Interstate 86 (east): Wikis


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Interstate 86 was once assigned to what is now Interstate 84 east of East Hartford, Connecticut.
Interstate 86 shield
Interstate 86
Main route of the Interstate Highway System

Map of Pennsylvania and New York with I-86 highlighted in red. Its future routing is marked with a dashed red line.
Length: 191.6 mi[1] (308.4 km)
West end: I-90 in Erie, PA
US 219 near Salamanca, NY
I-390 near Avoca, NY
Future plate blue.svg
I-99.svg US 15.svg Future I-99/US 15 near Corning, NY
East end: Temporary: NY 352 in Elmira, NY
Future: I-87.svg NYS Thruway Sign.png I-87/NY Thruway in Harriman, NY
< Corridor S T Corridor U >

Interstate 86 (I-86) is an Interstate Highway in the U.S. states of New York and Pennsylvania. It is an upgrade of the existing New York State Route 17. Known as the Southern Tier Expressway and Quickway (split by Interstate 81 at Binghamton, New York), the route will connect Interstate 90 near Erie, Pennsylvania, with Interstate 87 (New York State Thruway) near Harriman, New York. As of August 2008, it runs east from I-90 to New York State Route 352 in Elmira, bringing the total length of highway designated as I-86 to 200 miles (and 181 miles (291 km) remaining to be designated).[2] Once completed, I-86 will stretch 388 miles (624 km) across the Southern Tier of New York from I-90 to I-87,[1] shorter than the 460 miles (740 km) along the flatter New York State Thruway to the north. The remaining segment of NY-17 will then be essentially a north–south extension of a New Jersey route with the same number, terminating in the New York City suburbs.

Several sections of NY 17 are not up to freeway or Interstate standards, and need to be upgraded before I-86 can be designated along its full length. These substandard sections are located near Elmira, Binghamton, and the Catskill Mountains.

I-86 currently travels 6.99 miles[3] (11.25 km) in Pennsylvania and 190 miles (305.8 km) in New York.[1] Except for a section of about 1.5 miles (2.5 km) that dips into Pennsylvania near Waverly, New York but is maintained by the New York State Department of Transportation, the rest of I-86 will be in New York.

The Southern Tier Expressway section west of Binghamton is also Corridor T of the Appalachian Development Highway System. An extension of the U.S. 219 Southern Expressway will also join I-86.


Route description


Pennsylvania to Olean

I-86 begins at Interstate 90 in a relatively flat area of northwestern Pennsylvania, and crosses into New York, heading towards Chautauqua Lake. This piece was built along a new alignment in the 1980s as a two-lane freeway and widened to four lanes in 1996.[4] The New York section of I-86, including the planned extensions, is defined as Interstate Route 507 in New York Highway Law § 340-a.[5]

After crossing Chautauqua Lake, I-86 merges into an older section of freeway at exit 10 near Bemus Point; this freeway is now NY Route 954J northwest of the newer extension. NY 954J runs into NY Route 430, which (along with NY Route 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 Route 430 - along the northeast shore of Chautauqua Lake. The Erie Railroad extension to Chicago (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 at Salamanca.

From Jamestown to Salamanca, the old NY 17 (now mostly NY Route 394), the new I-86 and the railroad run generally parallel through river valleys. The transportation routes run along the Chadakoin River, Conewango Creek and Little Conewango Creek to Steamburg (exit 17), cutting east to the Allegheny River at Coldspring there. The valley of the Allegheny takes the routes to Salamanca (exit 20), where the railroads merged, and beyond to Olean (25). From Salamanca to Olean, the old NY 17 is now NY Route 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 the Olean Creek and Oil Creek to Cuba (exit 28). From Cuba to Friendship (exit 29), they run through a valley and over a summit, then following the 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 and Angelica Creek to Angelica (exit 31), and then east along the Angelica Creek, over a summit which is the highest point on the Interstate, and along the Karr Valley Creek to Almond (exit 33). This summit, at 2,110 feet (634 m) above sea level, is the highest point along I-86, located between exits 32 (West Almond) and 33 and marked with a sign.[6]

At Almond, I-86 rejoins the Erie Railroad, passing through the 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 the Carrington Creek, but quickly turns east across a summit to follow the Big Creek and cross another summit to Howard (exit 35). I-86 runs alongside Goff Creek from Howard to the wide Cohocton River valley, where it meets the south end of Interstate 390 (exit 36) near Avoca and turns southeast through that valley, parallel to the Erie's Rochester-Painted Post line (Buffalo, New York and Erie Railroad).

