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U.S. Route 40 in Pennsylvania

U.S. Route 40 marker

U.S. Route 40
National Road
Route information
Maintained by PennDOT
Length: 82.50 mi (132.77 km)
Tourist
routes:
Historic National Road
Major junctions
West end: US 40 near Valley Grove, WV
 

I-70 in Washington
US 19 in Washington
I-79 near Washington
Toll PA 43 near West Brownsville
US 119 in Uniontown

PA 43 in Uniontown
East end: US 40 near Grantsville, MD
Location
Counties: Washington, Fayette, Somerset
Highway system
PA 39 PA 41
US 11 PA 11 PA 12
I-81 PA 81 I-81E

U.S. Route 40 marker

I-70 in Washington
US 19 in Washington
I-79 near Washington
Toll PA 43 near West Brownsville
US 119 in Uniontown


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Wikipedia

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