The Pennsylvania Turnpike Commission advises motorists traveling on the Northeastern Extension (I-476) to be prepared for daytime single-lane patterns and two-way traffic in the southbound Lehigh Tunnel from 8 a.m. to 2 p.m. Tuesday and Wednesday for tunnel maintenance.

Each day at 8 a.m., the northbound tunnel will be closed and traffic diverted into the southbound tunnel until 2 p.m. The Lehigh Tunnel is located at milepost A70-A71 between the Lehigh Valley (Exit 56) and Mahoning Valley (Exit 74) interchanges.Message boards will be activated to update motorists of any changes to the schedule caused by inclement weather or unforeseen traffic conditions. If the work is delayed, it will take place on the next available day. Tunnel maintenance may also be scheduled for the following week if needed.Travel advisories will be posted at

www.paturnpike.com and Highway Advisory Radio (1640 AM) will be activated to provide travel updates.