Interstate 79

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Interstate 79 marker

Interstate 79
Template:Maplink-road
I-79 highlighted in red
Route information
Maintained by WVDOH and PennDOT
Length: 343.46 mi[1] (552.75 km)
Existed: 1958 – present
Major junctions
South end: I‑77 near Charleston, WV
 
North end: PA 5 / PA 290 / Invalid type: road in Erie, PA
Location
States: West Virginia, Pennsylvania
Counties: WV: Kanawha, Roane, Clay, Braxton, Gilmer, Lewis, Harrison, Marion, Monongalia
PA: Greene, Washington, Allegheny, Butler, Lawrence, Mercer, Crawford, Erie
Highway system
x20px WV 78 WV WV 80
PA 78 PA PA 79
PA 178 PA PA 179

Interstate 79 (I-79) is an Interstate Highway in the Eastern United States, designated from I-77 in Charleston, West Virginia, north to Pennsylvania Route 5 (PA 5) and PA 290 in Erie, Pennsylvania. It is a primary thoroughfare through western Pennsylvania and West Virginia and makes up part of an important corridor to Buffalo, New York, and the Canadian border. Major metropolitan areas connected by I-79 include Charleston and Morgantown in West Virginia and Greater Pittsburgh and Erie in Pennsylvania.

In West Virginia, I-79 is known as the Jennings Randolph Expressway, named for the West Virginia representative and senator. In the three most northern counties, it is signed as part of the High Tech Corridor. For most of its Pennsylvania stretch, it is known as the Raymond P. Shafer Highway, named for the 39th Pennsylvania governor.

Route description

Lengths
  mi[1] km
WV 160.52 258.33
PA 182.94 294.41
Total 343.46 552.75

Except at its northern end, I-79 is located on the Allegheny Plateau. Despite the somewhat rugged terrain, the road is relatively flat. Most of the highway is at an elevation of about 1,000 to 1,200 feet (300 to 370 m) above sea level, with some lower areas near both ends and higher areas near Sutton, West Virginia. In the hillier areas, this flatness is achieved by curving around hills, along ridges, and in or partway up river valleys.[2] From Sutton north, I-79 generally parallels the path of U.S. Route 19 (US 19).

West Virginia

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File:Weston WV aerial 2021.jpg
Aerial view of I-79 and surrounding terrain as it approaches Weston, West Virginia, from the south

I-79 begins at a three-way directional Y interchange with I-77 along the northwest bank of the Elk River just northeast of Charleston. For its first 67 miles (108 km) to a point just south of Flatwoods, I-79 is located in the watershed of the Elk River, which drains into the Kanawha River. It crosses the Elk River at Frametown and again at Sutton and never strays more than about 15 to 20 miles (24 to 32 km) from it.[2][3]

Pennsylvania

Exit signs for US 20, PA 5, PA 290, and the terminus for I-79 in Erie, Pennsylvania
File:Ghost ramp I-79.jpg
Ghost ramps around milemarker 100 near Moraine State Park in Butler County, Pennsylvania

I-79 enters Pennsylvania from Morgantown, West Virginia. South of Washington, it traverses mostly rural Greene County.

Between milemarkers 34 and 38, I-79 overlaps I-70 in the Washington area before heading north toward Pittsburgh.

I-79 is carried over the Ohio River by the Neville Island Bridge, approximately eight miles (13 km) northwest of Pittsburgh.

The freeway into Pittsburgh requires drivers to use I-376 while I-79 completely bypasses the city. Beyond the Pittsburgh area, I-79 traverses more rural areas in Butler, Lawrence, Mercer, Crawford, and Erie counties before arriving at its termination point in Erie. In Erie, I-90 connects from I-79 to Buffalo, New York, and the Canadian border.

