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Pennsylvania Route 66
Major highways in Western Pennsylvania with PA 66 in red and alternate routes in blue
Route information
Maintained by PennDOT and PTC
Length	139.7 mi (224.8 km)
Existed	1927–present
Major junctions
South end	I-70 / I-76 / Penna Turnpike / US 119 in New Stanton
Major intersections	US 30 near Greensburg US 22 near Delmont PA 56 in Apollo US 422 in Kittanning PA 28 in New Bethlehem I-80 near Clarion
North end	US 6 in Kane
Location
Country	United States
State	Pennsylvania
Counties	Westmoreland, Armstrong, Clarion, Forest, Elk, McKean
Highway system
Pennsylvania State Route System Interstate US State Scenic Legislative
← PA 65 → PA 67
← PA 564 → PA 568

Pennsylvania Route 66 (PA 66) is a 139.7-mile-long (224.8 km) state highway in Western Pennsylvania. Its southern terminus is at U.S. Route 119 (US 119) just east of Interstate 70 (I-70) near New Stanton. Its northern terminus is at US 6 in Kane.

The southernmost 13.7 miles (22.0 km) of the route is a controlled-access toll road named the Amos K. Hutchinson Bypass and is signed as PA Turnpike 66, a part of the Pennsylvania Turnpike System serving as a bypass of Greensburg. The Bypass runs between US 119 and US 22. This portion is also part of Corridor M of the Appalachian Development Highway System.

Route description

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Amos K. Hutchinson Bypass

PA Turnpike 66 begins in New Stanton at a cloverleaf interchange with US 119, immediately east of connections to Interstate 70 and Interstate 76/Pennsylvania Turnpike. Up to Arona Road, its first interchange, no tolls are collected. The route then meets PA 136 before reaching the Hempfield Toll Plaza.

Near Jeannette, PA Turnpike 66 interchanges with US 30 and PA 130. North of here, the road meets PA 66 Business before reaching the northern terminus of the same route 3 miles (4.8 km) further north.

At this point, PA Turnpike 66 becomes PA 66 and the freeway ends at a traffic signal just north. PA 66 then meets US 22 at a single-point urban interchange.

Westmoreland County

North of the Amos K. Hutchinson Bypass, PA 66 enters Salem Township as Sheridan Road. In Delmont, PA 66 is called Sheridan Road. In Washington Township, PA 66 passes west of Beaver Run Reservoir.

In the village of Mamont, PA 66 intersects Pennsylvania Route 286. In the village of Poke Run north of PA 286, PA 66 intersects the eastern terminus of Pennsylvania Route 366. Then PA 66 intersects Pennsylvania Route 380, PA 380 west heads for downtown Pittsburgh.

South of Oklahoma, PA 66 intersects the southern terminus of Pennsylvania Route 356. In the village of Paulton, PA 66 intersects the southern terminus of Pennsylvania Route 66 Alternate.

PA 66 Alternate goes into Vandergrift and PA 66 goes into Apollo. In Oklahoma, PA 66 meets the northern terminus of Pennsylvania Route 819. In downtown Oklahoma, PA 66 turns to the east and crosses the Kiskiminetas River.

Armstrong County

After crossing the Kiskiminetas River, PA 66 enters Armstrong County and begins a concurrency with Pennsylvania Route 56 in Apollo. As they began their concurrency, PA 56/PA 66 are called Warren Avenue in Apollo. As PA 56/PA 66 enter the boro of North Apollo they parallel the Kiskiminetas River. In the village of North Vandergrift, the concurrency between PA 56 and PA 66 ends when PA 66 intersects PA 66 Alternate and PA 56 and PA 66 ALT begin their own concurrency into Vandergrift.

As PA 66 continues to parallel the Kiskiminetas River, it is called Lincoln Avenue. While paralleling the Kiskiminetas River, PA 66 has snake like curves. In Leechburg, PA 66 becomes Market Street, 3rd Street, and Pershing Avenue. As PA 66 exits Leechburg it does not parallel the Kiskiminetas River.

In Bethel Township, PA 66 meets the northern terminus of PA 66 Alternate. In Ford City, PA 66 becomes Main Street and intersects the northern terminus of Pennsylvania Route 128 at an "Y" intersection.

Southeast of Kittanning, PA 66 begins a concurrency with U.S. Route 422 and Pennsylvania Route 28 at an interchange. At the next exit US 422 leaves the concurrency and PA 28/PA 66 continue north at-grade.

In Rayburn Township, PA 28/PA 66 intersect the western terminus of Pennsylvania Route 85. PA 28/PA 66 continue towards the northeast without intersecting a route for more than 17 miles (27 km).

