Pennsylvania Route 8

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PA Route 8 marker

PA Route 8
Route of PA 8 highlighted in red
Route information
Maintained by PennDOT
Length: 148.60 mi[1] (239.15 km)
Major junctions
South end: I-376 / US 22 / US 30 in Wilkinsburg
  PA 28 in Pittsburgh

I-76 / Penna Turnpike in Hampton Township
US 422 near Butler
I-80 near Barkeyville
US 62 / US 322 in Franklin
US 6 in Union City

I-90 near Erie
North end: US 20 in Erie
Counties: Allegheny, Butler, Venango, Crawford, Erie
Highway system
PA 7 PA 9

Pennsylvania Route 8 (PA 8) is a major 148.6-mile-long (239.1 km) route in western Pennsylvania. Officially, PA 8 is named the William Flinn Highway. Its southern terminus is at Interstate 376, U.S. Route 22, and U.S. Route 30 (I-376/US 22/US 30) in Pittsburgh. Its northern terminus is US 20 in Erie.

Route description

Pittsburgh to Interstate 80

The southern terminus of PA 8 is at an interchange with I-376, US 22, and US 30 east of downtown Pittsburgh. The route, running along Ardmore Boulevard, Penn Avenue and Washington Boulevard, heads west from I-376 and runs through the eastern districts of the city. PA 8 has intersections with Pennsylvania Route 380 and Pennsylvania Route 130 prior to crossing the Allegheny River and exiting Pittsburgh.

File:Pennsylvania Route 8 in Butler.jpg
Route 8 is a major street in downtown Butler.

North of the bridge that crosses the Allegheny River, PA 8 meets Pennsylvania Route 28 at an interchange. 8 miles (13 km) north of Pittsburgh, PA 8 intersects Interstate 76 and the Pennsylvania Turnpike at exit 39. In Middlesex Township, PA 8 runs concurrent with Pennsylvania Route 228 for 2 miles (3 km). In Butler, PA 8 crosses Connoquenessing Creek on the General Richard Butler Bridge then runs with Pennsylvania Route 356 through downtown on South Main Street.

North of the city of Butler, PA 8 meets U.S. Route 422 at an interchange. Near Moraine State Park, PA 8 meets Pennsylvania Route 528 and Pennsylvania Route 173. About 3 miles (4.8 km) east of Slippery Rock, PA 8 meets Pennsylvania Route 108. In the town of Harrisville, PA 8 intersects Pennsylvania Route 58 (Grove City Harrisville Road). A few miles north of the Butler-Venango county line, PA 8 meets Interstate 80 at exit 29 near Barkeyville.

Mae West Bend

About 0.5 miles (0.8 km) north of the interchange of PA 28 (in the borough of Etna) is a very sharp and hazardous curve, known to Pittsburghers as "Mae West Bend". The site of numerous accidents over the years, this curve has recently been widened by razing the deteriorating buildings along the inner edge of the curve and digging out the mountainside so that two lanes ran in each direction throughout the curve (Southbound travellers previously had to merge left on the curve as the right lane ended).

Interstate 80 to Erie

2 miles (3 km) north of I-80, PA 8 becomes a limited-access highway. The expressway is 9 miles (14 km) long and has only two exits, one of which serves as the northern terminus of Pennsylvania Route 308. North of the expressway, PA 8 is called Pittsburgh Road. South of Franklin, PA 8 merges with U.S. Route 62, beginning a 10-mile (16 km) concurrency with the route. In Franklin, PA 8 and US 62 meet U.S. Route 322 in the city center. The routes form a short, 0.5 miles (0.8 km) concurrency through the city before splitting near the Allegheny River. North of US 322, PA 8 and US 62 begin to parallel the Allegheny River. West of downtown Oil City, the concurrency with US 62 ends. US 62 crosses the Allegheny and runs south of the city before turning north towards the Allegheny National Forest and New York. PA 8, however, continues into Oil City, where PA 8 meets Pennsylvania Route 8 Business, the first of two auxiliary routes of PA 8, at Center Street. While PA 8 Business heads into Oil City, PA 8 runs west of the city along the former routing of Pennsylvania Route 8 Bypass, rejoining PA 8 Business at North Seneca Street north of town.

