UPDATES from Thursday, Dec. 10

Fort Pitt Bridge, Fort Duquesne Bridge, Parkway East -- Intermittent short-term lane closures on the bridges and parkway from Downtown to Squirrel Hill from 5 a.m. to noon Saturday during lighting repairs.

Parkway North, North Side -- Outbound left lane closed from 9 a.m. to 2 p.m. Monday between Anderson Street and Mazeroski Way during bridge inspection.

UPDATES from Wednesday, Dec. 9

Interstate 79, Butler County -- One lane closed northbound at mile 82.2 in Jackson from 7 a.m. to 3:30 p.m. Monday and Tuesday as crews place large rocks in the streambed area to prevent bridge scour.

Interstate 79, Marshall -- Southbound reduced to a single lane in area of bridge over Pennsylvania Turnpike from 7 p.m. Thursday to 6 a.m. Friday.

Route 65, North Side -- Intermittent lane and shoulder closures in both directions and on various ramps in the area of the West End Bridge from 9 a.m. to 3 p.m. Thursday and Friday.

West End Circle -- Traffic from circle to West End Bridge reduced to one lane from 7 a.m. Thursday to 3 p.m. Dec. 18 as crews remove temporary barrier and concrete to install new concrete barrier. Electrical work will also occur.

UPDATES from Tuesday, Dec. 8

Route 51, West End -- Intermittent lane closures in both directions between the Liberty Tunnels and the West End Bridge from 9 p.m. to 5 a.m. Wednesday night through Saturday morning during sign installation.

Route 65, North Side -- Intermittent lane closures in both directions between the Fort Duquesne and West End bridges from 9 p.m. to 5 a.m. Wednesday and Thursday nights and from 9 p.m. on Friday through 9 a.m. on Saturday during sign installation.

UPDATES from Monday, Dec. 7

Bower Hill Road, Scott -- Lane restrictions possible at Painters Run and Rockhill roads from 8 a.m. to 4 p.m. Tuesday during traffic signal upgrades.

Squirrel Hill Tunnel -- One lane closed inbound from 10 p.m. Tuesday to 5 a.m. Wednesday during electrical work.

Allegheny County

Blythedale Road, Elizabeth Township -- Reduced to alternating single-lane traffic because of collapse of the northbound lane between Shaler Street and Fallen Timber Road.

Business Route 22, Churchill -- Single-lane traffic westbound in the area under the Parkway East near the inbound on-ramp from 9 a.m. Monday around-the-clock through 5 a.m. Dec. 14 during bridge improvements.

Butler Street, Liberty Avenue, Lawrenceville -- Single-lane closures possible 9 a.m. to 3 p.m. weekdays and 8 p.m. to 5 a.m. weeknights starting Monday through Dec. 19 at 40th and Butler streets; Butler Street and Penn Avenue; and Liberty Avenue and Ligonier Street during installation of new traffic signal support foundations.

Cochrans Mill Road, Jefferson Hills -- Closed between Stilley Road and West Bruceton Road until Feb. 1 for bridge replacement. Detour posted.

Dorrington Road, Collier -- Bridge closed over Robinson Run between Cluxton Street and Noblestown Road around the clock through April 2010. Road open to local traffic only.

Fort Duquesne Bridge, Downtown -- On-ramp to the northbound Fort Duquesne Bridge from Fort Duquesne Boulevard to close 9 a.m. Monday around the clock through Dec. 21. Posted detour via 10th Street Bypass, Commonwealth Place, Fort Pitt Boulevard.

Graham Road, Pine -- Closed between Pearce Mill Road and English Road until summer 2012 during replacement of a Pennsylvania Turnpike bridge.

Interstate 79, Neville -- Inspection activities on bridge over Ohio River to cause lane closures from 9 a.m. to 3 p.m. starting Monday through Dec. 29. No weekend or holiday restrictions.