In South Bethlehem, PA 28/PA 66 become Broad Street and meet the northern terminus of Pennsylvania Route 839. The route then crosses the Redbank Creek into Clarion County after spending 43 miles in Armstrong County.

Clarion County

After crossing the Redbank Creek, PA 28/PA 66 enter Clarion County. In New Bethlehem, the concurrency between PA 28 and PA 66 ends when PA 66 leaves PA 28.

North of PA 28, PA 66 becomes Wood Street and intersects the eastern terminus of Pennsylvania Route 861. In Clarion Township, PA 66 begins a concurrency with Interstate 80 at exit 64. Then I-80/PA 66 meet Pennsylvania Route 68 at exit 62.

After crossing the Clarion River, PA 66 leaves I-80 at exit 60 (trumpet interchange). PA 66 continues north at grade. In Paint Township, PA 66 intersects U.S. Route 322 as Paint Boulevard. PA 66 continues towards the north paralleling rail road tracks.

In Farmington Township, PA 66 intersects Pennsylvania Route 36.

Forest, Elk, and McKean counties

As PA 66 enters Forest County, PA 66 intersects the northern terminus of Pennsylvania Route 899. In Jenks Township, PA 66 enters Allegheny National Forest. As PA 66 enters Elk County, PA 66 has a 2 miles (3 km) concurrency with Pennsylvania Route 948. Northeast of PA 948, PA 66 becomes Kane-Russell City Road. PA 66 enters McKean County as Fraley Street. In Kane, PA 66 ends at a "T" intersection with U.S. Route 6.

Tolls

The Amos K. Hutchinson Bypass portion of the route has tolls. Tolls are collected once during travel on the road, either at the mainline toll barrier, or at the exit or entrance point, depending on the possibility of reaching the mainline toll barrier during travel. No toll is charged for travel between exits 0 and 1 or north of exit 12.

The Amos K. Hutchinson Bypass uses all-electronic tolling, with tolls payable by toll-by-plate (which uses automatic license plate recognition to take a photo of the vehicle's license plate and mail a bill to the vehicle owner) or E-ZPass. As of 2024, the mainline toll barrier between exits 4 and 6 costs passenger vehicles $5.50 using toll-by-plate and $2.90 using E-ZPass. At the northbound exit and southbound entrance at exit 4 and the southbound exit and northbound entrance at exit 6, passenger vehicles are charged $4.70 using toll-by-plate and $1.90 using E-ZPass. The southbound exit and northbound entrance at exits 8 and 9 costs passenger vehicles $3.50 using toll-by-plate and $1.50 using E-ZPass.

Tolls along PA 66 were originally paid by cash or E-ZPass. At the mainline toll barrier, a staffed full-service lane existed, accepting cash or credit cards. For most exit ramp tolls, exact change was required; however some automatic toll collection machines accepted paper money and gave change. All toll collecting machines gave receipts. On October 27, 2019, all-electronic tolling was implemented along the Amos K. Hutchinson Bypass section of PA 66.