North of Oil City, PA 8 is named Oil City-Titusville Road. In the city of Titusville, PA 8 meets Pennsylvania Route 27 and the southern terminus of Pennsylvania Route 89 at the intersection of Franklin Street and Central Avenue. PA 8 forms a concurrency with PA 27 westward along the one-way streets of Central Avenue and Diamond Street before splitting at Spring Street.

In Riceville, PA 8 intersects Pennsylvania Route 77. 5 miles (8 km) north of PA 77, PA 8 enters Erie County. In Union City, PA 8 merges with U.S. Route 6 for 0.5 miles (0.8 km) through downtown. Just north of the split with US 6, PA 8 meets the southern terminus of the northern segment of Pennsylvania Route 97. PA 8 passes by a dry lake called Union City Lake south of Wattsburg, where it merges with Pennsylvania Route 89. The two routes run concurrent to one another through Wattsburg, where PA 8 and PA 89 meet the western terminus of Pennsylvania Route 474, to the Venango Township community of Lowville, where PA 8 breaks from PA 89, taking a more westerly routing than PA 89. PA 8 is named Wattsburg Road between Lowville and the Erie city line.

1.5 miles (2.4 km) southeast of Erie, PA 8 interchanges with Interstate 90 at exit 29, which shows a sign for Parade Street (northbound) and Hammett (southbound).

In the city itself, PA 8, as Pine Avenue, meets the northern terminus of Old French Road (PA 97) a mere 700 feet (210 m) south of its northern terminus at U.S. Route 20. PA 97 and PA 8 effectively join to become Parade Street, which continues north to Front Street, just south of the Bayfront Parkway.


PA 8 was first signed in 1926 from West Virginia to Erie. South of Pittsburgh, PA 8 followed the current U.S. Route 19 alignment from the West Virginia state line to Canonsburg, as well as the present Pennsylvania Route 50 alignment from Bridgeville to Crafton. The West Virginia – Pittsburgh segment was decommissioned in 1930.[2]

In 1934, construction began on PA 8 between the AlleghenyButler county line and Three Degree Road. This segment opened in 1935. Later, in 1958, construction commenced on the segment from Grant Avenue to Pennsylvania Route 28 in Etna. In that same year, the route was widened and a median was installed from Franklin to Reno. The Grant Avenue – PA 28 segment was completed the following year. In 1961, PA 8 from the end of the Richard C. Frame Memorial Highway at Interstate 80 to Franklin was upgraded with a median, and, in 1968, the section from Reno to Oil City had a median installed as well.[3][4][5][6]

In 1973, construction began on the section of expressway from Pennsylvania Route 308 in Pearl to the northern end of the present expressway south of Franklin in Venango County. That same year, the southern terminus of PA 8 was moved from West Carson Street in Pittsburgh to Pennsylvania Route 28 in Etna. In 1974, construction began on the remainder of the expressway from the present southern end at Wesley to PA 308. The highway was completed in 1976. In 1977, the southern terminus was moved to its current location from PA 28 in Etna. In 1979, the route was realigned onto what was then PA 8 Bypass (Main Street) to bypass downtown Oil City. PA 8 Bypass, initially signed in 1941, was decommissioned while the former routing in PA 8 in Oil City became Pennsylvania Route 8 Business.[7]

