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I-70 enters Pennsylvania from West Virginia, coming into Donegal Township, Washington County.The highway continues northeast as a four-lane freeway with a standard-size median up to Interstate Highway standards through rural areas of woodland and farmland, coming to its first junction at a partial cloverleaf interchange with State Route 3023 (SR 3023), to the southeast of unincorporated ...
I-70 also overlaps I-79 near the Pittsburgh suburb of Washington for three miles (4.8 km). The 38 miles (61 km) of I-70 between Washington and New Stanton is a substandard section of the highway. This section of I-70 used to be Pennsylvania Route 71 (PA 71). It is characterized by sharp curves, limited sight distance, narrow shoulders, and lack ...
Since Pennsylvania first introduced numbered traffic routes in 1924, a keystone symbol shape has been used, in reference to Pennsylvania being the "Keystone State". The signs originally said "Penna" (a common abbreviation for Pennsylvania at the time), followed by the route number in block-style numbering in a keystone cutout.
PA. → PA 44. The Mon–Fayette Expressway is a partially-completed controlled-access toll road that is planned to eventually link Interstate 68 near Morgantown, West Virginia with Interstate 376 near Monroeville, Pennsylvania. The ultimate goal of the highway is to provide a high speed north–south connection between Morgantown and the ...
Legislative. The list of Interstate Highways in Pennsylvania encompasses 23 Interstate Highways —12 primary routes and 11 auxiliary routes—which exist entirely or partially in the U.S. state of Pennsylvania. In Pennsylvania, most of the Interstate Highways are maintained by the Pennsylvania Department of Transportation (PennDOT).
The original Pennsylvania Route 3 was the designation for the William Penn Highway running from Hanover Township to Easton.After its decommissioning in 1930, PA 3 was renumbered in several areas to extend active routes, including US 22 from the WV/PA state line to Harrisburg, PA 60 from Robinson Township to Pittsburgh, US 322 from Harrisburg to Hershey, US 422 from Hershey to Wyomissing, US ...
I-70 exit 58; western end of I-70 overlap; southern terminus of PA 66; access to Washington, PA and Columbus, OH via I-70 west; access to Connellsville via US 119; access to Delmont via PA 66: Hempfield Township: 77.60: 124.89: New Stanton Service Plaza (westbound) Donegal Township: 90.69: 145.95: 9: 91: Donegal
No. of lanes. 4 (two in each direction) Highest elevation. 2,314 feet (705 m) The Allegheny Mountain Tunnel is a vehicular tunnel carrying the Pennsylvania Turnpike through the Allegheny Mountains. At this point, the Turnpike carries Interstates 70 and 76. When the tunnel was built, it was considered an "engineering marvel."