There will be traffic restrictions this week during maintenance by state Department of Transportation crews on these Beaver County roads:

• Frankfort Road, Hanover -- Shoulder upgrade between Route 30 and Martin Road.

• Route 18, New Brighton -- Crack sealing between New Brighton and Rochester.

• Route 51, Chippewa and Darlington -- Shoulder cutting between the Ohio border and McKinley Road.

• Route 65, Rochester and Freedom -- Crack sealing between New Brighton and Conway.

• Cannelton Road, Darlington -- Patching between Routes 51 and 251.

Crews also will be patching state routes in North Sewickley, New Sewickley, Economy and Freedom.

Community Health Challenge of Southwestern Pennsylvania will offer a free, eight-session SmokeStoppers program starting Tuesday to help people who want to stop using tobacco.

Participants will help one another gain the strength and reinforcement they need to quit. The program will begin with introductory sessions at 4 p.m. in Laughlin Memorial Library, 11th and Maplewood avenues, Ambridge, and at 6 p.m. in the YMCA of Beaver County in New Brighton.

Remaining sessions will be May 19, 20, 21, 22, 27, 29 and June 3 at the same locations and times.

For information on the SmokeStoppers program, call Community Health Challenge, 724-283-9955.

Airport area residents should prepare for loud aircraft noises and plenty of traffic this weekend during the eighth Wings Over Pittsburgh air show hosted by the 911th Airlift Wing, Air Force Reserve in Moon.

The free show, which will be open from 9 a.m. to 5 p.m. Saturday and Sunday, will commemorate the 60th anniversary of the Air Force Reserve Command, honor the 60th anniversary of the Berlin Airlift and celebrate the 250th anniversary of Pittsburgh.

Also, there will be a salute to mothers on Mother's Day.

This year's premier performer will be Canadian Forces Snowbirds who will be making their first appearance in the show. They are the only jet team in North America to perform with nine jets flying in close formation.

And, there will be a demonstration by the F-22 Raptor, the Air Force's newest fighter aircraft, and two of the three major military jump teams will perform.

The gates will close at 3 o'clock both days. Coolers and bags, except diaper and camera bags, are prohibited. Strollers, wagons and folding chairs are permitted.

For information or a list of performers, visit wingsoverpittsburgh.com. or call 412-474-8501.