Major intersections

County	Location	mi	km	Old exit	New exit	Destinations	Notes
Westmoreland	New Stanton	0.0	0.0			US 119 south – Connellsville	Southern terminus
				1	0	I-70 / I-76 / Penna Turnpike / US 119 south – New Stanton, Greensburg	Southbound exit and northbound entrance; signed as exits 0A (US 119) and 0B (I-70/I-76); exit 58 on I-70; exit 75 on I-76 / Turnpike
		1.0	1.6	2	1	Arona Road	David B. Sheridan, P.E. Memorial Interchange; last northbound exit before toll
	Greensburg	4.3	6.9	3	4	PA 136 – West Newton, Greensburg	Tolled northbound exit and southbound entrance
				Hempfield Toll Plaza (E-ZPass or toll-by-plate)
		6.2	10.0	4	6	US 30 – Irwin, Greensburg	Tolled southbound exit and northbound entrance
		7.7	12.4	5	8	PA 130 – Jeannette, Greensburg	Tolled southbound exit and northbound entrance
		9.3	15.0	6	9	Harrison City, Greensburg	Tolled southbound exit and northbound entrance; access via PA 66 Bus. / Brick Hill Road; access to Bushy Run Battlefield
	Delmont	12.5	20.1	7	12	Boquet, Forbes Road	Access via PA 66 Bus.; last southbound exit before toll
				Northern end of freeway section PA Turnpike 66 becomes PA 66
		13.5	21.7			US 22 – Blairsville, Murrysville	Single-point urban interchange
	Washington Township	19.2	30.9			Mamont Drive to PA 286 – Mamont
		20.0	32.2			PA 366 west (Greensburg Road) – New Kensington, Lower Burrell	Eastern terminus of PA 366
		23.0	37.0			PA 380 – Sardis, Monroeville, Saltsburg	Interchange
		24.7	39.8			PA 356 north – Freeport	Southern terminus of PA 356
		26.3	42.3			PA 66 Alt. north (Hancock Avenue) – Vandergrift	Southern terminus of PA 66 Alt.
		26.6	42.8			PA 819 south – Salina	Northern terminus of PA 819
Armstrong	Apollo	27.3	43.9			PA 56 east (1st Street) – Shelocta	South end of PA 56 overlap
	Parks Township	29.9	48.1			PA 56 west / PA 66 Alt. north (Farragut Avenue / First Street) – Vandergrift, Kittanning	North end of PA 56 overlap
	Bethel Township	43.5	70.0			PA 66 Alt. south (Dime Road) – North Vandergrift, Apollo	Northern terminus of PA 66 Alt.
	Ford City	49.1	79.0			PA 128 south (5th Avenue) – Ford City, Manorville	Northern terminus of PA 128
	Manor Township	50.3	81.0			US 422 west / PA 28 south – Butler, Pittsburgh	Interchange; south end of US 422/PA 28 overlap
		52.3	84.2			US 422 east / US 422 Bus. west – Indiana, Kittanning	Interchange; north end of US 422 overlap
	Rayburn Township	53.4	85.9			PA 85 east – Rural Valley, Plumville	Western terminus of PA 85
	South Bethlehem	70.3	113.1			PA 839 south (Putneyville Road) – Mahoning Lake	Northern terminus of PA 839
Clarion	New Bethlehem	70.7	113.8			PA 28 north (Broad Street) – Brookville	North end of PA 28 overlap
		70.8	113.9			PA 861 west (Penn Street) – Rimersburg	Eastern terminus of PA 861
	Clarion	83.9	135.0	Southern end of freeway section
				10	64	I-80 east – DuBois	South end of I-80 overlap
	Monroe Township	86.3	138.9	9	62	PA 68 – Sligo, Clarion
	Paint Township	88.0	141.6	8	60	I-80 west – Sharon	North end of I-80 overlap
				Northern end of freeway section
		91.8	147.7			US 322 – Shippenville, Franklin, Clarion
	Farmington Township	103.3	166.2			PA 36 – Tionesta, Cook Forest
Forest	Jenks Township	112.7	181.4			PA 899 south – Clarington, Brookville	Northern terminus of PA 899
Elk	Highland Township	128.3	206.5			PA 948 north – Warren	South end of PA 948 overlap
		131.0	210.8			PA 948 south – Ridgway	North end of PA 948 overlap
McKean	Kane	138.9	223.5			US 6 (Fraley Street / Greeves Street) – Warren, Wilcox, Smethport	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Electronic toll collection       Incomplete access

Special routes

PA 66 Alternate

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Pennsylvania Route 66 Alternate
Location	Westmoreland- Armstrong County, Pennsylvania
Existed	1938–present

Pennsylvania Route 66 Alternate (PA 66 Alt.) is an 11-mile-long (18 km) alternate route through Westmoreland County and Armstrong County, Pennsylvania.

It leaves its parent route in Washington Township and travels through the center of Oklahoma and Vandergrift, while the mainline route bypasses residential neighborhoods along the riverfront.

PA 66 Alt. merges with PA 56 to cross the Kiskiminetas River. It becomes a separate route again in Parks Township (North Vandergrift), avoiding several riverfront towns as it travels along a hilly, rural stretch, before rejoining mainline PA 66 in Bethel Township.

From 1928 to 1938, the segment from North Vandergrift to the northern terminus was designated as PA 566.

Major intersections

County	Location	mi	km	Destinations	Notes
Westmoreland	Washington Township	0.00	0.00	PA 66 – Apollo, North Washington	Southern terminus of PA 66 Alt.
	Vandergrift	2.98	4.80	PA 56 west (Custer Avenue)	South end of PA 56 overlap
Armstrong	Parks Township	6.46	10.40	PA 56 east / PA 66 (Lincoln Street) – Leechburg, Apollo	North end of PA 56 overlap
	Bethel Township	11.37	18.30	PA 66 – Leechburg, Ford City, Kittanning	Northern terminus of PA 66 Alt.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

PA 66 Business

Pennsylvania Route 66 Business
Location	Westmoreland County, Pennsylvania
Length	7.743 mi (12.461 km)
Existed	1996–present

Pennsylvania Route 66 Business (PA 66 Bus.) is an 8-mile-long (13 km) business route in Westmoreland County, Pennsylvania, connected two fingers of suburbia located east of Pittsburgh. The highway was signed PA 66 Business after PA 66 was shifted onto a newly created toll road bypass.

