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As of December 1, 1970, Pennsylvania's share of the national Interstate Highway system was 85% complete, with 1,365 miles in use; 88 miles under construction; and 123 miles in design. After a two-year study, the Department of Transportation was created in 1970 to coordinate highway, rail, air and water transportation through a master plan.  Construction took place on Interstate Routes 79, 80 and 81. |  Known as the Raymond P. Shafer highway, Interstate 79 runs for 110 continuous miles of Interstate 79, from Erie to the Allegheny- Butler line. |
- Pennsylvania Department of Transportation
- See Jeffrey Kitsko's unofficial, but very complete, site on Pennsylvania Highways, esecially the section on Interstate Highways.
- A Look at the History of the Federal Highway Administration recalls the opening of the Keystone Shortway on 17 September 1970.
- Joe Grata tells us Anybody who's anybody gets his name on a state highway!
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Constitutional Convention
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Biography | Resources | Credits | ALLEGHENY COLLEGE | Home | History & Heritage http://shafer.allegheny.edu/highway.html |