area, exits 85 and 86, to replace two at-grade intersections, as well as the relocation of driveways in that area, improving curve radiuses throughout the route, and widening the shoulders on narrow parts of the highway. Work was completed in November 2019 on a redesigned interchange at exit 131, where NY 17 meets I-87 and New York State Route 32, NY 32. Work is also underway to bring exits 124 and 125 in Goshen, New York, Goshen up to Interstate standards, which is expected to be completed in early 2020. There is no timetable for the full completion of the I-86 conversion between NY 79 in Windsor and the thruway (I-87) in Harriman. Nevertheless, segment between Bloomingburg, New York, Bloomingburg and Goshen is signed as I-86 and NY 17.


Exit list

Pennsylvania uses Milepost-based exit numbering, milepost-based exit numbers on its Interstate Highways; other I-86 exits are Sequential exit numbering, numbered sequentially.


See also

* * *


References


External links


Interstate Guide - I-86 (Eastern)

I-86 in New York at AARoads.com



Pennsylvania Roads - I-86

New York Roads - I-86
*
Named for former New York Senator Daniel Patrick Moynihan
{{DEFAULTSORT:Interstate 086 (East) Interstate 86 (Pennsylvania–New York), Interstate Highways in New York (state), 86 Interstate Highways in Pennsylvania, 86 Interstate Highway System, 86 east Transportation in Erie County, Pennsylvania Transportation in Chautauqua County, New York Transportation in Cattaraugus County, New York Transportation in Allegany County, New York Transportation in Steuben County, New York Transportation in Chemung County, New York Transportation in Bradford County, Pennsylvania Transportation in Broome County, New York