Major intersections

County Location mi
[citation needed]
km Destinations Notes
Allegheny Wilkinsburg 0.0 0.0 I-376 / US 22 / US 30 west (Penn-Lincoln Parkway) – Pittsburgh, Monroeville
US 30 east (Ardmore Boulevard)
Exit 8 (I-376), southern terminus of PA 8
Pittsburgh 2.45 3.94 PA 380 east (Dallas Avenue) Southern terminus of PA 380 concurrency
2.76 4.44 PA 380 west (Penn Avenue)
Blue Belt (Fifth Avenue)
Northern terminus of PA 380 concurrency, southern terminus of Blue Belt concurrency
4.98 8.01 PA 130 east / Green Belt (Allegheny River Boulevard) – Penn Hills Western terminus of PA 130, southern terminus of Green Belt concurrency
5.02 8.08 Blue Belt to Green Belt (Highland Park Bridge) / PA 28 Interchange, northern termini of Blue and Green belt concurrencies
Allegheny River Senator Robert D. Fleming Bridge
Etna 7.11 11.44 To PA 28 – Sharpsburg Interchange, northbound exit and southbound entrance, access via Bridge Street
7.11 11.44 PA 28 / Blue Belt (Allegheny Valley Expressway) – Pittsburgh, Kittanning Interchange, southbound exit and northbound entrance, Exit 5 (PA 28)
Hampton Township 12.14 19.54 Green Belt (Duncan Avenue) Southern terminus of Green Belt concurrency
12.22 19.67 Green Belt (Harts Run Road) Northern terminus of Green Belt concurrency
14.25 22.93 Yellow Belt (Wildwood Road)
16.17 26.02 I-76 / Penna Turnpike – Pittsburgh, Ohio Interchange, Exit 39 (Butler Valley) (I-76 / Penna Turnpike)
Richland Township 17.83 28.69 PA 910 / Orange Belt (Gibsonia Road) – Pittsburgh International Airport, New Kensington
19.23 30.95 To Red Belt (Bakerstown Road) – Bakerstown, Tarentum, Warrendale Accessible via interchange both directions (northbound via Heckert Road)
Butler Middlesex Township 22.58 36.34 PA 228 west (Mars Criders Road) – Mars Southern terminus of PA 228 concurrency
24.27 39.06 PA 228 east (Glade Mill Road) – Saxonburg, Ekastown Northern terminus of PA 228 concurrency
Butler Township AK Steel Interchange
Butler 34.42 55.39 PA 356 south (Wayne Street) Southern terminus of PA 356 concurrency
34.69 55.83 PA 68 / PA 356 north (Jefferson Street) Northern terminus of PA 356 concurrency
Butler Township 36.02 57.97 US 422 (Benjamin Franklin Highway) – Kittanning, New Castle Interchange
Center Township 37.48 60.32 PA 308 north (West Sunbury Road) – West Sunbury Southern terminus of PA 308
Clay Township 43.84 70.55 PA 138 north (Euclid Road) – West Sunbury Southern terminus of PA 138
Brady Township 47.05 75.72 PA 528 south (Prospect Road) – Prospect Northern terminus of PA 528
47.08 75.77 PA 173 north (Centreville Pike) – Slippery Rock Southern terminus of PA 173
Slippery Rock Township 52.87 85.09 PA 108 west (Franklin Road) – Slippery Rock Eastern terminus of PA 108
Harrisville 55.84 89.87 PA 58 (Mercer Street) – Grove City, Eau Claire
Venango Barkeyville 59.95 96.48 PA 208 (Barkeyville Road/Clintonville Road) – Grove City, Clintonville
60.84 97.91 I-80 – Sharon, Clarion Interchange, Exit 29 (I-80)
Irwin Township South end of freeway
Nectarine, Wesley Southbound exit and northbound entrance, access via Georgetown Road
66.15 106.46 PA 308 south – Pearl, Bullion Northern terminus of PA 308
North end of freeway
Franklin 75.90 122.15 US 62 south (Mercer Road) – Mercer Southern terminus of US 62 concurrency
77.38 124.53 US 322 west (13th Street) Southern terminus of US 322 concurrency
77.80 125.21 US 322 east (Liberty Street) Northern terminus of US 322 concurrency
Oil City 85.34 137.34 US 62 north (Petroleum Street) – Tionesta
PA 428 north (Halyday Street)
Northern terminus of US 62 concurrency, southern terminus of PA 428

PA 8 Bus. north (Center Street)
Southern terminus of PA 8 Bus.

