U.S. Route 40 in Pennsylvania
Valley Grove, WV | ||
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East end | ![]() Grantsville, MD | |
Location | ||
Country | United States | |
State | Pennsylvania | |
Counties | Washington, Fayette, Somerset | |
Highway system | ||
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U.S. Route 40 (US 40) enters Pennsylvania at West Alexander. It closely parallels Interstate 70 (I-70) from West Virginia until it reaches Washington, where it follows Jefferson Avenue and Maiden Street. In Washington, US 40 passes to the south of Washington & Jefferson College. Following Maiden Street out of town, the road turns southeast toward the town of California. A short, limited-access highway in California and West Brownsville provides an approach to the Lane Bane Bridge across the Monongahela River. From here, the road continues southeast to Uniontown.
US 40 bypasses Uniontown along a
Route description

U.S. Route 40 enters Pennsylvania in rural western
US 40 enters
History
1789 to 1860
Envisioned by George Washington, US 40, or the National Road was built to connect the East and West. Needed by farmers and emigrants alike, the National Road would provide a stable route for trade through the Allegheny Mountains.[4] The National Road was preceded by buffalo trails, Native American footpaths, and the Nemacolin Trail. After the Revolutionary War, and an increase in migration westward, the newly formed national government realized that communication with the west would be difficult with the Appalachian Mountains separating the east coast from the western frontier. Therefore, the highway was put into Ohio's statehood bill by Albert Gallatin in 1802.[5]
In 1806,
1860 to present
In the 1860s, the National Road became insignificant due to the use of the railroads. Many businesses along the route became private homes and the stage coach line went out of business. States relinquished responsibility of the highway to the counties so little or no maintenance was performed on the road. The 1880s brought a small revival to the National Road with the formation of the
Major intersections
![]() | This section is missing mileposts for junctions. |
County | Location | mi[1] | km | Exit | Destinations | Notes |
---|---|---|---|---|---|---|
Washington | Donegal Township | 0.0 | 0.0 | ![]() ![]() | Continuation into West Virginia | |
Claysville | 6.3 | 10.1 | ![]() ![]() | Western terminus of PA 231 concurrency | ||
6.5 | 10.5 | ![]() ![]() | Eastern terminus of PA 231 concurrency | |||
Buffalo Township | 10.3 | 16.6 | ![]() | |||
I-70 – New Stanton, Wheeling | Partial cloverleaf interchange; exit 15 (I-70) | |||||
Washington | 16.2 | 26.1 | ![]() ![]() | Western terminus of PA 18 concurrency | ||
16.4 | 26.4 | ![]() ![]() | Western terminus of PA 136 | |||
16.8 | 27.0 | ![]() ![]() | Eastern terminus of PA 18 concurrency | |||
16.9 | 27.2 | ![]() ![]() | Western terminus of US 19 concurrency | |||
South Strabane Township | 18.9 | 30.4 | ![]() ![]() | Eastern terminus of US 19 concurrency | ||
I-79 – Washington, Waynesburg | Partial cloverleaf interchange; exit 33 (I-79) | |||||
North Bethlehem Township | 23.5 | 37.8 | ![]() ![]() | Southern terminus of PA 519 | ||
27.3 | 43.9 | ![]() ![]() | Southern terminus of PA 917 | |||
Centerville | 34.9 | 56.2 | ![]() ![]() | Southern terminus of PA 481 | ||
West Brownsville | Western end of freeway section | |||||
37.7 | 60.7 | A-B | ![]() ![]() ![]() | Cloverleaf interchange; signed as exits A (south) and B (north); western terminus of PA 88 concurrency | ||
39.3 | 63.2 | ![]() ![]() | Trumpet interchange; eastern terminus of PA 88 concurrency | |||
Monongahela River | Lane Bane Bridge | |||||
Fayette | Brownsville | Brownsville | Access via Market Street | |||
Eastern end of freeway section | ||||||
SCI Fayette | Northern terminus of PA 166 | |||||
toll-by-plate ; alternative route to Uniontown | ||||||
![]() ![]() ![]() National Pike) – Brownsville | Eastern terminus of US 40 Bus. | |||||
US 40 Bus. east (Main Street) | Western terminus of US 40 Bus. | |||||
Western end of freeway section | ||||||
![]() ![]() ![]() ![]() PA 43 north – Connellsville | Western terminus of US 119/PA 43 concurrency; diamond interchange | |||||
Trumpet interchange | ||||||
Walnut Hill Road | Diamond interchange | |||||
54.2 | 87.2 | ![]() ![]() ![]() ![]() PA 43 south – Morgantown | No westbound exit; eastern terminus of US 119/PA 43 concurrency | |||
![]() ![]() ![]() ![]() ![]() ![]() PA 43 south | Westbound exit only | |||||
56.9 | 91.6 | ![]() ![]() | Eastern terminus of US 40 Bus. | |||
Eastern end of freeway section | ||||||
Wharton Township | 65.8 | 105.9 | ![]() | |||
Henry Clay Township | 73.3 | 118.0 | ![]() ![]() | Western terminus of PA 281 concurrency | ||
73.5 | 118.3 | ![]() ![]() | Eastern terminus of PA 281 concurrency | |||
Somerset | Addison | 80.5 | 129.6 | ![]() ![]() | Southern terminus of PA 523 | |
National Pike) – Cumberland | Continuation into Maryland | |||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi |
See also
- U.S. Roads portal
Pennsylvania portal
References
- ^ a b "US 40 in Pennsylvania" (Map). Google Maps. Retrieved October 13, 2008.
- ^ "US 40 in Washington County" (Map). Google Maps. Retrieved October 13, 2008.
- ^ "US 40 in Fayette and Somerset Counties" (Map). Google Maps. Retrieved October 13, 2008.
- ^ a b "Historic National Road -- Pennsylvania Overview". National Scenic Byways Program. Retrieved October 24, 2008.
- ^ a b c "Timeline". Historic National Road: America's Road to Revolution. National Road PA. Retrieved December 4, 2015.
- ^ Joseph S. Mendinghall and S. Sydney Bradford (May 8, 1975). "National Register of Historic Places Inventory-Nomination: Searights Tollhouse, National Road" (pdf). National Park Service.
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(help) and Accompanying 3 photos, exterior, from 1975. (32 KB) - ^ "Petersburg Tollhouse: Addison, PA". Petersburg Tollhouse: Addison, PA. Daughters of the American Revolution. Retrieved December 4, 2015.
External links