Traffic on I-79 in the area of Mingo Road north of Wexford will be reduced to a single lane in both directions from 7 p.m. Friday to 7 a.m. Saturday. Only one of three lanes will remain open in each direction.
Traffic in both directions on I-79 will be restricted to a single lane from Washington County to ½ mile north of the Bridgeville interchange from 7 p.m. Friday through 8 a.m. Sunday.
Business Route 22/Parkway East
Business Route 22 will be closed in both directions from 11 p.m. Saturday to 8 a.m. Sunday in the area under the outbound (eastbound) Parkway East. Motorists will still be able to access the Pennsylvania Turnpike from eastbound Business Route 22 and the inbound Parkway East and Pennsylvania Turnpike from westbound Business Route 22.
Friday night -- 8 p.m. to 9 a.m. Saturday night -- 10 p.m. to 10 a.m. Sunday night -- 7 p.m. to 5 a.m.
Short-term lane closures on the westbound (inbound) Parkway East/Central (I-376) will occur from 6 a.m. to noon on Saturday for bridge inspection on the overhead ramp that connects the Boulevard of the Allies to the outbound Parkway East near the Birmingham Bridge. No restrictions will occur on the outbound Parkway East.
Several traffic stoppages of 15 minutes or less will occur as needed between 7:30 a.m. to 2 p.m. Sunday on the Parkway East in the area near Thompson Run Road overpass (between Exits 81-84) in Monroeville.
Parkway North/Fort Duquesne Bridge
A single, right lane closure on the outbound (northbound) Fort Duquesne Bridge approaching the Parkway North (I-279) will occur from 4 a.m. to 8 p.m. Saturday.
Route 28/40th Street Bridge
The 40th Street Bridge at the intersection with Route 28 (Allegheny Valley Expressway) will be fully closed from 8 p.m. Friday to 5 a.m. Monday. All access to and from the bridge will be closed. Crews will be reconstructing the intersection with Route 28. All southbound traffic on Route 28 will use the new bypass lanes.
The following work to improve Route 50 (Washington Road/Pike) and Greentree Road in Collier and Scott townships and Heidelberg and Carnegie boroughs will occur from 8 p.m. on Friday to 6 a.m. on Monday:
Crews will be rehabilitating the deck on the bridge that carries Greentree Road over Chartiers Creek (near the intersection with Route 50 across from Walgreens by the Exxon station). All traffic will use the inside lanes of the bridge (outside right lanes closed).
Route 50 will be widened in the area of the Thoms Run Road intersection. Eastbound traffic will be reduced to a single lane.
Single lane traffic will occur on Route 50 in both directions for paving between Collier Avenue in Heidelberg and Boden Avenue in Carnegie
The following ramps on Route 22 at the Route 30/978 Imperial Interchange in North Fayette Township will be closed Saturday for milling and resurfacing:
Eastbound Route 22 to Route 30 (west) and Route 978 (east)closed 11 a.m. to midnight Saturday
Eastbound Route 30 to westbound Route 22 closed 6 a.m. to 6 p.m. Saturday