Below is a summary of the major closings and restrictions this weekend:
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 replace bearings under the ramp. The detour will use Grant Street to the Boulevard of the Allies.
Four traffic stoppages of 15 minutes or less will occur in both directions on I-79 between 9 a.m. to noon Sunday in the area north of the Collier Avenue overpass between Kirwan Heights and Carnegie. Crews from Duquesne Light will be performing work above I-79.
Lane closures will occur on I-79 in the area of the Warrendale-Bayne Road interchange from 10 p.m. Friday through noon Saturday. Southbound traffic will be reduced to a single lane (two lanes closed) with northbound traffic reduced to two lanes (one lane closed). Crews will be paving shoulders and painting edge lines on the Warrendale-Bayne Road overpass bridges. Delays should be expected.
Parkway East (I-376)
Crews will be removing temporary signs on the inbound (westbound) Parkway East (I-376) beginning at the Squirrel Hill Tunnel continuing to the Boulevard of the Allies to the Liberty Bridge ramp from 8 p.m. Saturday to 6 a.m. Sunday. Short-term lane closures will occur.
Traffic on Route 50 (Washington Road/Pike) in Collier Township will be reduced to a single lane in each direction shifted to one side of the roadway away from work areas from 8 p.m. Friday continuously through 6 a.m. Monday. Crews will be removing and replacing strip seal dams on the bridge that carries Route 50 over Chartiers Creek near the intersection of Thoms Run Road.