Around milemarker 100 on the northbound side are two ghost ramps that were specifically built for the Boy Scouts of America in order to have access to Moraine State Park without having to travel on US 422 for the 1973 and 1977 National Scout Jamborees, which were held at Moraine. The ramps were permanently closed after the 1977 event but remain visible under encroaching vegetation.[4][5]

I-79 was completely rebuilt in Greater Pittsburgh in the early 1990s.[6]

History

I-79 merging with I-70 in Washington, Pennsylvania

The Pennsylvania General Assembly authorized the Pennsylvania Turnpike Commission to build two extensions in the 1950s. The Northwestern Extension, authorized in 1953, was to stretch from the main Pennsylvania Turnpike north to Erie and would have included a lateral connection between Ohio and New York, what was later built as I-90.[7] The Southwestern Extension, authorized in 1955, was to run south from the main line near Pittsburgh to West Virginia, where it connects with an extension of the West Virginia Turnpike.[8] Except for the section between Washington and Greater Pittsburgh, which was included as part of I-70,[9] the first portion of I-79 to be added to the plans was north from Pittsburgh to Erie, along the US 19 corridor.

Interstate 179
Location: Erie
Existed: November 12, 1958–1968

Interstate 279
Location: Pittsburgh
Length: 13.5 mi (21.7 km)
Existed: September 16, 1989–present

In September 1955, two short urban portions were designated:[10][11]

  • I-179: A spur from I-90 north to Erie, currently absorbed into I-79.[12]
  • I-279: A western bypass of Pittsburgh, connecting I-70 with I-80S (now I-76); it and I-79 later swapped designations.

The number 79 was assigned in 1958,[13] and an extension south along I-70 to Washington and beyond to Charleston was approved on October 18, 1961.[14] This extension also paralleled US 19 to near Sutton, where it turned westerly to reach Charleston. (The part of US 19 from Sutton south to I-77 at Beckley, West Virginia, has since been four-laned as Corridor L of the Appalachian Development Highway System.)

On December 21, 1967, the first section of I-79 in West Virginia, between exits 125 (Saltwell Road) and 132 (South Fairmont), opened to traffic.[15] This five-mile (8.0 km) section bypassed part of West Virginia Route 73 (WV 73) between Bridgeport and Fairmont. Another five miles (8.0 km) opened in July 1968, extending the highway on a bypass of downtown Fairmont to exit 137 (East Park Avenue).[16] It was further extended 9.5 miles (15.3 km) toward Morgantown on October 15, 1970, bypassing more of WV 73 to exit 146 (Goshen Road) south of that city.[17][18][19]

On June 29, 1970, the swap of I-79 and I-279 was approved. At the same time, I-76 was extended west from Downtown Pittsburgh over former I-79 to the new location of I-79 west of Pittsburgh, so I-279 only ran north from Downtown Pittsburgh. On December 3, 1971, I-76 was rerouted to bypass Pittsburgh, and I-279 was extended to I-79 utilizing the former section of I-76.[20] The changes took effect on October 2, 1972.[21]

On June 29, 1973, I-79 was extended from West Virginia exit 146 to exit 148 (I-68), where, at one point, traffic was forced onto the newly opened west end of Corridor E (now I-68) to exit 1.[22] A further extension of six miles (9.7 km), including the Uffington Bridge over the Monongahela River southwest of Morgantown, was opened on August 30, 1973, leading north to exit 155 (Star City).[23][24] This completed I-79 from north of Bridgeport to north of Morgantown.

To the south of Bridgeport, the first two sections were both opened on December 22, 1971. One of these ran 10 miles (16 km) from exit 51 (Frametown) to exit 62 (Sutton), and the other from exit 105 (Jane Lew) to exit 115 (Nutter Fort).[25][26][27][28] On September 19, 1973, another 7.5-mile (12.1 km) stretch was opened, from exit 105 (Jane Lew) south to exit 99 (Weston).[29]

In 1973, significant portions of the Interstate were completed.[19] I-79 opened from exit 62 to exit 99. Another 23.9 miles (38.5 km), from exit 67 (Flatwoods) north to exit 91 (Roanoke), opened on November 28, 1973, along with the section from exit 115 north to exit 117 (Anmoore), completing the route between Frametown and Morgantown except in the Bridgeport area.[30][31]

A 5.5-mile (8.9 km) extension from exit 51 south to exit 46 (Servia) opened on February 1, 1974,[32] and County Route 11 to WV 4 near Duck was widened to handle the increased load.[33] On the same day, two lanes opened from exit 155 (Osage) north to the state line.[citation needed]

