A single lane traffic restriction will be in effect on Interstate 79 over North Boundary Road starting Tuesday according to the Pennsylvania Department of Transportation.

The lane restriction will impact I-79 southbound from 10 a.m. to 6 p.m., and northbound from 6 a.m. to 3 p.m. through Aug. 12 at 6 p.m.

During this time, Golden Triangle Construction Company Inc., of Imperial, Pa, will be working to upgrade the guide rail and do shoulder work between mile markers 81.4 and 80.5.

Restrictions are weather dependent and may change. Motorists who travel on this section of Interstate 79 should expected travel delays during this time.

The overall cost of the project is $14.6 million.