I-86, NY Route 415 (old U.S. 15) and the Erie branch all run southeast along the Cohocton River past Bath (exit 38) to Painted Post (exit 44), now the north end of U.S. 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 Route 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 and across a low summit before turning south at Horseheads along Newtown Creek to Elmira.

The surface road in Horseheads crossed several major arterial roads in a fully developed area, which has made this one of the most expensive sections to upgrade. Construction, however, has now been completed to upgrade it to a freeway, by building a large arrangement of embankments and bridges. As of August 2008, the present end of I-86 is at NY Route 352 (exit 56) in Elmira, after official completion of the US-15/I-86 interchange in Painted Post, New York.[7] Another non-freeway section is present just east of the Elmira area, in a less developed area.

I-86 signage along the 10 miles of interstate opened just east of the NY 17/I-81 interchange.

East of Binghamton

In September 2006, a 9.9-mile (15.9 km) section of New York State Route 17 just east of Binghamton (between Exits 75 and 79) was designated as I-86, bringing the total length of highway designated as I-86 to 195 miles (with only 186 miles (299 km) remaining to be designated).[2] The near 10-mile (16 km) segment runs in Broome County from Kirkwood to Windsor ending just before NY 17 intersects and merges briefly with Interstate 81. To the east of this segment, NY 17 features several future I-86 signs along the highway. As of July 2009, a section of NY-17 undergoing reconstruction was signed as I-86 between I-84 and NY-302 near Middletown.


  • Elimination of at-grade intersections between exits 56 and 59 near Chemung.
  • Improvements to the interchange with Interstate 81 in Binghamton near the stretch named "Kamikaze Curve" [1].
  • Elimination of at-grade intersections between exits 84 and 87 and between exits 97 and 99 in the Catskills
  • Other interchange improvements in the Catskills

Connecticut — I-84 relation

The section of I-84 between East Hartford, Connecticut (at the present-day junction with Interstate 384) and Sturbridge, Massachusetts (Interstate 90) was for a time signed as Interstate 86 (unrelated to present-day Interstate 86 in New York and Pennsylvania). Signs stating "I-84 Ends, I-86 to Boston" (eastbound) and "I-86 Ends, I-84 to Hartford" (westbound) were posted where the change took place. Exit numbering on I-86 was that of the road's predecessor, Route 15, in a sequence beginning on New York's Hutchinson River Parkway. Exits were renumbered to correspond with the rest of I-84 in Connecticut when the road was redesignated in 1984. The present I-384 as well as the present US 6 bypass near Willimantic, both of which were a part of what was then I-84's planned easternly continuation, were also numbered I-84 prior to 1984 even though they lacked any direct connection to the rest of I-84 at that time. (One had to use Silver Lane in East Hartford to travel between the two stretches of the highway.) These two sections were re-numbered I-384 and Rte 6 when what was then I-86 was re-numbered I-84.

Exit list

Exits are numbered from west to east, in accordance with MUTCD guidelines. Pennsylvania uses milepost exit numbers on its Interstates; other I-86 exits are numbered sequentially.

