Pennsylvania Route 66

PA Route 66

Major highways in Western Pennsylvania with PA 66 in red.

Route information

Maintained by PennDOT, PTC

Length:

139 mi (224 km)

Existed:

1927 – present

Major junctions

South end:

North end:

Location

Counties:

Highway system

← PA 65		PA 67 →
← PA 564		PA 568 →

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

PA Route 66 Business
Location:	Westmoreland County, Pennsylvania
Existed:	1996–present

Pennsylvania Route 66 (PA 66) is a 139 miles (224 km) long state highway in Western Pennsylvania. Its northern terminus is at U.S. Route 6 in Kane. Its southern terminus is at US 119 (just east of Interstate 70) near New Stanton. West of Greensburg, PA 66 becomes the tolled Amos K. Hutchinson Bypass, a part of the Pennsylvania Turnpike System. The Bypass runs between U.S. Route 119 and U.S. Route 22.

PA 66 begins in New Stanton at a cloverleaf interchange with US 119, immediately east of connections to Interstate 70 and Interstate 76/Pennsylvania Turnpike. Exit 1 is for Arona Road, where no tolls are collected. Exit 4 is the first toll exit. Exit 4 is located in Hempfield Township and PA 66 interchanges with Pennsylvania Route 136 at exit 4. 1 mile (1.6 km) north of PA 136, PA 66 reaches the Hempfield Toll Plaza. Southeast of Jeannette, PA 66 interchanges with U.S. Route 30 at exit 6. Exit 8 is located 1 mile (1.6 km) east of Jeannette and PA 66 interchanges with Pennsylvania Route 130. At exit 9, PA 66 interchanges with Pennsylvania Route 66 Business the former routing of PA 66. At exit 12, PA 66 interchanges with the northern terminus of PA 66 Business. At exit 14, PA 66 meets U.S. Route 22 at a single-point urban interchange. North of US 22, PA 66 continues north at-grade.