The route begins nearly a mile south of the original terminus of PA 66, at a juncture with US 30 (which loops as a freeway around the city). It is cosigned with US 119 and PA 819 to the city center, before traveling on its own accord through several suburbanized miles.

The route then becomes more rural, as it provides a free connection to the east-central edge of suburban Pittsburgh at Delmont. The highway is designated by PennDOT SR 0119 between US 30 and Pittsburgh Avenue in Greensburg (along the concurrency with US 119), then is part of SR 0066 north of there.

Major intersections
The entire route is in Westmoreland County.

Location	mi	km	Destinations	Notes
Southwest Greensburg	0.000– 0.021	0.000– 0.034	US 30 to PA Turnpike 66 – Pittsburgh US 119 south / PA 819 south (South Main Street) – Youngwood	Interchange; southern terminus of PA 66 Bus.; south end of US 119/PA 819 overlap
Greensburg	1.255	2.020	US 119 north / PA 819 north / PA 130 (Pittsburgh Street) to US 30 – Ligonier	North end of US 119/PA 819 northbound overlap; US 119/PA 130/PA 819 on one-way pair
	1.331	2.142	US 119 / PA 130 / PA 819 (Otterman Street)	North end of US 119/PA 819 southbound overlap; south end of PA 130 westbound overlap; US 119/PA 130/PA 819 on one-way pair
	1.851	2.979	PA 130 west (Clopper Street)	North end of PA 130 westbound overlap
Hempfield Township	4.815– 4.914	7.749– 7.908	PA Turnpike 66 – New Stanton, Delmont	Exit 9 (PA 66); E-ZPass or toll-by-plate
	5.960	9.592	PA 993 west (Bushy Run Road) – Harrison City	Eastern terminus of PA 993
Salem Township	7.743	12.461	PA 66 north / PA Turnpike 66 south / Brick Hill Road – Delmont, Greensburg	Exit 12 (PA 66); northern terminus of PA 66 Bus.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Electronic toll collection       Route transition

See also

• U.S. Roads portal
• Pennsylvania portal

References

1. Pennsylvania Highways: PA 66
2. Pennsylvania Highways: PA Turnpike 66
3. Pennsylvania Tourism and Transportation Map
4. Rand Mcnally 2007 Atlas
5. 2024 Toll Schedule (PDF). Pennsylvania Turnpike Commission. 2024. Retrieved January 7, 2024.
6. Blazina, Ed (October 24, 2019). "Pa. Turnpike begins cashless tolling Sunday at Ohio border, Route 66 bypass". Pittsburgh Post-Gazette. Retrieved October 26, 2019.
7. DeLorme Street Atlas USA 2007
8. ^ "Pennsylvania Exit Numbering" (PDF). Pennsylvania Department of Transportation. Retrieved October 2, 2007.
9. ^ Bureau of Maintenance and Operations (January 2019). Roadway Management System Straight Line Diagrams (Report) (2019 ed.). Pennsylvania Department of Transportation. Retrieved March 14, 2019.
   • Westmoreland County (PDF)
   • Armstrong County (PDF)
   • Clarion County (PDF)
   • Forest County (PDF)
   • Elk County (PDF)
   • McKean County (PDF)

External links

• Pennsylvania Highways: PA 66
• Pennsylvania Highways: PA Turnpike 66

v t e Pennsylvania Turnpike Commission
Completed highways	Mainline Turnpike (I-70, I-76, I-95, I-276) Northeast Extension (I-476) James E. Ross Highway (I-376) Amos K. Hutchinson Bypass (Turnpike 66)
Partially completed highways	I-95 Connector Mon–Fayette Expressway (Turnpike 43) Southern Beltway (Turnpike 576)
Tunnels and bridges	Allegheny Mountain Tunnel Allegheny River Bridge Beaver River Bridge Blue Mountain Tunnel Delaware River Bridge Kittatinny Mountain Tunnel Lehigh Tunnel Mingo Creek Viaduct Mon–Fayette Expressway Bridge Schuylkill River Bridge Susquehanna River Bridge Tuscarora Mountain Tunnel
Aborted expansion plans	Chester Extension Erie Extension Gettysburg Extension Keystone Shortway Northwest & Southwest Extension Philadelphia Loop Extension Scranton Extension
Historical structures	Abandoned Pennsylvania Turnpike Rays Hill Tunnel Sideling Hill Tunnel Laurel Hill Tunnel South Pennsylvania Railroad Negro Mountain Tunnel Quemahoning Tunnel
Tolling systems	E-ZPass Cashless Tolling

• State highways in Pennsylvania
• Limited-access roads in Pennsylvania
• Toll roads in Pennsylvania
• Pennsylvania Turnpike Commission