On October 16, 1974, two pieces of I-79 were opened: the other two lanes[citation needed] of the 6.6 miles (10.6 km) from exit 155 to the state line and 7.1 miles (11.4 km) between exits 117 (Anmoore) and 125 (north of Bridgeport). On the same day, the eastern end of Corridor D and the western end of Corridor E, both connecting to I-79 (at exits 119 and 148), were opened. This completed I-79 in West Virginia north of exit 46 (Servia);[34][35][36] it was extended south to exit 25 (Amma) in late November[37] and to US 119 north of Clendenin (exit 19) on November 13, 1975.[38] It was opened from exit 19 to exit 9 (Elkview) on November 18, 1977,[39] and finally completed to I-77 in 1979.[19]

On July 25, 1975, I-79 was opened between exits 1 and 14 in Pennsylvania.[40] The last piece of I-79 between West Virginia and Erie—the Neville Island Bridge over the Ohio River—opened on September 3, 1976.[41] In 1984, the route was extended about one mile (1.6 km) further to the north, with the opening of a new segment between US 20 and PA 5 in Erie.[42]

In late 2008, the missing ramps of the I-79/I-376 interchange (PA 60 was designated as the route for southbound traffic seeking to go to Pittsburgh International Airport and for airport traffic seeking to go northbound on I-79) were completed.[43]

In June 2009, I-376 was extended west and north of Downtown Pittsburgh, and I-279 was truncated back to the section only running from Downtown Pittsburgh north to I-79.