Jefferson Heights Road, Penn Hills -- Bridge over Parkway East closed through end of year for rehabilitation. Detour posted.

Liberty Tunnels -- Inbound tunnel closed for major rehabilitation Sundays through Thursdays from 10 p.m. to 6 a.m. through late August 2010.

Light Rail Transit -- Gateway Center closed through 2011.

Old State Road, Pine -- Closed between Whippoorwill Hill Road and Fox Hollow Lane for replacement of a Pennsylvania Turnpike bridge through mid-summer 2012. Detour posted.

Parkway East -- Lane closures possible 9 p.m. to 5 a.m. Sunday through Friday nights in both directions from the Squirrel Hill Tunnel to approximately 1.5 miles west of the tunnels.

Intermittent single- and double-lane closures in both directions from Downtown Pittsburgh to the Pennsylvania Turnpike from 9 p.m. to 5 a.m. Monday through Friday nights through Dec. 19 for sign installation.

One lane closed in both directions from 9 a.m. to 3 p.m. daily Monday through Friday in the area of the bridge that carries Jefferson Heights Road over the parkway between the Penn Hills and Plum interchanges.

Rankin Bridge -- Single-lane traffic continues in each direction through October. Sidewalk on main span closed for reconstruction. Port Authority has free-ride zone between Rankin and Whitaker for pedestrians for the duration of construction.

Route 28, Etna -- Single-lane traffic northbound on new bridge over Route 8 from 9 a.m. to 3 p.m. Monday during routine inspection. Some restrictions also possible on North Main Street and Bridge Street beneath northbound Route 28.

Route 88, Castle Shannon -- Lane closures and alternating single-lane traffic weeknights from 7 p.m. to 5 a.m. from Castle Shannon Boulevard to Sixth/Killarney streets through late February. Minor daylight restrictions also possible.

Route 910, Harmar, Indiana Township -- Closed westbound from the southbound Route 28 off-ramp to Locust Hill Road until 6 a.m. Monday, the final weekend closure this year.

Thoms Run Road, Collier -- Closed at 7:30 a.m. Tuesday between Presto-Sygan Road and Battle Ridge Road for subsurface drilling. Road expected to reopen the same evening.

Tri-Boro Expressway -- Expressway/Braddock Avenue closed in both directions from O'Connell Boulevard to Cable Avenue for bridge replacement. Also, East Pittsburgh-McKeesport Boulevard closed from Elder Street to the Tri-Boro Expressway. Main Street under the bridge closed from Braddock Avenue to Bessemer Avenue, all until late this year.

West End Bridge -- Lane and sidewalk closures possible from 9 a.m. to 2 p.m. weekdays starting Tuesday through Dec. 29 during inspection.

West Carson Street, West End -- Short-term closures eastbound near the West End Bridge from 9 a.m. to 3 p.m. Monday through Friday during concrete barrier installation. Also, temporary traffic shifts on outbound Steuben Street as needed from 9 a.m. to 3 p.m. Tuesday through Thursday to allow access for drilling equipment.

Armstrong County

Route 422, East Franklin -- Long-term lane closures planned through September during rehabilitation of two bridges over Route 28.

Butler County

Hartmann Road/Harmony Junction Bridge, Jackson -- Closed for reconstruction expected to continue until June. Detour via Routes 68 and 19 and Little Creek and Seneca School roads.

Indiana County

Smicksburg Bridge, Smicksburg and West Mahoning -- Replacement project reduces Route 954 to one-way alternating traffic until May.

Washington County

Charleroi-Monessen Bridge -- Closed after inspection revealed structural deficiencies.

Donora-Webster Bridge -- Closed until further notice.

Westmoreland County

Route 22, New Alexandria -- Traffic switched to westbound side with one lane open in each direction in work zones from Carter Road to Indiana County line.

Route 30, Hempfield/North Huntingdon -- Restricted to one lane in each direction between Arona Road and West Penn Drive/Possum Hollow Road during nighttime work.

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