SPECIAL NOTES

Trolley Museum -- "Celebrate Transit History" is the theme of a special event 10 a.m.-5 p.m. Friday, Saturday and next Sunday at the Pennsylvania Trolley Museum near Meadowlands. The group has tied the event to Pittsburgh's 250th anniversary and to mark completion of track to the new Trolley Display Building and completion of 1917 Pittsburgh Railways Streetcar No. 4398. Information at www.pa-trolley.org.

PENNSYLVANIA TURNPIKE

Fayette County -- Officials broke ground Thursday to start Phase 2 of Mon-Fayette Expressway, consisting of 8 miles through parts of Redstone, Luzerne and Centerville to Route 40. The $455 million project is to be done in late 2011 or early 2012, a schedule determined by construction of 3,000-foot-long, 160-foot-high bridge over Mon River near Brownsville.

INTERSTATES

I-70, Washington County -- Resurfacing 8 p.m.-8 a.m. weekdays on 2 miles between the I-79 North and South Junctions.

I-79, Allegheny County -- Traffic being maintained in both directions on the northbound lanes over the 6.6-mile reconstruction zone between the Ohio River and I-279 Junction, Franklin Park. An "express lane" has been established for southbound traffic.

STATE HIGHWAYS

Business Route 22, Monroeville/Wilkins -- A $7.7 million repair and repaving project under way. Because of heavy traffic, the most disruptive work will be done between 8 p.m. and 6 a.m. weekdays.

Route 22, Washington County -- Lane closures between West Virginia line and Hanlin Station Road for $4.3 million resurfacing project.

Route 22, Westmoreland County -- Separate widening projects east of Murrysville and east of New Alexandria mean lane closures and other disruptions for 2008 construction season.

Route 28, Allegheny Valley -- Northbound single lane closures, Harmar to Creighton. Southbound closures 9 a.m.-5:30 p.m. from Pittsburgh Mills to Route 910/Harmar. Traffic may be stopped for brief period this week for more blasting, weather permitting, for hillside stabilization work in Harmar. TV surveillance camera view of rockfall area on the web at www.sr28a44project.com.

Route 65, Pittsburgh -- Single line closures in both directions 9 a.m.-3 p.m. weekdays through mid-June on Ohio River Boulevard while crews repair small bridge between Termon and Millerton avenues on the North Side.

OTHER ROADS

Boulevard of the Allies, Oakland -- Closed outbound east of the Parkway East entrance. Forbes Avenue reduced to a single lane. Priority will be given to traffic exiting the parkway; a stop sign will be posted for drivers coming up Forbes.

South Main Street, West End -- Block-long stretch that's also Route 60 closed for roadway relocation and to build new bridge to Steuben Street. Posted detours use Alexander and Dumas streets. Work is part of the $52.6 million West End Circle improvement.

Stanwix Street, Downtown -- Closed between Fort Duquesne Boulevard and Penn Avenue for excavation associated with extending the light-rail system to the North Shore.

MAJOR BRIDGES

Birmingham Bridge -- One lane maintained in both directions, on the southbound side. Northbound side closed while rocker bearings are replaced.

LOCAL RESOURCES

Port Authority: 412-442-2000 or www.portauthority.org. PennDOT: 1-800-FIX-ROAD or www.dot.state.pa.us/district11 for Allegheny, Beaver, Lawrence counties, www.dot.state.pa.us for all other counties. Pennsylvania Turnpike: www.paturnpike.com. City Parking: www.pittsburghparking.com. Biking: www.bike-pgh.org or www.pedalpittsburgh.org. Airport: www.flypittsburgh.com. Ride-sharing: www.commuteinfo.com. Visiting? www.post-gazette.com. PennDOT's local hotline: 412-429-6035.