I-579 Crosstown Boulevard The ramp from southbound I-579 (Crosstown Boulevard) to the southbound Liberty Bridge will be closed from 8 p.m. Friday through approximately 6 a.m. Monday. Crews will be placing a concrete overlay on the ramp. Traffic will be detoured using Grant Street to the Boulevard of the Allies.

I-79 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 (Exit 54) from 7 p.m. Friday through 11 a.m. Sunday.

Route 22 Several ramps at the Route 22 (Oakdale Road) Hankey Farms Interchange in North Fayette Township will be closed from 6 p.m. Friday continuously through 6 a.m. Monday. Crews will be milling and resurfacing the following ramps: • Eastbound Route 22 to Oakdale Road • Oakdale Road to eastbound Route 22 • Westbound Route 22 to Oakdale Road • Oakdale Road to westbound Route 22 Signs will be posted to guide motorists during the closures.

Route 28 Southbound traffic will be required to use the express lane traveling under the 40th Street Bridge Borough of Millvale from 8 p.m. Friday through approximately 5 p.m. Saturday. During the restrictions southbound traffic wishing to access the 40th Street Bridge will be detoured. After the new southbound lanes open to traffic Saturday, the express lane will be closed and removed.

Parkway East The ramp from the outbound (eastbound) Parkway East (I-376) to Plum/northbound Route 48 (Exit 84B) in Monroeville will be closed from 8 p.m. to 10 a.m. on Friday and Saturday nights. Crews will be patching, milling and paving the ramp. Signs will be posted to guide motorists during the Plum outbound ramp closures to use Exit 80 to Business Route 22 continuing east to access Route 48.

Route 50 Traffic on Route 50 (Washington Road/Pike) will be reduced to a single lane in each direction from Bridgeville Borough to Carnegie Borough from 8 p.m. Friday continuously through 6 a.m. Monday on Route 50 from Bower Hill Road in Bridgeville to Boden Avenue in Carnegie. Crews will be concrete patching, adjusting and rebuilding inlets and replacing curbs.