PA 8 Bus. south (Seneca Street)
Northern terminus of PA 8 Bus.
Rouseville 88.71 142.76 PA 227 east (Cherry Run Road) Western terminus of PA 227
Oakland Township 93.58 150.60 PA 417 south – Dempseytown Northern terminus of PA 417
Crawford Titusville
PA 8 Truck north / PA 27 Truck west (St. John Street)
Southern terminus of PA 8 Truck, eastern terminus of PA 27 Truck westbound
100.70 162.06 PA 27 east (Central Avenue)
PA 89 north (Franklin Street)
Southern terminus of PA 27 concurrency, southern terminus of PA 89

PA 8 Truck south (Perry Street)
Northern terminus of PA 8 Truck, western terminus of PA 27 Truck westbound
101.12 162.74 PA 27 west (Central Avenue) – Meadville Northern terminus of PA 27 concurrency
Bloomfield Township 113.85 183.22 PA 408 west (Main Street) – Hydetown Eastern terminus of PA 408
PA 77 – Meadville, Spartansburg
Erie Union City 122.13 196.55 US 6 west (Meadville Road) – Meadville Southern terminus of US 6 concurrency
122.78 197.60 US 6 east (High Street) Northern terminus of US 6 concurrency
122.93 197.84 PA 97 north (Waterford Street) Southern terminus of PA 97
Amity Township 130.59 210.16 PA 89 south (Beaverdam Road) – Corry Southern terminus of PA 89 concurrency
Wattsburg 131.11 211.00 PA 474 east (Jamestown Street) – Clymer, Jamestown Western terminus of PA 474
Venango Township 132.69 213.54 PA 89 north – North East Northern terminus of PA 89 concurrency
Millcreek Township 145.10 233.52 I-90 – Cleveland, Buffalo Interchange, Exit 29 (I-90)
Erie 148.44 238.89 PA 97 south (Old French Road) Northern terminus of PA 97
148.54 239.05 US 20 (26th Street) Northern terminus of PA 8
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Bannered routes

PA 8 Business

PA Route 8 Business
Location: Oil City, Pennsylvania
Existed: 2000–present

Pennsylvania Route 8 Business is a 1-mile-long (1.6 km) business route in Venango County, Pennsylvania.

In 1979, a two-lane but development-free bypass of Oil City was constructed on the westbank of Oil Creek and featured the designation of Pennsylvania Route 8 Bypass. The original eastbank sector and its two bridges were initially kept as mainline Route 8. The first half of the very short route features one-way couples through the heart of the municipality, and the northern half features a single, business-lined two-lane street. Mainline Route 8 was redirected to the former bypass upon the commissioning of Route 8 Business.[8]

PA 8 Truck

PA Route 8 Truck
Location: Titusville, Pennsylvania
Existed: 1980–present

Pennsylvania Route 8 Truck is a 12-mile-long (0.80 km) truck route in Titusville, Crawford County, Pennsylvania. In 1980, the designation was established to remove trucks from the complicated intersection with Pennsylvania Route 27 and to provide direct access for local trucks past the borough's small industrial area along St. John Street. For its entire length it is cosigned with Truck Route 27.

PA 8 Bypass

PA Route 8 Bypass
Location: Oil City, Pennsylvania
Existed: 1979–2000

Pennsylvania Route 8 Bypass was the original designation for PA 8 Business. PA 8 Bypass was signed in 1979, but was decommissioned and renamed PA 8 Business in 2000.[9]

See also


  1. DeLorme Street Atlas USA 2007 software, Toggle Measure Tool
  2. Pennsylvania Road Map (front section) (PDF) (Map). Pennsylvania Department of Highways. 1930. Retrieved 2007-12-28.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. Pennsylvania Road Map (front section) (PDF) (Map). Pennsylvania Department of Highways. 1940. Retrieved 2007-12-28.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. Pennsylvania Road Map (front section) (PDF) (Map). Pennsylvania Department of Highways. 1960. Retrieved 2007-12-28.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. Pennsylvania Road Map (front section) (PDF) (Map). Pennsylvania Department of Highways. 1970. Retrieved 2007-12-28.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  6. Pennsylvania Senate Bill 1088 (1985-1986)
  7. Pennsylvania Road Map (front section) (PDF) (Map). PennDOT. 1980. Retrieved 2007-12-28.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  8. PA 1 - PA 50 (Map). 2010. Retrieved 2011-02-02.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>[unreliable source?]
  9. PA 1 - PA 50 (Map). 2010. Retrieved 2011-02-02.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>[unreliable source?]

External links

Route map: Bing / Google