Utility work on the West End Circle — the sprawling juncture of West Carson Street, the West End Bridge and several smaller streets — will lead to traffic restrictions in the area next week.

The northbound and southbound bypass ramps that carry traffic under the West End Circle will close between 9 p.m. and 5 a.m. beginning Monday and nightly through Thursday.

Crews from Duquesne Light will perform circuit work on West Carson Street between Corliss Street and Riverside Street.

In the meantime, drivers headed northbound can follow a detour via West Carson Street toward McKees Rocks. Those headed southbound can take Steuben Street toward West End Bridge/North Shore.

Western Pennsylvanians should also prepare for the following upcoming traffic restrictions:

Pittsburgh

• Kirkpatrick Street in Uptown will be closed at Fifth Avenue on Monday and Tuesday, and the Boulevard of the Allies on-ramp from Fifth Avenue will close for up to two hours during the day on Friday. Pittsburgh Regional Transit is continuing milling and paving related to the University Line bus route expansion. Drivers should anticipate changing traffic patterns near those areas.

Allegheny County

• West Mifflin: A single-lane restriction will take place on eastbound Lebanon Church Road between Lebanon School Road and Curry Hollow Road beginning at 6 p.m. on Friday and through midnight on Saturday. Crews are restoring pavement.

• Pleasant Hills: A single-lane restriction will take place on northbound Route 51 from Lewis Run Road between 7 a.m. and 6 p.m. on Saturday. Crews are conducting patching operations as part of a $19.85 million roadway project.

• Emsworth, Ben Avon, Avalon, and Bellevue: Single-lane restrictions will take place in both directions of Route 65 between McClure Avenue and Toms Run Road beginning on Monday and on weekdays from 9 a.m. until 3 p.m. through mid-November. Crews are drilling on the site.

• Marshall and Franklin Park: Single-lane restrictions will take place in both directions of I-79 between the I-79/I-279 split and the Mingo Road overpass beginning on Monday and on weekdays from 9 a.m. until 3 p.m. through mid-November. Crews are drilling on the site.

• Avalon: Northbound Route 65 traffic between Elizabeth Street and Prospect Street will be reduced to a single lane and shift into the southbound lane, and southbound traffic will shift onto the curb from 4 a.m. to noon on Sunday. Construction crews are setting up a crane.

• North Fayette: A single-lane restriction will take place in both directions of Route 22 between Potato Garden Road beginning on Monday and from 9 a.m. to 3 p.m. daily through Friday. Crews are drilling on the site.

• Tarentum: A single-lane restriction will take place eastbound on the Tarentum Bridge from Ross Street at 7th Avenue beginning on Monday and from 9 a.m. until 3 p.m. daily through Thursday. Crews are inspecting the bridge.

Fayette County

• Luzerne: Narrows Road will close between Melrose Street and Rush Run Road beginning on Monday and through January. Crews are performing slide repairs. Drivers can follow a posted detour via Labelle Road, Heistersburg Road and Rush Run Road.

Greene County

• Washington: The exit ramp of northbound Interstate 79 at Exit 19 (Ruff Creek/Jefferson) will close on Saturday between 7 a.m. and 5 p.m. Workers are paving the site. Drivers can follow a posted detour via Exit 23.

Washington County

• Robinson: A single-lane restriction will take place in both directions of Route 22 between the Candor Road overpass beginning on Monday and from 9 a.m. to 3 p.m. daily through Friday. Crews are drilling on the site.

Westmoreland County

• Rostraver: Single-lane restrictions will take place on Interstate 70 in both directions between Exit 43 (Route 201 Fayette City) and Exit 46 (Route 51/I-70 Interchange) on Monday and Tuesday from 9 a.m. to 3 p.m. Crews are removing temporary concrete molds from the Indian Hill Bridge.

• Washington: Ramp closures will take place on the Route 380 eastbound and westbound off-ramps to Route 66 and the Roue 66 on ramp to Route 380 eastbound beginning on Monday and through Sunday. Workers are completing roadway improvements worth $12.9 million. Commuters can follow a posted detour via Route 366.