The Pennsylvania Turnpike advises motorists traveling on the Northeastern Extension of Interstate 476 there will be single-lane patterns and two-way traffic in the Lehigh Tunnel from 8 p.m. to 6 a.m. Sunday through Thursday. The restrictions are necessary to safely allow for tunnel inspection and water line maintenance.

Turnpike maintenance crews will stop traffic for no more than 15 minutes at a time in both directions to set up a crossover pattern. All traffic will be directed into the southbound tunnel, before the start of work each day.The Lehigh Tunnel is located at milepost A70-A71 between the Lehigh Valley, Exit 56, and Mahoning Valley, Exit 74, interchanges.