Exit list

State County Location mi[44] km Old exit
[45]
New exit
[45]
Destinations Notes
West Virginia Kanawha Charleston 0.000 0.000 I‑77 to I‑64 – Parkersburg, Charleston Southern terminus of I-79; I-77 exit 104
1.845 2.969 1 US 119 – Mink Shoals Access to Coonskin Park
5.047 8.122 5 US 119 (WV 114) – Big Chimney Northern terminus of WV 114
Pinch 9.469 15.239 9 CR 43 (Frame Road) – Elkview
Clendenin 19.091 30.724 19 US 119 (CR 53) – Clendenin
Roane Amma 25.281 40.686 25 CR 29 – Amma
33.741 54.301 34 WV 36 – Wallback, Clay
Clay 39.899 64.211 40 WV 16 – Big Otter
Braxton 46.099 74.189 46 CR 11 (Servia Road)
Frametown 51.569 82.992 51 WV 4 – Frametown
57.607 92.709 57 US 19 south – Beckley, Summersville Southern end of US 19 concurrency; access to New River Gorge
Sutton 61.465 98.918 62 WV 4 – Sutton, Gassaway
Flatwoods 66.965 107.770 67 US 19 north (WV 4) / WV 15 – Flatwoods Northern end of US 19 concurrency; WV 15 ends at WV 4 south of the interchange; access to Sutton Lake
Burnsville 78.909 126.992 79 WV 5 – Burnsville, Glenville Access to Glenville State College and Burnsville Dam
Gilmer
No major junctions
Lewis 90.988 146.431 91 US 19 – Stonewall Resort, Roanoke Access to Stonewall Jackson Lake State Park
Weston 95.928 154.381 96 CR 30 – South Weston Access to Stonewall Jackson Lake and Jackson's Mill
98.608 158.694 99 US 33 / US 48 / US 119 – Weston, Buckhannon Access to West Virginia Wesleyan College and Davis and Elkins College
Jane Lew 105.038 169.042 105 CR 7 – Jane Lew Access to Jackson's Mill
Harrison Lost Creek 109.688–
110.595
176.526–
177.985
110 WV 270 – Lost Creek Eastern terminus of WV 270
Stonewood 115.75 186.28 115 WV 20 – Stonewood, Nutter Fort Access to Alderson Broaddus University
Clarksburg 118.13 190.11 117 WV 58 – Anmoore
119.63 192.53 119 US 50 (Corridor D) – Clarksburg, Bridgeport Access to Salem International University
Bridgeport 121.7 195.9 121 CR 24 (Meadowbrook Road)
124.34 200.11 124 WV 279 to US 50 east Access to North Central West Virginia Airport, Tygart Lake State Park, and United Hospital Center
125.36 201.75 125 WV 131 (Saltwell Road) – Shinnston
Marion Whitehall 132.086 212.572 132 US 250 – Fairmont, Whitehall
Fairmont 133.356 214.616 133 CR 641 (Kingmont Road)
134.926 217.142 135 CR 64 (Pleasant Valley Road)
136.006 218.880 136 WV 273 – Downtown Fairmont Southern terminus of WV 273; exit fully opened on December 22, 2010.[46]
136.660 219.933 137 WV 310 (East Park Avenue) Access to Valley Falls State Park
138.79 223.36 139 CR 33 (Pricketts Creek Road) – East Fairmont Access to Prickett's Fort State Park
Monongalia 145.62 234.35 146 CR 77 (Goshen Road)
Morgantown 148.766 239.416 148 I‑68 east – Cumberland Western terminus of I-68; access to Mountaineer Field and Tygart Lake State Park
152.502 245.428 152 US 19 – Westover, Morgantown Access to Granville
153.4 246.9 153 CR 467 (University Town Centre Drive)
154.836 249.184 155 WV 7 – West Virginia University Access to Star City, Osage, and Mountaineer Field
Mason–Dixon Line 160.52
0.0
258.33
0.0
West Virginia–Pennsylvania state line
Pennsylvania Greene Perry Township 0.8 1.29 1 1 To US 19 – Mount Morris
Whiteley Township 6.8 10.9 2 7 Kirby, Garards Fort
Franklin Township 14.0 22.5 3 14 PA 21 – Masontown, Waynesburg Access to Waynesburg University
Washington Township 19.4 31.2 4 19 US 19 / PA 221 – Ruff Creek, Jefferson
Washington West Bethlehem Township 23.4 37.7 5 23 Marianna, Prosperity
Amwell Township 30.6 49.2 6 30 US 19 – Amity, Lone Pine
32.9 52.9 7 33 US 40 – Laboratory
South Strabane Township 34.4 55.4 34 I-70 east – New Stanton Southern end of I-70 concurrency; exit 18 eastbound
35.4 57.0 8 20 PA 136 (Beau Street) Access to Washington & Jefferson College
36.4 58.6 7 19 US 19 (Murtland Avenue) Diverging diamond interchange
37.9 61.0 38 I-70 west – Wheeling Northern end of I-70 concurrency; exit 21 westbound
40.3 64.9 8A 40 Meadow Lands
41.1 66.1 8 41 Race Track Road Access to Hollywood Casino at The Meadows
North Strabane Township 43.4 69.8 9 43 PA 519 – Eighty Four, Houston
45.5 73.2 10 45 To PA 980 – Canonsburg
Cecil Township 48.2 77.6 10A 48 Southpointe, Hendersonville Access to California University of Pennsylvania's Southpointe Campus and to the National Cemetery of the Alleghenies
50.2 80.8 49 Invalid type: Toll2 west – Pittsburgh International Airport Eastern terminus of PA 576; E-ZPass or toll-by-plate
Allegheny Bridgeville 54.6 87.9 11 54 PA 50 – Bridgeville
South Fayette Township 55.2 88.8 12 55 PA 50 – Heidelberg, Collier Township Formerly designated as "Heidelberg / Kirwan Heights"
Scott Township 57.4 92.4 13 57 Carnegie