County Location Mile # Destinations Opened[8] Notes
Erie Greenfield Township 1 I-90  – Erie, Buffalo Westbound exit and eastbound entrance; signed as exits 1A (west) and 1B (east)
3 PA 89Wattsburg, North East Former exit 2
Pennsylvania – New York state line
Chautauqua Mina
1.03 4 NY 426Findley Lake ca. 1973
Sherman 9.17 6 NY 76Sherman ca. 1973
North Harmony 15.34 7 Panama, Chautauqua Institution ca. 1982
18.86 8 NY 394Mayville, Lakewood ca. 1982
Ellery 20.22 9 NY 430 east – Bemus Point ca. 1982 Eastbound exit and westbound entrance
20.29 10 To NY 430Bemus Point ca. 1982
Ellicott 26.23 11 Strunk Road (NY 953B) ca. 1973
28.00 12 NY 60Jamestown ca. 1973
30.69 13 NY 394Falconer ca. 1971
Poland 36.04 14 US 62Kennedy, Warren ca. 1968
Cattaraugus Randolph 39.33 15 School House Road (NY 953A) ca. 1968
Randolph 41.38 16 West Main Street (NY 952M) - Randolph, Gowanda ca. 1968
Coldspring 47.88 17 NY 394Steamburg, Onoville ca. 1967 opened ca. 1971 between exits 16 and 17
50.61 18 NY 280 - Allegany State Park Quaker Run Area ca. 1967
Red House 54.43 19 Allegany State Park Red House Area ca. 1970
Salamanca 58.14 20 NY 417 to NY 353Salamanca ca. 1980
Salamanca 60.45 21 US 219 north (Parkway Drive) – Salamanca ca. 1980 West end of US 219 overlap
Carrollton 67.52 23 US 219Limestone, Bradford ca. 1987 East end of US 219 overlap
Allegany 74.07 24 NY 417Allegany, St. Bonaventure University ca. 1973
Olean 77.27 25 Buffalo Street (NY 954E) - Olean ca. 1973
78.77 26 NY 16Olean ca. 1972
Hinsdale 84.69 27 NY 16 / NY 446Hinsdale ca. 1972
Allegany Cuba 91.35 28 NY 305Cuba ca. 1972
Friendship 98.72 29 NY 275Friendship, Bolivar ca. 1973
Amity 104.45 30 NY 19Belmont, Wellsville ca. 1973
Angelica 108.55 31 Angelica ca. 1973
West Almond 115.78 32 West Almond ca. 1973
Almond 123.61 33 NY 21Almond, Andover ca. 1973
Steuben Hornellsville 128.30 34 NY 36Hornell, Arkport ca. 1970 Signed as exits 34S (south) and 34N (north)
Howard 137.98 35 Howard (NY 962B) ca. 1970
Avoca 145.17 36 I-390 north – Rochester, Buffalo ca. 1973
Bath 146.30 37 NY 53Kanona, Prattsburg ca. 1973
Bath 149.50 38 NY 54Bath, Hammondsport ca. 1971
Bath 152.61 39 NY 415Bath ca. 1969
156.40 40 NY 226Savona ca. 1969
Campbell 161.20 41 CR 333Campbell ca. 1967
165.24 42 Coopers Plains (NY 960M) ca. 1967
Erwin 167.51 43 NY 415Painted Post ca. 1959
Painted Post 168.64 44A US 15 south / Robert Dann Drive - Williamsport ca. 1951
rebuilt ca. 1989
168.64 44B NY 417Gang Mills, Painted Post
Riverside 169.02 45 NY 352 - Riverside; Downtown Corning ca. 1995 Eastbound exit and westbound entrance
45 NY 415 - Riverside ca. 1995 Westbound exit and eastbound entrance
Corning 171.49 46 NY 414Watkins Glen, Corning Museum of Glass ca. 1985
174.20 47 NY 352 – Gibson, East Corning, Downtown Corning ca. 1985
176.57 48 NY 352 – East Corning ca. 1985
Chemung Big Flats 178.85 49 Big Flats ca. 1985
50 CR 63 (Kahler Road) – Elmira/Corning Regional Airport ca. 2003
182.30 51A Chambers Road — Shopping Malls, Elmira/Corning Regional Airport ca. 1969
51B Colonial Drive — Shopping Mall Westbound exit only
Horseheads 52A Commerce Center Road (NY 962E) ca. 1970 No westbound exit
184.35 52B NY 14Watkins Glen, Elmira Heights ca. 1970 Signed as exits 52B (south) and 52N (north) westbound
53 Horseheads 2007
185.72 54 NY 13Ithaca, Horseheads ca. 1996
Elmira 189.90 56 NY 352Elmira, Jerusalem Hill ca. 2002 (rebuilt)
Temporary gap in I-86 designation; see NY 17 for exits 57 through 74
Broome Kirkwood 249.62 75 I-81 south / US 11  – Scranton, Pennsylvania, Industrial Park (NY 990G) ca. 1963 I-81 joins westbound and leaves eastbound; exit number signed westbound only
251.31 76 Haskins Road / Foley Road ca. 2000
Windsor town 77 West Windsor ca. 2000
256.25 78 Dunbar Road – Occanum ca. 1961
Windsor village 259.64 79 NY 79  – Windsor ca. 1960
Temporary east end of I-86; highway continues east as NY 17


External links

Main Interstate Highways (major interstates highlighted)
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 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
Lists  Primary  Main - Intrastate - Suffixed - Future - Gaps
Auxiliary  Main - Future - Unsigned
Other  Standards - Business - Bypassed
Browse numbered routes
< PA 85 PA PA 86 >
< NY 85A NY NY 86 >

Simple English

[[File:|80px|right]] Interstate 86 is an Interstate Highway in the United States. It goes from Erie, Pennsylvania east to Elmira, New York. The route is 191.6 miles (308.4 km) long.

Main Interstates (numbers that end in 0 or 5 are colored 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 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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