Traffic watch

Highlights from major construction projects around Pittsburgh and surrounding areas this week

1. Clairton and Miller roads and Route 51/Jefferson Hills: Lane restrictions throughout the area for work related to the ongoing construction of the Mon/ Fayette Expressway. Some work will continue into 2026. Also, Coal Valley Road is closed until April, necessitating a 4-mile detour using Routes 885 and 837 through Jefferson Hills and Clairton.

2. North Avenue Bridge at Brighton Road/Pittsburgh: Closed for replacement.

3. Gill Hall Road/Jefferson Hills: Lane restrictions between Bedell Road and the Pennsylvania Turnpike Commission driveway, 7:30 a.m. to 4:30 p.m. weekdays through late February for sewer installation.

4. Charles Anderson Memorial Bridge/Pittsburgh: Bridge that carries the Boulevard of the Allies over a ravine in Oakland closed as a result of problems found during an inspection.

5. Smithfield Street Bridge/Pittsburgh: One side closed for preservation, but bidirectional traffic maintained.

6. Armstrong Tunnel/ Pittsburgh: Closed inbound for rehabilitation. Additionally, the right lane for inbound traffic on Second Avenue closed at the intersection with the tunnel. Inbound tunnel expected to reopen during winter 2024, when the outbound tunnel and adjacent sidewalk will be closed.

7. Boyce Road/South Fayette: Slide remediation work between Hunting Ridge and Mayview roads. Traffic controlled by temporary signals through midJanuary.

8. Route 910/Richland, Marshall, Pine: Single-lane alternating traffic between Hardt Road and Mingo Road through late 2023 for reconstruction; daily from 9 a.m. to 3 p.m. and overnights from 7 p.m. to 6 a.m.

9.Chestnut Street/Pittsburgh: Reconstruction between Spring Garden Avenue and Phineas Street expected to end Jan. 12. Second phase then will concentrate on Tripoli/Zona Street to Phineas Street.

10. Greentree Road, Cochran Road/Scott, Mt. Lebanon: Lane restrictions for paving: Cochran Road between Beverly Road and Greentree Road weeknights from 9 p.m. to 7 a.m. through late 2023; Greentree Road between Cochran Road and Washington Pike weeknights from 6 p.m. to 6 a.m. through late 2023.

11. Sixth Avenue/Pittsburgh: Pittsburgh Regional Transit is adding a second work location to the University Line bus rapid transit project on Sixth between Smithfield Street and William Penn Place. One traffic lane maintained in each direction. No other streets will be impacted; work expected to last at this location through mid-February.

12. Glass Run and Mifflin roads/Pittsburgh: Closure of the ramp that carries traffic from northbound Route 837 to southbound Route 885 will remain in place through mid-September. A single lane of traffic will be maintained on the ramp as crews build a pedestrian walkway and ramp.

13. Baptist Road/Whitehall: Single-lane alternating traffic between Hamilton Road and Weyman Road, weekdays from 9 a.m. to 3 p.m. and from 7 p.m. to 7 a.m. through late December, for waterline work.

14. Butler Street/Pittsburgh: Lane restrictions between 34th Street and 39th Street, 8 a.m. to 4 p.m. daily through February for gas pipeline work.

15. Thompson Road/ Fawn: Closed between Hemphill Road and Sportsman Club Road for replacement of Bull Creek Bridge No. 8. Work to last until June.

16. Route 50 (Washington Pike/Collier): Lane restrictions in both directions for utility relocation work between the I-79 interchange and Landgraff Avenue. Work to continue as needed through late January. One lane of traffic in each direction open at all times.

17.Neville Island Bridge/ Neville: Closure of ramp that carries traffic from Grand Avenue to northbound I-79 has been extended through early January. All ramp traffic detoured.

18. Freeport Road/ Aspinwall, O’Hara: Lane restrictions between 23rd Street in Aspinwall and Fox Chapel Road in O’Hara, 9 a.m. to 3 p.m. weekdays through early April for signal work, miscellaneous construction.

19. Interstate 79/Sewickley Hills, Ohio Township: Lane restrictions southbound between the Mt. Nebo Road and the Emsworth/Sewickley interchanges, 7 a.m. to 5 p.m. weekdays through early February for miscellaneous work. Additionally, southbound I-79 is restricted in the same area to a single lane of traffic from 9 a.m. to 3 p.m. in the three-lane section.

20. Route 65, Fort Duquesne Bridge/Pittsburgh: Single-lane restriction on the southbound Route 65 ramp to the lower deck of the Fort Duquesne Bridge, 9 a.m. to 3 p.m. daily through late February for inspections.