Pennsbury Village 59.3 95.4 14 59 I-376 (US 22 / US 30) – Pittsburgh, Pittsburgh International Airport I-376 exit 59; signed as exits 59A (east) and 59B (west)
Robinson Township 60.4 97.2 16 60 PA 60 – Crafton, Moon Run Signed as exits 60A (south) and 60B (north) southbound
Coraopolis 64.1 103.2 17 64 PA 51 – Coraopolis, McKees Rocks No southbound exit
Ohio River Neville Island Bridge
Neville Township 64.8 104.3 18 65 Yellow Belt to PA 51 – Neville Island Southern terminus of Yellow Belt concurrency
Ohio River Neville Island Bridge
Glenfield 66.5 107.0 19 66 PA 65 – Emsworth, Sewickley
Ohio Township 68.0 109.4 20 68 Yellow Belt (Mount Nebo Road) Northern terminus of Yellow Belt concurrency
Franklin Park 72.1 116.0 21 72 I-279 south – Pittsburgh Southbound exit and northbound entrance; northern terminus of I-279,
73.3 118.0 22 73 PA 910 east / Orange Belt – Wexford Western terminus of PA 910
Marshall Township 75.7 121.8 23 75 Red Belt to US 19 south – Warrendale Northbound exit and southbound entrance
75.9 122.1 25 76 US 19 north – Cranberry Northbound left exit and southbound entrance
Butler Cranberry Township 77.2 124.2 77 I-76 / Penna Turnpike – Harrisburg, Youngstown OH I-76 / Penna Turnpike exit 28 (Cranberry)
78.7 126.7 25 78 PA 228 – Seven Fields, Mars, Cranberry
Jackson Township 83.1 133.7 26 83 PA 528 – Evans City Northbound exit and southbound entrance
85.5 137.6 26 85 To PA 528 (US 19) Southbound exit and northbound entrance
87.3 140.5 27 87 PA 68 – Zelienople Northbound exit and southbound entrance
88.7 142.7 27 88 To US 19 / PA 68 – Zelienople Signed as Little Creek Road northbound; promoted as access to Seneca Valley School District
Muddy Creek Township 95.8 154.2 28 96 PA 488 – Portersville, Prospect
Muddy Creek Township 99.6 160.3 29 99 US 422 – New Castle, Butler Access to Moraine State Park and McConnells Mill State Park
Worth Township 105.4 169.6 30 105 PA 108 – Slippery Rock Access to Slippery Rock University of Pennsylvania; interchange partially located in Lawrence County
Lawrence
No major junctions
Mercer Springfield Township 113.7 183.0 31 113 PA 208 / PA 258 – Grove City Access to Grove City College and Westminster College
Findley Township 116.5 187.5 116 I-80 – Clarion, Sharon Signed as exits 116A (east) and 116B (west); I-80 exit 19
Jackson Township 121.1 194.9 33 121 US 62 – Mercer, Franklin
New Vernon Township 130.6 210.2 34 130 PA 358 – Greenville, Sandy Lake Access to Thiel College
Crawford Greenwood Township 141.5 227.7 35 141 PA 285 – Geneva, Cochranton
Vernon Township 147.4 237.2 36 147 US 6 / US 19 / US 322 – Meadville, Conneaut Lake Signed as exits 147A (north/east) and 147B (south/west); access to Conneaut Lake Park and Allegheny College, to PA 102
Hayfield Township 153.9 247.7 37 154 PA 198 – Conneautville, Saegertown
Erie Washington Township 166.5 268.0 38 166 US 6N – Albion, Edinboro Access to Edinboro University of Pennsylvania
McKean Township 174.7 281.2 39 174 McKean
178.6 287.4 178 I-90 – Buffalo, Cleveland Signed as exits 178A (east) and 178B (west); I-90 exits 22; former southern terminus of I-179
Millcreek Township 180.5 290.5 41 180 To US 19 – Kearsarge Access to Millcreek Mall and PA 99
Erie 182.7 294.0 43 182 US 20 (26th Street) Access to Erie International Airport
183.6 295.5 44 183 PA 5 / PA 290 east (12th Street) Northbound exit and southbound entrance; signed as exits 183A (east) and 183B (west); access to Presque Isle State Park, Waldameer Park, and Gannon University; western terminus of PA 290
183.8 295.8 Bayfront Parkway
Lincoln Avenue
Northern terminus of I-79; roadway continues beyond Lincoln Avenue as Bayfront Parkway; former northern terminus of I-179
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Auxiliary routes

See also

References

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  2. 2.0 2.1 United States Geological Survey topographic maps and aerial photos, accessed via Terraserver-USA
  3. National Atlas of the United States, Hydrologic Units (Watersheds) GIS dataArchived May 4, 2013, at the Wayback Machine
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  7. Pennsylvania Turnpike Northwestern Extension Act, P.L. 706, No. 229, passed July 28, 1953
  8. Pennsylvania Turnpike Southwestern Extension Act, P.L. 174, No. 52, passed June 14, 1955
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  19. 19.0 19.1 19.2 Release Date Report. West Virginia Department of Transportation. August 2003.
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  44. Federal Highway Administration, National Highway Planning Network GIS data version 2005.08
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External links

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